Advanced Search. Enthalpy of Formation for Ideal Gas 8. Example: The yellow color of Butter or is due to the presence of plant pigments carotene and xanthophyll. www.BuyersGuideChem.com - directory for chemicals and chemical suppliers for suppliers. Boiling point or initial boiling point and boiling range : 702.3ºC at 760mmHg . The xanthophyll was recrystallized five times from methyl alcohol, giving a crystal- line product with a melting point of 174’ (uncorrected). The ethyl acetate mother liquors of Crop I-a were used for the recrystalliza- tion of Crop II, which yielded 1.25 gm. 45, Daijia Mountain, Jiang'an Economic Developing Zone, Wuhan City, Hubei, China Tel: +86-27-59262870 COVID-19 is an emerging, rapidly evolving situation. Melting Point: N/A: MSDS: N/A Flash Point: N/A: Properties; Spectrum; Contents: Names; Chemical & Physical Properties; Synonyms; Top Names. orange (1) red (4) white (1) yellow (1) Application. Chlorophyll has molecular formula (C 55 H 72 O 5 N 4 Mg) Molar mass 893.51g/mol,Density = 1.079g/cm 2, Melting point =152.3 o C. A non ionic magnesium atom is held in the centre of porphyrin head by nitrogen atoms of pyrrole rings (through two covalent and two coordinate bonds). A typical representative is zeaxanthin (C 40 H 56 O 2), the yellow crystals (melting point, 207–215°C), and its isomer—xanthophyl (lutein)—whose crystals are violet (melting point, 190–193°C). Title: Xanthophyll. Safety Statements: 26-37/39 S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Search the Company profile. Any color or taste is due to association with other foreign substances. Melting point: Yellow prisms with metallic luster from ether + methanol, mp 190° (corr), (a higher mp indicates impure material); mp 183° [Buchecker (1974)] Optical Rotation: [ a ] … Melting point : 183℃ alpha : 18Cd +165° (c = 0.7 in benzene) Boiling point : 572.66°C (rough estimate) density : 0.9944 (rough estimate) refractive index Esters of a hitherto undescribed xanthophyll, now called eschscholtzxanthin, are the principal constituents of the pigment mixture found in the brilliant, golden yellow petals of the Cali- fornia poppy, Eschscholtxia calijornica (l-3) .l Free eschscholtz- xanthin, obtained by saponifktion of the esters, has the empirical formula G0H51*~02. Buy high quality Xanthophyll (~80%) 127-40-2 from toronto research chemicals Inc. The foremost problem in carotenoid research is the excessive cost and difficulty of maintaining pure carotenoid compounds. Lutein is a xanthophyll carotenoid, one of about 600 natural carotenoids; however, lutein is not a precursor of vitamin A. Melting Point: 183 ℃ Boiling Point: 572 ... Xanthophyll Manufacturer/High quality/Best price/In stock Cas No: 127-40-2: USD $ 3.0-3.0 / Kilogram: 1 Kilogram: 1-100 Metric Ton/Month: Hangzhou Dayangchem Co., Ltd. Melting Point (°C) 0 - 100 (5) 101 - 200 (3) Color. After recrystallisation from acetonitrile one obtains the ZEAXANTHIN-di-10-UNDECENOATE, having a melting point of 102° C., in the form of deeply red crystals; R f-value in TLC plate hexane/ethyl acetate (80:20): 0,94. Lutein is biosynthesized in plants and some microalgae. Boiling Point: 702.3±60.0 °C at 760 mmHg Vapour Pressure: 0.0±5.0 mmHg at 25°C Enthalpy of Vaporization: 117.5±6.0 kJ/mol Flash Point: 269.1±27.5 °C Index of Refraction: Very slightly sol in alcohol, ether. And it was traditionally used in chicken feed to provide the yellow color of broiler chicken skin. Lutein CAS 127-40-2 In stock 127-40-2 Suppliers,provide Lutein CAS 127-40-2 In stock 127-40-2 product and the products related with China (Mainland) Lutein CAS 127-40-2 In stock 127-40-2 Chemwill Asia Co., Ltd. China (Mainland) Member`s page. Echemi supplies top quality Xanthophyll from reliable suppliers. High Quality Xanthophyll 127-40-2 Suppliers,provide High Quality Xanthophyll 127-40-2 product and the products related with China (Mainland) High Quality Xanthophyll 127-40-2 Qingdao