98%
400G
Door-to-door
Home
L-Ascorbic Acid
L-Ascorbic Acid / CAS : 50-81-7
| Appearance | White to very light yellow crystalline powder | UN | - |
| HS | 29362700 | DG Class | - |
| Synonyms | L-Ascorbic Acid(C); L-Threoascorbic Acid; Antiscorbutic Factor; Vitamin C; (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-Dihydroxyfuran-2(5H)-One; L(+)-Ascorbic Acid; 2-(Trimethylazaniumyl)Acetate; Ascorbic Acid; Coated Ascorbic Acid; L Ascorbic Acid | ||
Customer Service
XUE.YS
- Email: yaosen@mail.chemball.com
- Whatsapp: 0086-13336062322
- Tel: 0086-571-86273270/88796269
latest price
Overview
Benefits
27 years of listed companies, domestic first-class, and internationally renowned large pharmaceutical enterprise groups;
The company has five business segments: chemical APIs, chemical preparations, biomedicine, pharmaceutical commerce, and pharmaceutical engineering. It mainly produces 10 series of products, including antibiotics, vitamins, digestive systems, Anesthetic, biological diagnostic reagents, and more than 400 pharmaceutical intermediates, chemical APIs, and pharmaceutical products;
The leading API products VC series, Fosfomycin series, levocarnitine series, etc. occupy a strong position in the international supply market and are exported to more than 100 countries and regions.
Specification
L-Carnitine（Pharma Grade）：
Items | Standard |
Characteristics | White or almost white, crystalline powder or colorless crystals |
Melting Point | About 190℃, with decomposition |
Specific Rotation | +20.5°~+21.5° |
Acidity (pH) | 2.2~2.5(5%aqueous solution) |
Assay | 99.0%~100.5% |
Loss on Drying | ≤0.20% |
Oxalic Acid（Impurity E） | ≤0.05% |
Related Substances | Impurity C, D:≤0.15% Unspecified Impurities:≤0.10% Total Impurities other than C, D: ≤0.2% |
Copper | ≤5ppm |
Iron | ≤2ppm |
Sulphated Ash | ≤0.1% |
Clarity of Solution | Clear |
Color of Solution | ≤BY7 |
Residual Solvents | Methanol ≤0.3% |
Particle-Size | ≤30% more than 40 mesh ≥45% between 40 and 80 mesh |
The total aerobic microbial count(TAMC) | ≤10³cfu/g |
The total combined yeasts and moulds count(TYMC) | ≤10²cfu/g |
Escherichia coli | Not detected /g |
Staphylococcus aureus | Not detected /g |
Salmonella | Not detected /10g |
L-Carnitine（Food Grade）：
Items | Standard |
Characteristics | White or almost white, crystalline powder or colorless crystals |
Melting Point | About 190℃, with decomposition |
Specific Rotation | +20.5°~+21.5° |
Acidity (pH) | 2.1~2.6(5%aqueous solution) 2.4~2.8(2%aqueous solution) |
Assay | 99.0%~100.5% |
Loss on Drying | ≤0.40% |
Oxalic Acid（Impurity E） | ≤0.2% |
Related Substances | Impurity C, D:≤0.15% Unspecified Impurities:≤0.10% Total Impurities other than C, D: ≤0.2% |
Heavy Metals | ≤10ppm |
Copper | ≤5ppm |
Iron | ≤2ppm |
Arsenic | ≤3ppm |
Lead | ≤2ppm |
Mercury | ≤1ppm |
Sulphated Ash | ≤0.1% |
Clarity of Solution | Clear |
Color of Solution | ≤BY7 |
Residual Solvents | Methanol≤0.3% |
Particle-Size | ≤30%more than 40 mesh ≥45%between 40 and 80 mesh |
The total aerobic microbial count(TAMC) | ≤10³cfu/g |
The total combined yeasts and moulds count(TYMC) | ≤10²cfu/g |
Escherichia coli | Not detected /g |
Staphylococcus aureus | Not detected /g |
Salmonella | Not detected /10g |
Uses
Food processing application: used as a vitamin enhancer and nutritional supplement for concentrated orange juice, fruit juice crystals, candies, jelly, jam, etc. Used as an antioxidant, it can be used in fermented noodle products and also in beer.
Medical application: Ascorbic acid participates in the generation of collagen in the body, has the function of neutralizing toxins and promoting antibody generation, and can enhance the detoxification function of the body. It is a kind of vitamin medicine, which is mainly used in medicine for the prevention or treatment of Scurvy, as well as for caries, Dental abscess, anemia, growth stagnation and other diseases caused by insufficient ascorbic acid, and also for various acute and chronic infectious diseases, purpura and other auxiliary functions.
Chemical industry applications: reference reagents for the determination of arsenic, iron, phosphorus, and iodine, chromatographic analysis reagents, antioxidants, masking agents, reducing agents.
Picture
Properties
Summary
Formula
C6H8O6
Molecular Mass
176.12400
Exact Mass
176.03200
PSA
107.22000
Logp
-1.40740
IUPAC
2-(trimethylazaniumyl)acetate
SMILES
C([C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O)O
Attribute classification
Category
Cosmetics > Cosmetic Raw Materials
API & Intermediate > Vitamins And Minerals Medicines
Food(Feed) Additives > Nutritional Fortifier
API & Intermediate > Vitamins And Minerals Medicines
Food(Feed) Additives > Nutritional Fortifier
Chemical and Physical Properties
Melting Point
190-194 °C
Density
1,65 g/cm3
Boiling Point
415.8ºC
Flash Point
180.4ºC
Appearance
White to very light yellow crystalline powder
Export information
HS Code
29362700
Export Rebate
13%
Risk Code
R20/21/22-36/37/38
Safety Label
Xn
Sign In
Error!
processing...
Send Email
Sending...
Thank You！
Your requirement has been sent, we will contact you quickly!
Sent Failed！
Try again!