Impurities lower and broaden the melting point range of a sample. Conclusion: The Diels-Alder adduct was prepared through a Diels-Alder reaction, using … Go To: Top, References, Notes Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved. The melting point of the crude product was 261 - 264°C. Print to PDF. ChemSynthesis Chemical database. This list contains the 118 elements of chemistry. Errors: There are several errors/potential errors inherent in the … Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein Note: Please consider using thereaction search for this species. As heat is applied to a solid, its temperature will increase until the melting point is reached. Anthracene-maleic anhydride diels-alder adduct (5443-16-3), Wholesale Various High Quality Anthracene-maleic anhydride diels-alder adduct (5443-16-3) Products from Global Sodium Tripolyphosphate Suppliers and Anthracene-maleic anhydride diels-alder adduct (5443 … Molecular weight … CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite™, Compounds with the same molecular formula, Search Google for structures with same skeleton. melting point (about 1-2oC per minute) to ensure that the rate of temperature increase is not faster than the ability of the heat to be transferred to the sample being observed. Density: C18H12O3; Flash Point: 276.07900; Superiority. Measure the melting point of your sample, and run IR, 1H NMR, and/or 13C NMR spectra, as re-quired by your professor. Molecular Formula: C 18 H 12 O 3; Molecular Weight: 276.291 g/mol; Cas Number: n/a; EINECS Number: n/a; MDL Number: n/a; InChIKey: … We do not carry all of these metals, but provide them as reference information. 3. click on any element's name for further chemical properties, environmental data or health effects.. At last,Nsc13695(5443 … From the recrystallization, the ethyl acetate should be put into the liquid organic hazardous waste, and the filtered solid impurities should go in the solid hazardous waste. 3,4-dihydro-2H-tetracene-1,6,11-trione - C18H12O3, synthesis, structure, density, melting point, boiling point. You can also browse global suppliers,vendor,prices,Price,manufacturers of Nsc13695(5443-16-3). clear (1) colorless (1) white (15) yellow (1) Feature. The percent recovery from recrystallization was 54.21%. CopyCopied, InChI=1S/C18H12O3/c1-9-4-3-5-12-11(9)6-7-13-15(12)17(20)16(19)14-10(2)8-21-18(13)14/h3-8H,1-2H3 Anthracene-maleic anhydride diels-alder adduct contains total 37 bond(s); 25 non-H bond(s), 14 multiple bond(s), 2 double bond(s), 12 aromatic bond(s), 1 five-membered ring(s), 5 six-membered ring(s), 2 nine-membered ring(s), 4 ten-membered ring(s), 2 ester(s) (aliphatic) and 1 anhydride(s) (-thio). c . ChemicalBook provide Chemical industry users with Nsc13695 Boiling point Melting point,Nsc13695 Density MSDS Formula Use,If You also need to Nsc13695 Other information,welcome to contact us. Melting Point (°C) less than 0 (2) 0 - 100 (42) 101 - 200 (23) 201 - 300 (7) 301 - 400 (2) 601 - 700 (1) 1001+ (3) Color. 1,6-Dimethylphenanthro[1,2-b]furan-10,11-dione, Cc1cccc2c1ccc-3c2C(=O)C(=O)c4c3occ4C Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. Chemical elements listed by melting point The elements of the periodic table sorted by melting point. At the melting point it is necessary that the thermometer bulb and the sample in the capillary tube be at thermal equilibrium. Retention Index (Kovats): 1164 (estimated with error: 174) NIST Spectra mainlib_215618: Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module. C18H12O3: Exact Mass: 276.078644 g/mol: Transmission Infrared (IR) Spectrum. It was also low due to several of the crystals being stuck inside the flask and not going into the funnel. We observed a marked difference for 3c (180°C instead of 168°C). Density: 1.1±0.1 g/cm 3: Boiling Point: … The melting point of the crude compound had a broader range of 3C and was a little bit lower due to impurities in the product. Record the weight of the product and calculate the percent yield for the reaction. Clean-Up The nonhazardous CaCl 2 drying agent can go in the regular trash can. Anthracene-maleic anhydride diels-alder adduct contains total 33 atom(s); 12 Hydrogen atom(s), 18 Carbon atom(s) and 3 Oxygen atom(s). The melting point (or, rarely, liquefaction point) of a solid is the temperature at which a sustance changes state from solid to liquid at atmospheric pressure. a . 