L-cysteine
Price | Get Latest Price | ||
Package | 25kg | 100kg | 1000kg |
Min. Order: | 1kg |
Supply Ability: | 10t |
Update Time: | 2023-05-31 |
Product Details
Product Name: L-cysteine | CAS No.: 52-90-4 |
EC-No.: 200-158-2 | Min. Order: 1kg |
Purity: 98.5~101.0%;CP | Supply Ability: 10t |
Release date: 2023/05/31 |
English name: | L-CYSTEINE | ||
CAS Number: | 52-90-4/4371-52-2 | ||
Raw material delivery code: | 001205-00817-6774 | ||
Chemical formula: | C3H7NO2S | ||
Molecular weight: | 121.16 | ||
HS code: | 2930901000 | ||
EINECS No: | 200-158-2 | ||
English alias: | L-Cys;Zistein;H-Cys-OH;CYSTEINE;L-Cysteine; Cysteine, L-;L(+)-Cysteine;L-Cysteine Base; (S)-(-)-Cysteine; L-Alanine, 3-mercapto-L-beta-mercaptoalanine; L-Cysteine Free Base Crystalline; (+)-2-Amino-3-mercaptopropionic acid | ||
China has used cosmetics raw materials directory | |||
The highest historical usage amount (%) | 10% | ||
The highest historical use of resident products (%) | 1.25% | ||
Cosmetic Ingredient Review (CIR) | |||
Total use (%) | The results of CIR safety assessment show that this ingredient is safe when used in cosmetics at a concentration of no more than 5%. | ||
Senate (%) | The results of the CIR safety assessment show that this ingredient is safe when used in leave-on products at a concentration of no more than 0.05%. | ||
Gel (%) | The results of CIR safety assessment show that this ingredient is safe when used in rinse-off products at a concentration of no more than 5%. | ||
Quality Inspection | |||
Project | Standard | ||
Appearance | white crystal or white crystalline powder | ||
Clarity | clear and transparent | ||
Identification | The infrared absorption spectrum should be consistent with the control spectrum | ||
Assay(drying basis) | 98.5~101.0% | ||
Specification Rotation | +8.0°~+10.0° | ||
pH value | 4.7~5.7 | ||
Loss on drying | ≤0.5% | ||
Residue on Ignition | ≤0.1% | ||
Chloride | ≤0.04% | ||
Heavy metal(Lead) | ≤10ppm | ||
Sulfate | ≤0.03% | ||
Ironic(Fe) | ≤10ppm | ||
Arsenic(As) | ≤1ppm | ||
Package: In 25 kg net per fiber drum, inner polythene bags. We can provide the packing as you requested. |
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- Since: 2013-09-16
- Address: Taibai industrial concentration area of Dangtu town Ma'anshan city Anhui province
17356584060
GM@tiantaibio-tech.com