C6H8O6 193C Vitamin C Coated Cas No. 50-81-7 Coated Ascorbic Acid KOSHER

Basic Information
Place of Origin: CHINA
Brand Name: XINLEI
Certification: ISO, KOSHER, HALAL
Minimum Order Quantity: 1000KG
Packaging Details: 25KG PER BAG
Detail Information
Product Name: Vitamin C Coated CAS No.: 50-81-7
MF: C6H8O6 EINECS No.: 200-066-2
Origin: China Type: Vitamins, Antioxidant, Nutrition Enhancers
Appearance: White Or Semi-white Granule Assay: 99.0%~100.5%
Melting Point: 189ºC~193ºC Special Optical Rotation: 20.5º~+21.5º
Heavy Metals: ≤10ppm PH(2%,W/V): 2.4~2.8
High Light:

C6H8O6 Vitamin C Coated


193C Vitamin C Coated


50-81-7 coated ascorbic acid

Product Description

Food Additive Food Grade Vitamin C Ascorbic Acid Vc Antioxidants Powder Cas No. 50-81-7



Brief Introduction

Vitamin C(Ascorbic Acid) Powder is a kind of white to light yellow cystalline powder with no odor but acidity.

Vitamin C(Ascorbic Acid) Powder is soluble in water, ethanol, and insoluble in chloroform, ether and benzene.

Vitamin C(Ascorbic Acid) Powder is relatively stable in dry air, but it's water solution is not stable, and quickly being oxidized in neutral or alkaline solution. when exposed to light, heat and copper, iron and other metal ions will be accelerated the oxidation.



Specification of Ascorbic Acid

White crystalline powder
Clarity of solution
Assay (%)
Loss on drying (%)
≤ 0.40
Residue on ignition (%)
≤ 0.10
Sulphate ash
≤ 0.10
Specific rotation
from +20.5 to +21.5
PH value (2% solution)
2.4 ~ 2.8
PH value (5% solution)
2.1 ~ 2.6
Heavy metals
≤3 ppm
≤2 ppm
≤2 ppm
Total plate count
≤ 1000 cfu/g
≤1 ppm
≤1 ppm
Organic volatile impurities
Meets the requirements
Chloride (Cl) (%)
≤ 0.30
Melting point ( ℃)
about 190
≤1 ppm
≤2 ppm


C6H8O6 193C Vitamin C Coated Cas No. 50-81-7 Coated Ascorbic Acid KOSHER 0


About Us

Yixing Jiangshan Bio-tech Co.,Ltd was founded in 1992. And it is situated in Yixing City of China. Yixing city enjoys the reputation as Oriental Water City and hometown of purple clay teapot. 160km from Shanghai, 160km from Nanjing, 160km from Hangzhou, 60km from Wuxi, with convenient transportation.




Q: How to order samples for quality inspection before commercial order?

Answer: We do provide customers with small samples for quality testing (sample size is 1 to 50 grams). Due to the cost of materials, some products can provide free samples.

Q: What is our minimum order quantity (MOQ)?

Answer: For high-value products, our MOQ starts from 1 gram, and other products usually start from 1 kg. For other low-priced products, the minimum order quantity can start from 10kgs to 100kgs.


Q: Are there any discounts?

Answer: Yes, we offer lower prices for large quantities. There will be different price ranges on our quotation, so please let us know how much you need.


Q: How do we guarantee product quality?

Answer: First of all, our quality control system reduces our quality problems to almost zero. We can always provide a certificate of analysis according to each batch of products, and we can also provide third-party analysis and testing according to customer requirements.

If we cause any quality problems, we will send you free goods for replacement or refund.


Q: How to contact us?

Answer: You can contact us in the message box of any of our products displayed. You can also send us an email to our company's email address, or call us anytime!


Contact Details