4 Organic Chemistry with Vernier DATA TABLE Part I Synthesis of 9,10-dihydroanthracene-9,10-α,β-succinic anhydride Mass of anthracene (g) Mass … Premium Essay Synthesis of 9,10-Dihydroanthracene-9,10-Endo-Α, Β – Succinic Anhydride ...Date: 5/11/2014 Partners: Shefali Seecharran Pride Ade-Thomas Claude Fraser Title: Synthesis of 9,10-Dihydroanthracene … What is the melting point of various metals? 17-Oxapentacyclo[6.6.5.02,7.09,14.015,19]nonadeca-2,4,6,9,11,13-hexaene-16,18-dione C18H12O3 structure Molecular Formula C18H12O3 Average mass 276.286 Da Density 1.4±0.1 g/cm3 Boiling Point 492.7±45.0 °C at 760 mmHg Flash Point 249.0±25.9 °C Molar This page allows searchingof all reactions involving this species. c1ccc2c(c1)cccc2C(=O)c3ccccc3C(=O)O The percent yield was calculated to be 63.7%, which could have been due to contamination or loss of the product throughout the experiment. Reliable estimation based on QSPR and Artificial Neural Network enables you to predict any molecules immediately. Carbon: Value given for diamond form. We also have a Melting Points video explaining melting ranges for various metals. Melting Points of Polymers in Celsius. As it is not exactly the same, we can infer that the sample we have purified is not 100% pure but contains impurities within it that have lowered the melting point. . In a pure crystalline solid, this process occurs at a fixed temperature called the melting point; an impure solid generally melts over a range of temperatures below the melting point of the principal component. Melting point, temperature at which the solid and liquid forms of a pure substance can exist in equilibrium. *Melting Point Notes: 1. above 250 deg C, measure the m.pt. The way in which the sample is prepared and the instrument is programmed have the greatest influence on the accuracy and Mol-Instincts free on-line real time chemical property calculator can predict immediately the physicochemical properties of any compounds just with one click. The melting point literature value of the Diels-Alder adduct is 262-64 ºC 2; the melting point obtained through the experiment was 260-62 ºC. The full spectrum can only be viewed using a FREE account. Tanshinone Iia (CAS No: 568-72-9) Manufacturer Supply Chinese Dan-Shen Extract, Find details about China Tanshinone I, Tanshinone Iia from Tanshinone Iia (CAS No: 568-72-9) Manufacturer Supply Chinese Dan-Shen Extract - Xi′an Qingshuo Import and Export Trade Co., Ltd. Molecular formula of 9,10–dihydroanthracene-9,10–endo-α,β-succinic anhydride = ‎C 18 H 12 O 3. To demonstrate the effect of impurities on the melting point of a pure substance, determine the melting point range of a 50-50 mixture by weight (use about 50 mg of each compound) of urea and cinnamic acid. Visit ChemicalBook To find more Nsc13695(5443-16-3) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Buy Tanshinone I (CAS 568-73-0), a biochemical that displays cytotoxicity against IFN-g production in KLH-primed lymph node cells, from Santa Cruz. The melting point of the recrystallized product was 261 - 263°C. Question: Diels-Alder Reaction Are You Completing This Experiment Online? ChemBK Provides Chemical Properties, Molecular Formula, Melting Point, Boling Point, Solubility and MSDS, Hazard and Safety Information on PC, Pad and Phone. Anthracene-maleic anhydride diels-alder adduct 5443-16-3 Suppliers,provide Anthracene-maleic anhydride diels-alder adduct 5443-16-3 product and the products related with China (Mainland) Anthracene-maleic anhydride diels-alder adduct 5443-16-3 Career Henan Chemical Co China (Mainland) Quantity Value Units Method Reference Comment; Δ f H° solid-418.2 ± 6.4: kJ/mol: Ccb: Kar, Lenz, et al., 1992 : Quantity Value Units