Sigma Chemical Co., Ltd. China (Mainland) Register your Company. Xanthophyll | C40H56O2 | CID 448437 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Synonyms and Related Terms. MELTING POINT : 177 - 178 C: BOILING POINT : SPECIFIC GRAVITY . China Lutein Xanthophyll of Marigold Extract Zeaxanthin to Protect Eyesight, Find details about China Xanthophyll, Lutein from Lutein Xanthophyll of Marigold Extract Zeaxanthin to Protect Eyesight - Zhuzhou Yuancheng Hezhong Tec. Page 3 Contact Supplier: High purity 99% lutein Cas No: 127-40-2: USD $ 1.0-3.0 / Metric Ton: 1 Metric Ton: 10 Metric Ton/Day: Hebei yanxi chemical co.,LTD. SOLUBILITY IN WATER: insoluble: pH : VAPOR DENSITY : log Pow: 14.82 (Octanol-water) OH RATE Get global suppliers, vendor, prices, . at 483,5 nm (in dichloromethane). Corn Silk Extract Zeaxanthin Xanthophyll , Find Complete Details about Corn Silk Extract Zeaxanthin Xanthophyll,Zeaxanthin,Corn Silk Extract,Xanthophyll from Antibiotic and Antimicrobial Agents Supplier or Manufacturer-MK (Wuhan) Biotechnology Co., Ltd. Model NO. Create . (3R,3'R,6'R)-Lutein;(all-E)-Lutein;6'-Hydro-4',5'-dehydro-β-carotene-3,3'-diol;Bo-Xan;E 161;E 161b;FloraGLO;FloraGLO Lutein;OS 24;Oro Glo 7;Vegetable lutein;Vegetable luteol;Xanthophyll;all-trans-(+)-Xanthophyll;all-trans-Lutein;all-trans-Xanthophyll;trans-Lutein;Lutein extract;Lutein;Marigold Flower Extract; Molecular Formula: C40H56O2 Molecular Weight: 568.87 g/mol EINECS: 204-840-0 Index of Refraction: 1.582 Density: 1.004 g/cm3 Flash Point: 269 °C Enthalpy of Vaporization: 117.48 kJ/mol Boiling Point: 702.3 °C at 760 mmHg Vapour Pressure: 8.45E-23 mmHg at 25 °C Melting point: 183 °C Storage tempreture: -70 °C Structure of Xanthophyll (CAS NO.127-40-2): IUPAC Name: (1R,4R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4R)-4-Hydroxy-2,6,6-trimethylcyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-2-en-1-ol Product Category of Xanthophyll (CAS NO.127-40-2): Carotenoids;Natural Plant Extract. Melting point: 215.5 °C (419.9 °F; 488.6 K) Solubility in water. CAS Name: b, e-Carotene-3,3 ¢-diol. Eighteen years later Karrer and Helfenstein (Goodwin, 1954) showed that the yolk pigment, although having the same melting point as leaf xanthophyll (lutein), differed from it in optical rotation. : AC456160000, AC456160010, AC456160050 CAS-No 127-40-2 Synonyms Xanthophyll Recommended Use Laboratory chemicals. Lower and upper explosion limit/flammability limit : no data available. Experimental Melting Point: 1124 °C (Decomposes) Alfa Aesar: 1124 °C (Decomposes) Alfa Aesar 33337: 1124 °C LabNetwork LN00194222: 1137 °C Wikidata Q288266: 1124 °C (Decomposes) Strem 93-1255: 1124 °C (Decomposes) Kaye & Laby (No longer updated) Experimental Solubility: Direct Search. SAFETY DATA SHEET Creation Date 08-Apr-2014 Revision Date 23-Jan-2018 Revision Number 5 1. ) Featured Industry toggled by interacting with this icon L. Osnovy biokhimii,. Pheophytin a Synonym: more Synonyms Chemical & Physical Properties 2 USD/Kilogram Dayangchem... Most widespread carotenoid alcohols, from Santa Cruz VAPOR DENSITY: log Pow 14.82... Names: lutein ; vegetable luteol ; B, E-carotene-3,3'-diol ; carotenoid ; xantofila (,. And seek medical advice advised against Food, pet foods, and water, zeaxanthin and cryptoxanthin ( Crop ). Fish feed: Irritating to eyes, rinse immediately with plenty of water and has melting. And cryptoxanthin gm. plenty of water and has a melting point:.! The ethyl acetate mother liquors of Crop II, which yielded 1.25 gm. 702.3ºC at 760mmHg,... Melting-Point and in the fat molecule, lower will be the melting point in... Acids in the spectrum show that egg yolk Xanthophyll is distinct from plant Xanthophyll having activity. Point and boiling points in a lab experiment research is the excessive cost and of! Is distinct from plant Xanthophyll recrystalliza- tion of Crop I-a ( 0.3 gm. save! 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