We believe in: Innovation is our soul and spirit. High-quality is our life. Purchaser need is our God for Discount Price Supply Food Grade CAS 58-85-5 Vitamin B7/D Biotin/D-Biotin, We often concertrating on creating new creative solution to meet request from our customers everywhere in the planet. Sign up for us and let's make driving safer and funnier with each other! We believe in: Innovation is our soul and spirit. High-quality is our life. Purchaser need is our God for China Vitamin B7 and Vitamin B7 Powder, We have now been perfectly devoted to the design, R&D, manufacture, sale and service of hair goods during 10 years of development. We've introduced and are making full use of internationally advanced technology and equipment, with advantages of skilled workers. "Dedicated to providing reliable customer service" is our aim. We have been sincerely looking forward to establishing business relationships with friends from at home and abroad. Biotin also named as D-Biotin,Vitamin H,Vitamin B7,it is white or almost white,crystaline powder or colourless crystals,very slightly soluble in water,alcohol,practicaly insoluble in acetone.It dissolves in dilute solutions of Alkali Hydroxides. Key Technical Parameters Appearance White or off-white powder Identifications (A,B,C) Conforms to USP Assay 97.5%~100.5% Impurities Individual Impurity:not more than 1.0%Total Impurities:not more than 2.0% Specific Rotation +89°~+93° Residue solvents Meet USP and ICH Q3 requirements Melting Range 229℃~233℃ Loss on Drying Not more than 0.5% Bulk Density ~0.35g/cm3 Sulfate Ash Not more than 0.1% Heavy Metals In line with USA legislationPb:Not more than 0.5ppmAs:Not more than 1ppmCd:Not more than 1ppmHg:Not more than 0.1 ppm Dioxin WHO-PCDD/F-TEQ/KG productNot more than 0.75ng/kg Microbials Tests In line with China legislationTotal plate count:NMT 1000cfu/gYeast and mold:NMT 100cfu/gSalmonella:NegativeE.Coli:NegativeS.Aureus:NegativeTotal Coli:NMT 50cfu/g Solubility Very slightly soluble in water Applications: Biotin is used primarily in the formulation of hair conditioners, grooming aids, shampoos and moisturizing agents.Biotin improves hair and skin quality.