Ascorbic Acid Food Grade 99% (Vitamin C, E300)

Ascorbic Acid Food Grade 99% (Vitamin C, E300) (CAS 50-81-7, molecular formula C6H8O6) is a food-grade ingredient supplied to a published specification for food, beverage and nutrition manufacture, with traceability from batch through to certificate. China Chemicals supplies it at 99.0 – 100.5% in pack sizes from 1 kg through to 1000 kg Bulk Bag, so laboratory trial quantities and full production volumes can be sourced from the same specification.

It is also traded as E300, Vitamin C, L-Ascorbic Acid. Every consignment ships with a batch-specific Certificate of Analysis and the current Safety Data Sheet, and material is stored and picked under stock rotation so you receive product well inside its shelf life.

Typical applications

Antioxidant and vitamin fortification in beverages
Dough improver and flour treatment agent in baking
Colour retention in cured meat and fresh-cut produce
Nutraceutical and supplement manufacture
Oxygen scavenger in beverage and juice packaging

Technical specification

Chemical name	Ascorbic Acid Food Grade 99% (Vitamin C, E300)
Synonyms	E300, Vitamin C, L-Ascorbic Acid
CAS number	50-81-7
Molecular formula	C6H8O6
Appearance	White to slightly yellow crystalline powder
Assay (dry basis)	99.0 – 100.5%
Loss on drying	0.4% max
Specific rotation	+20.5° to +21.5°
Heavy metals as Pb	5 ppm max
Sulphated ash	0.1% max
Standard	USP / BP / FCC / E300

Values above are typical and are confirmed on the Certificate of Analysis issued against each batch. Tighter specifications can be quoted where a process requires them.

Packaging and supply

Available in 1 kg, 5 kg, 25 kg Bag, 1000 kg Bulk Bag. Bulk, road tanker and export drum quantities are quoted on request, including FOB and CIF terms for international shipment. Pricing shown is per pack in USD, exclusive of freight and any applicable duties.

Handling and safety

Transport classification: Not regulated · Not classified as hazardous. Store in the original closed container in a cool, well-ventilated area away from incompatible materials, and handle using appropriate personal protective equipment. Read the Safety Data Sheet in full before use — it is issued with every order and is available on request before purchase.

Supply to industry only. Products are sold for legitimate industrial, laboratory and manufacturing use. We may request end-use details and business registration before releasing an order.