Ascorbic Acid (Cas 50-81-7)

Price Range: FOB 7.2-8.5 USD/KG; Update:2021/11/1

1. Characteristics of Ascorbic Acid

E number: E300

Synonyms: Ascorbic acid, ascorbate

Formula: C6H8O6

Weight: 176.12 g/mol

MOQ: 500KG

Package: 25KG/carton

HS Code: 2936270010

Certificate: ISO/Kosher/Halal

Specification: EP/BP/ USP/JP/FCC

Grade: Pharmaceutical/Food/Feed grade

Type: 30-100/100/200/325 mesh

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2. Ascorbic acid specification

Across Biotech supply pharmaceutical grade, food grade, feed grade ascorbic acid. The quality meets the standards of EP/BP/USP/JP/FCC. The mesh distribution is 30-100, 100, 200, 325.


2.1 Ascorbic acid pharmaceutical grade specification

Characteristics White or almost White

crystals Crystalline Powder

Identification Positive Reaction
Melting Point About 190℃-192℃
PH(with 2% water solution) 2.4-2.8
PH(with 5% water solution) 2.1-2.6
Clarity Of Solution Clear
Colour Of Solution ≤BY7
Copper ≤5ppm
Heavy Metals ≤3ppm
Iron ≤2ppm
Oxalic Acid ≤0.05%
Loss of Drying ≤0.2%
Sulphate Ash(Residue On Ignition) ≤0.1%
Specific Optical Rotation +20.5°–+21.5°
Residual Solvents Methanol≤0.3%
Related substances Impurity C: ≤0.15%

Impurity D: ≤0.15%

Unspecified impurities: ≤0.15%

Total impurities other than C, D: ≤0.2%

Particle-size NMT 30%, larger than 40 mesh

MT 45% between 40-80 mesh

Total aerobic microbial count ≤1000 cfu/g
Yeasts and moulds ≤100 cfu/g
Escherichia coli N.D.
Staphylococcus aureus N.D.
Salmonella N.D.
Assay 99.0%-100.5%


3. FAQs of ascorbic acid

3.1 What grade and standard of ascorbic acid can you offer?

We supply pharmaceutical grade, food grade, feed grade ascorbic acid. The quality meets standards of EP/BP/USP/JP/FCC.


3.2 What mesh of ascorbic acid can you provide?

We offer 30-100, 100, 200, 325 mesh and fine powder for your option.


3.3 What is the package and MOQ?

For ascorbic acid, the package is 25kg/carton and the MOQ is 500KG.


4. Documents-Ascorbic acid COA


Ascorbic acid pharmaceutical grade COA

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