Method Reference Comment; Δ c H° solid-8380.0 ± 5.9 The percent yield was calculated to be 63.7%, which could have been due to contamination or loss of the product throughout the experiment. We have the melting temperatures in Fahrenheit and Celsius for most common metals listed here. ... C18H12O3: Molecular weight: 276.291: Accurate Mass: 276.078645: Percentage Composition: C 78.25%; H 4.38%; O 17.37%: Physical Description: Brown-red needles (C6H6/petrol) Biological Source: Pigment from the roots of several Salvia spp. • C14H10 + C4H2O3 → C18H12O3 Theoretical yield: 3) Take the amount of maleic anhydride, convert it to mg and divide it by the molecular weight • 0.2g x 1000 = 200mg • 200mg ÷ 98.06g/mol = 2.04m/mol 4) Take the value found in step 1 and multiply it by the molecular weight of the product • 2.04m/mol x 276g/mol = 563mg theoretical yield Potential side products: • No … The melting point is a physical property of a solid and can be used to help identify a substance. Anthracene-maleic anhydride diels-alder adduct (5443-16-3), Wholesale Various High Quality Anthracene-maleic anhydride diels-alder adduct (5443-16-3) Products from Global Sodium Tripolyphosphate Suppliers and Anthracene-maleic anhydride diels-alder adduct (5443-16-3) Factory,Importer,Exporter at Okchem.com. Polymer Name: T m 1 (°C): Poly(acrylonitrile), syndiotactic: 321: Poly(6-aminocaproic acid) A general 2. The melting point of a substance depends on pressure and is … b . If time permits do a TLC of the product along with the starting materials. The tables and figures below show how the boiling point changes with increasing carbon number up to C 33 for different kinds of hydrocarbons, alcohols and carboxylic acids. SpectraBase Spectrum ID: BrxNcecaJ5o : SpectraBase Batch ID: D3XAJncNFne: Name: 9,10-DIHYDRO-9,10-ETHANOANTHRACENE-11,12-DICARBOXYLIC ANHYDRIDE: Source … should be completely dried before taking a melting temperature. Molbase Encyclopedia provides cis-9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboxylic acid anhydride (103515-22-6) basic information, physical and chemical properties, safety information, toxicity, customs data, synthetic routes, maps, MSDS, generation methods and uses, and its upstream and downstream products, find cis-9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboxylic acid … Berkelium: Value given for alpha form. The melting point of a compound is the temperature range at which a solid transforms into a liquid (the temperature at which the first drop of liquid appears until the temperature when all of solid is converted to the liquid). b c . a . The melting point of the recrystallized product was 261 263C compared to the literature value of 262 - 264C for dihydroanthracene-9,10-, -succinic anhydride. Experimental Melting Point: 245 °C TCI D2876: Predicted Physico-chemical Properties. Find more compounds similar to Anthracene-maleic anhydride diels-alder adduct.. Stockroom Favorite (20) Available on GSA Contract (1) Greener Alternative (6) Application. The measurement of certain physical properties such as melting point is often used to determine the identity or purity of a substance. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite™, Compounds with the same molecular formula, Search Google for structures with same skeleton. If your instructor confirms that the thermometer in the melting point apparatus can handle m.pts. The melting point of the recrystallized product was 261 - 263°C. Theoretical yield = mole of... Show More. Compound 9,10-DIHYDRO-9,10-ETHANOANTHRACENE-11,12-DICARBOXYLIC ANHYDRIDEwith free spectra: 1 FTIR. Instructor will elaborate. (15R,19S)-17-oxapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2,4,6,9,11,13-hexaene-16,18-dione | Real Time Predictor can calculate by using any chemical identifier or molecular structure on website and provide estimated physicochemical property data based on the reliable QSPR and ANN. The purity of benzoic acid depends on how large the range of the melting point is. The melting point of the crude product was 261 - 264°C. Similar Documents. At the melting point the solid and liquid phase exist in equilibrium. The melting point literature value of the Diels-Alder adduct is 262-64 ºC 2; the melting point obtained through the experiment was 260-62 ºC. Amorphous i.e. Melting Points Melting Points. 