We uphold stringent quality control standards for every batch of PQQ Disodium Salt. The data below represents our standard product specifications, ensuring consistency and reliability for your formulations. A comprehensive, batch-specific Certificate of Analysis (COA) is readily available for your quality review.

Parameter	Specification	Test Method
Identity
Product Name	PQQ Disodium Salt	-
CAS No.	122628-50-6	-
Molecular Formula	C14H4N2Na2O8	-
Key Specifications
Purity (HPLC)	≥ 99.0%	HPLC
Appearance	Dark Red to Brownish Red Crystalline Powder	Visual Inspection
Particle Size	95% passing 80 mesh	Sieve Analysis
Loss on Drying	≤ 5.0%	Gravimetric Method
Specific Rotation	+19.0° to +21.5° (c=1, H2O)	Polarimetric Method
Microbiological Quality
Total Aerobic Microbial Count	≤ 1,000 CFU/g	USP <61> / ISO 4833-1
Total Combined Yeasts and Molds	≤ 100 CFU/g	USP <61> / ISO 21527-2
Escherichia coli	Absent in 1g	USP <62>
Salmonella spp.	Absent in 10g	USP <62>
Heavy Metals & Contaminants
Lead (Pb)	≤ 1.0 mg/kg	ICP-MS
Arsenic (As)	≤ 0.5 mg/kg	ICP-MS
Cadmium (Cd)	≤ 0.5 mg/kg	ICP-MS
Mercury (Hg)	≤ 0.1 mg/kg	ICP-MS
Packaging & Services
Minimum Order Quantity (MOQ)	1 kg	-
Free Sample	Available (10-20g/bag) for qualified inquiries	-
Standard Packaging	1 kg/bag, 5 kg/drum, 25 kg/drum	-
Shelf Life & Storage	24 months in a cool, dry place in original, sealed packaging	-
Custom Services	OEM, ODM, Private Label, Custom Blending	-

Note: The specifications above define our standard PQQ Disodium Salt product profile. We also provide customization options—such as adjustments to purity levels and particle size distribution—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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PQQ Disodium Salt

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