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EINECS 200-399-3
CAS No. 58-85-5 Density 1.267 g/cm3
Solubility Melting Point 231-233 °C(lit.)
Formula C10H16N2O3S Boiling Point 573.6 °C at 760 mmHg
Molecular Weight 244.31 Flash Point 300.7 °C
Transport Information Appearance white powder
Safety 24/25 Risk Codes
Molecular Structure Molecular Structure of 58-85-5 (D-Biotin) Hazard Symbols

1H-Thieno[3,4-d]imidazole-4-pentanoicacid, hexahydro-2-oxo-, (3aS,4S,6aR)-;1H-Thieno[3,4-d]imidazole-4-pentanoicacid, hexahydro-2-oxo-, [3aS-(3aa,4b,6aa)]-;Biotin (8CI);(+)-Biotin;(+)-cis-Hexahydro-2-oxo-1H-thieno[3,4]imidazole-4-valeric acid;Biodermatin;Bios II;Coenzyme R;D(+)-Biotin;Factor S;Factor S (vitamin);Lutavit H2;Meribin;NSC 63865;Rovimix H 2;Vitamin B7;Vitamin H;cis-(+)-Tetrahydro-2-oxothieno[3,4]imidazoline-4-valeric acid;Biotin;


D-Biotin Consensus Reports

Reported in EPA TSCA Inventory.

D-Biotin Specification

1. Introduction of D-Biotin

D-Biotin, with the IUPAC Name of 5-[(3aR,6S,6aS)-2-Oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-6-yl]pentanoic acid, is one kind of white powder. And this chemical belongs to the Product Category which include cyclic compounds; Miscellaneous Natural Products; Vitamins; Nutritional Supplements; Vitamins and derivatives; Biotin Derivatives; Intermediates & Fine Chemicals; Vitamin Ingredients.

In addition, D-Biotin could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials, light. And also prevent it to broken down into hazardous decomposition products: nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, nitrogen.

2. Properties of D-Biotin

D-Biotin has the following datas: (1)Melting point: 231-233 °C; (2)Index of Refraction: 1.544; (3)Density: 1.267 g/cm3; (4)Flash Point: 300.7 °C; (5)Enthalpy of Vaporization: 93.93 kJ/mol; (6)Boiling Point: 573.6 °C at 760 mmHg; (7)Vapour Pressure: 1.19E-14 mmHg at 25 °C.

3. Structure Descriptors of D-Biotin

You could convert the following datas into the molecular structure:
InChI: InChI=1S/C10H16N2O3S/c13-8(14)4-2-1-3-7-9-6(5-16-7)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9-/m0/s1 
Smiles: N1[C@@H]2[C@@H](NC1=O)CS[C@@H]2CCCCC(O)=O

4. Safety Information of D-Biotin

An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx and SOx.
Hazard Codes: HarmfulXn
Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26 
S24/25:Avoid contact with skin and eyes. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.

When on the skin: should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. There is no specific treatment is necessary since this material is not likely to be hazardous by inhalation. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately.

5. Use and Preparation of D-Biotin

D-Biotin is nutritional supplement, and is used for animal nutrition in premixes, compound feeds, milk replacers and liquid diets.

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