Biotin,China hezhong price supplier

,D-Biotin,Vitamin H 

PRODUCT NAME: BIOTIN, D-BIOTIN, VITAMIN H 

CAS NO : 58-85-5 

EINECS NO: 200-399-3 

MOLECULAR FORMULA： C10H16N2O3S 

MOLECULAR WEIGHT： 244.31 

PACKING： 

IN ALUMINIUM TINS OF 5KG EACH; 

IN DRUMS OF 10KG EACH; 

IN DRUMS OF 20KG EACH 

CHARACTERS: 

A WHITE OR ALMOST WHITE, CRYSTALLINE POWDER OR COLOURLESS CRYSTALS, VERY SLIGHTLY SOLUBLE IN WATER AND IN ALCOHOL, PRACTICALY INSOLUBLE IN ACETONE. IT DISSOLVES IN DILUTE SOLUTIONS OF ALKALI HYDROXIDES. 

CHARACTERS A WHITE CRYSTALLINE POWDER 

OR COLOURLESS CRYSTALS 

IDENTIFICATION A: IR 

B: HPLC 

C: COLOR REACTION 

APPEARANCE OF SOLUTION CLEAR AND COLOURLESS 

SPECIFIC OPTICAL ROTATION +89°- +93° 

RELATED SUBSTANCES MEETS THE REQUIREMENTS 

HEAVY METALS ≤10PPM 

LOSS ON DRYING ≤1.0% 

SULFATED ASH ≤0.1% 

ASSAY 98.5% - 101.0% 

STORAGE STORE PROTECTED FROM LIGHT