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Vitamin B12 (cobalamin)

Brand: Solarbio
CAS No.: 68-19-9
SKU: 1g
Product Code: V8040
Availability: Pre-Order
RM289.00 Ex Tax: RM289.00

Dark red crystalline powder. No odor, no taste, sensitive to light. It is hygroscopic and absorbs 12% of water in the air. Its hydrous crystals are stable in air. When the temperature is 210 to 220 ° C, the color becomes dark, and 300 ° C does not melt. The aqueous solution is neutral and most stable at pH 4.5 to 5. 1 g is dissolved in about 80 ml of water, soluble in ethanol, and insoluble in acetone, chloroform and diethyl ether. Specific optical rotation -59 ° ± 9 ° (deep aqueous solution). Maximum absorption wavelength (in water) 278, 361, 550 nm (A1% 1 cm 115, 204, 64). Minimum lethal dose (rat, abdominal cavity) 1364mg/kg.
 

Properties
Molecular Weight 1355.37
Physical Description Dark red crystal or crystalline powder
Purity 98%
Storage Condition 2-8 ° C
Molecular Formula C63H88CoN14O14P

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