WC Code: 01-022

Ascorbic Acid USP

Ascorbic Acid USP

Wintersun code: 01-022
CAS Number: 50-81-7
Molecular Formula: C6H8O6
Molecular Weight: 176.13

INCI Name: Ascorbic Acid

Ascorbic Acid USP Sales Specification

Appearance: White crystalline powder
Identification: Positive
Clarity of Solution: Clear
Color of Solution: ≤BY7
Assay: 99.0 – 100.0%
Loss on Drying: ≤0.4%
Residue on Ignition: ≤0.1%
Sulfate Ash: ≤0.1%
Specific Rotation: +20.5° ~ +21.5°
pH(with 2% water solution): 2.4 – 2.8
pH(with 5% water solution): 2.1 – 2.6
Melting Range: about 190°C
Heavy Metals: ≤3ppm
Iron: ≤2ppm
Copper: ≤5ppm
Oxalic Acid: ≤0.2%
Arsenic: ≤1ppm
Lead: ≤2ppm
Cadmium: ≤1ppm
Mercury: ≤1ppm
Organic Volatile Impurities: Meets the Requirements

Related Substances:
ImpurityC≤0.15%
ImpurityD≤0.15%
Any Other Unspecific Impurities
Impurity≤0.10%
Total Impurity≤0.2%

Total Plate Count: ≤1,000cfu/g

According to BP2010, E300, USP32, FCC7, EP7

Packing

In 25KG per carton

FAQ

Q1: Can I have a sample for testing?
A: Yes! Test can intuitively show the application result. Actually the sample is free;
you just need to pay for the express cost.
Q2: Can I use our own packing?
Yes! OEM is available for us. You can send your packing material to our factory or we can purchase the designated packing for you.
Q3: Do you have inspection procedures for evaporation materials?
A: 100% self-inspection before packing
Q6: What are the benefits of being an HSC distributor?
A: Broad market sales; ample margins for your sales.
Q7: How can I become a distributor of HSC?
A: Contact us immediately for further details by sending us an inquiry.

Contact Us For Bulk Orders!

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