For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.

Parameter	Specification	Test Method
Identity
Product Name	Pyridoxine Hydrochloride (Vitamin B6) Powder	-
CAS No.	58-56-0	-
Molecular Formula	C₈H₁₁NO₃·HCl	-
Appearance	White or almost white, crystalline powder	Visual Inspection
Key Specifications
Assay (Purity)	98.0% - 101.0%	HPLC
Loss on Drying	≤ 0.5%	Gravimetric Method
Residue on Ignition	≤ 0.1%	USP General Method
Specific Rotation	+8.5° to +10.5°	Polarimetry
pH Value (10% solution)	2.4 - 3.0	Potentiometry
Related Substances	Total impurities ≤ 0.5%	HPLC
Safety & Quality
Heavy Metals
- Lead (Pb)	≤ 3.0 mg/kg	ICP-MS
- Arsenic (As)	≤ 2.0 mg/kg	ICP-MS
- Cadmium (Cd)	≤ 1.0 mg/kg	ICP-MS
- Mercury (Hg)	≤ 0.1 mg/kg	ICP-MS
Total Plate Count	≤ 1000 CFU/g	USP <61>
Yeast & Mold	≤ 100 CFU/g	USP <61>
E. Coli	Negative	USP <62>
Salmonella	Negative	USP <62>
Certifications	ISO 9001, GMP (Certificates available upon request)	Audit Certification

Note: The specifications above define our standard Pyridoxine HCl Powder product profile. We also provide customization options—such as adjustments to particle size and packaging—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.

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Vitamin B6 Pyridoxine HCl

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