Pyridoxine hydrochloride, EP, USP grade CAS 58-56-0

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CAS: 58-56-0

MF: C₈H₁₁NO₃ · HCl

MW: 205.64

Product Categories	Biochemicals, Vitamins, Cosmetic Raw Materials
CAS RN	58-56-0
Alternative CAS RN	65-23-6 (free base)
EC Number	200-386-2
MDL Number	MFCD00012807
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	2936250000

Physical Description	White to almost white crystalline powder
Identification	Accoridng to EP, USP
Solubility (5% in water)	Clear, colourless solution
pH (5% in water)	2.4 - 3.0
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20ppm
Lead (Pb)	≤ 2ppm
Mercury (Hg)	≤ 1ppm
Cadmium (Cd)	≤ 1ppm
Arsenic (As)	≤ 2ppm
Related Substances	5-(hydroxymethyl)-2,4-dimethylpyridin- 3-ol: ≤ 0.15%
	Unspecified Impurity: ≤ 0.10%
	Total: ≤ 0.2%
Melting Point	≥ 200.0°C (decomposition)
Chloride (Cl)	16.9 - 17.6 %
Assay (HPLC)	98.0 - 102.0 % (dried basis)
Assay (non-aqueous titration)	99.0 - 101.0 % (dried basis)
Pharmacopoeia Specification(s)	EP, USP
Specification Version	1.2