1 Product Result | Match Criteria: Product Name, Description 2-(1-naphthoyl)benzoic acid - cas 5018-87-1, synthesis, structure, density, melting point, boiling point CopyCopied, AIGAZQPHXLWMOJ-UHFFFAOYSA-N All products showed an infrared absorption band characteristic of a lactone and gave correct elemental analysis (C, H). Melting point/freezing point 229 °C Boiling point 498 °C Flash point 245.9 °C Liquid Density 1.3 g/cm3 Evaporation rate No information available Upper flammability limits No information available Lower flammability limit No information available Vapor pressure 0 mmHg Vapor density No information available Specific gravity No information available Water solubility No … Recrystallized product is obtained as colorless crystals, melting point 260-263 ͦ C, with yield of 4.1 g. Calculation: Here limiting reagent is anthracene; hence yield should be calculated from its amount taken. Learn more about Anthracene-maleic anhydride diels-alder adduct chemical structure … Sulfur: Value given for monoclinic, beta form. CopyCopied, OXCYAVHGYGKEJY-UHFFFAOYSA-N Comparing these values with the literature melting point of 262 - 264°C shows that the product was indeed 9, 10-dihydroanthracene-9, 10-α, β-succinic anhydride and that recrystallization yielded a purer product. The temperature at which a solid melts is known as the melting point (MP) of that substance. Title: … From the recrystallization, the ethyl acetate should be put into the liquid organic hazardous waste, and the filtered solid impurities The melting point of the product tells me that if the experimental melting point of the product is in range of the literate melting point then it pure anything from up to 4 C away from the range is considered a mild pure. To ensure the accuracy of this measurement, the measurement equipment needs to be regularly calibrated using accurate analytical standards with known properties. Home; CAS; CAS 50 ; ID CAS Name Molecular Formula Molecular Weight Melting Point Solubility; 1: 50-00-0: … Toggle Nav ChemBK. CAS Database; CAS 50 (中文) Search CAS 50 Chemicals CAS starts from 50. Learn more about Anthracene-maleic anhydride diels-alder adduct molecular weight at Mol-Instincts. Similar Compounds. Physical Properties : melting point 233ºC~ 234ºC, soluble in chloroform, acetone and other soluble organic solvents, water-soluble. View the Full Spectrum for FREE! This could be due to a different ratio of Z and E isomers. More heat then will convert the solid into a liquid with no temperature change. Benzoic acid's melting point range from 121 C- 125 C, meaning it have 4 potential melting ranges that could be identify as benzoic acid. ... C14H10 + C4H2O3→ C18H12O3. C6H12O6 definitely does NOT have the higher melting point. Predicted Melting Point: 245 °C TCI: 245 °C TCI D2876: Gas Chromatography. above 250 deg C, measure the m.pt. Melting Point and Freezing Point. 9,10(3',4')-Furanoanthracene-12,14-dione; 9,10-Dihydroanthraceno-9,10-endo-«alpha»,«beta»-succinic anhydride ; 9,10-Ethanoanthracene-11,12-dicarboxylic anhydride; Anthracene, 2,5-furandione adduct; Anthracene,maleic anhydride adduct; endo-9,10 … 2. 1. yields. Melting Point… Molecular formula of anthracene = C 18 H 10. n nucleophilic aromatic substitution, the. … At normal atmospheric pressure carbon does not melt when heated, it sublimes. Record the melting point ranges of urea and cinnamic acid in your notebook. Melting Point Determination Application Note #1 Introduction A few basic guidelines must be carefully followed to avoid errors during melting point determinations with OptiMelt. If your instructor confirms that the thermometer in the melting point apparatus can handle m.pts. Principle: The reaction of conjugated dienes with the ethylenic or acetylenic compound to form a six member cyclic product commonly known as “adduct” and Selenium: Value given for hexagonal, gray form. Upon examination of an infrared spectrum of the … View the Full Spectrum for FREE! C18H12O3 SMILES O=C1OC(=O)C2C1C1c3ccccc3C2c2cc ccc21 Molecular Weight 1 276.29 CAS 5443-16-3 Other Names. In practice, a solid usually melts over a range of … If the pressure is increased to 10 atmospheres carbon (graphite) is observed to melt at 3550 °C. Henan Coreychem co., LTD focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals trade.Product category including Intermediates&API,Catalyst and Electronic Chemicals.Covering 811 square meters R&D center,with 45 person R&D team,our synthesis … Clean-Up The nonhazardous CaCl 2 drying agent can go in the regular trash can. CopyCopied, CSID:71067, http://www.chemspider.com/Chemical-Structure.71067.html (accessed 13:03, Feb 26, 2021) Phosphorus: Value given for yellow phosphorus form. Boiling Point: 525.8±33.0 °C at 760 mmHg Vapour Pressure: 0.0±1.5 mmHg at 25°C Enthalpy of Vaporization: 84.2±3.0 kJ/mol Flash Point: 285.9±21.9 °C Index of Refraction: Melting point standard 182-184°C. Although it has hydrogen bonds and strong London forces (as it is a big molecule), SiO2 is what's called a Covalent Network Solid, where silicon and oxygen atoms are bonded to one another by covalent bonds. Measure the melting point of your sample, and run IR, 1H NMR, and/or 13C NMR spectra, as re-quired by your professor. 3,4-dihydro-2H-tetracene-1,6,11-trione. Simultaneously, determine the melting Melting Points. 3,4-dihydro-2H-tetracene-1,6,11-trione - C18H12O3, synthesis, structure, density, melting point, boiling point Description:Name: Phenanthro[1,2-b]furan-10,11-dione,1,6-dimethyl- Synonyms: TanshinonI;Tanshinone A; CAS Registry number: 568-73-0 Molecular Formula: C18H12O3 Boiling Point: 498 °C at 760 mmHg Flash Point: 245.9 °C Density: 1.324 g/cm3; Updatetime:Mar 26 2019 Melting, change of a solid into a liquid when heat is applied. Home; Text Search; Structure Search ; About; GO. Notes on the Melting Point of particular elements: Helium: Helium does not solidify at standard pressure. Boiling Point: 498.0±24.0 °C at 760 mmHg Vapour Pressure: 0.0±1.3 mmHg at 25°C Enthalpy of Vaporization: 76.6±3.0 kJ/mol Flash Point: 245.9±15.6 °C Index of Refraction: The melting point range of the purified substance (101C­103C)is however close to the theoretical melting point of completely pure acetanilide (114.3C). Pure, crystalline solids have a characteristic melting point, the temperature at which the solid melts to become a liquid.The transition between the solid and the liquid is so sharp for small samples of a pure substance that melting points can be measured to 0.1 o C. The melting point of solid oxygen, for example, is -218.4 o C. O O O a . C14H10 + C4H2O3 → C18H12O3 Based on the Number of moles calculated the limiting reagent is the Maleic Anhydride. The source is also providing more information like the publication year, authors and more. Henan Coreychem co., LTD focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals trade.Product category including Intermediates&API,Catalyst and Electronic Chemicals.Covering 811 square meters R&D center,with 45 person R&D team,our synthesis … Upon recrystallization of the product, the melting point range narrowed (range of only 2C … The melting point of the mixture of isomeric products (3a, 3b, 3h) were comparable to the melting point found in the literature. H NMR Spectra of the Diels -Alder Adduct from anthracene and maleic anhydride CopyCopied, InChI=1S/C18H12O3/c19-17(15-9-3-4-10-16(15)18(20)21)14-11-5-7-12-6-1-2-8-13(12)14/h1-11H,(H,20,21) 2-(1-naphthoyl)benzoic acid - cas 5018-87-1, synthesis, structure, density, melting point, boiling point CopyCopied, CSID:102863, http://www.chemspider.com/Chemical-Structure.102863.html (accessed 13:03, Feb 26, 2021) when heated, carbon undergoes a phase change directly from solid to gas. Density: C18H12O3; Flash Point: 276.07900; Superiority.
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