L-Cysteine NEW
Price | Get Latest Price |
Package | 25KG |
Min. Order: | 1KG |
Supply Ability: | 50000KG/month |
Update Time: | 2023-06-29 |
Product Details
Product Name: L-Cysteine | CAS No.: 52-90-4 |
EC-No.: 200-158-2 | Min. Order: 1KG |
Purity: 99% | Supply Ability: 50000KG/month |
Release date: 2023/06/29 |
CAS: | 52-90-4 |
MF: | C3H7NO2S |
MW: | 121.16 |
EINECS: | 200-158-2 |
Product Categories: | Amino Acids;API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;amino;52-90-4 |
Mol File: | 52-90-4.mol |
L-Cysteine Chemical Properties |
Melting point | 240 °C (dec.) (lit.) |
alpha | 8.75 o (c=12, 2N HCl) |
Boiling point | 293.9±35.0 °C(Predicted) |
density | 1.197 (estimate) |
FEMA | 3263 | L-CYSTEINE |
refractive index | 8.8 ° (C=8, 1mol/L HCl) |
storage temp. | Store below +30°C. |
solubility | H2O: 25 mg/mL |
pka | 1.92(at 25℃) |
form | Solid |
color | White |
PH | 4.5-5.5 (100g/l, H2O, 20℃) |
Odor | sulfury |
Odor Type | sulfurous |
optical activity | Optical rotation: +8° to +9° (c = 5, 1 N HCl, 20°C). |
Water Solubility | 280 g/L (25 oC) |
Sensitive | Air Sensitive |
λmax | λ: 260 nm Amax: 1.5 λ: 280 nm Amax: 0.2 |
JECFA Number | 1419 |
Merck | 14,2781 |
BRN | 1721408 |
Stability: | Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases. |
LogP | -2.49 |
CAS DataBase Reference | 52-90-4(CAS DataBase Reference) |
NIST Chemistry Reference | L-Cysteine(52-90-4) |
EPA Substance Registry System | L-Cysteine (52-90-4) |
Product picture
Packing &shipping&Payment
Shipping:by sea or by air
Payment:T/T,western union,moneygram
Packaging Details drum
Port:Tianjin
Lead Time :
Quantity(Kilograms) | 1 - 10000 | >10000 |
Est. Time(days) | 5 | To be negotiated |
Company information
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in 4'-Methylacetophenone,Levamisole hydrochloride ,N-Methylformamide and other chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.
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- Since: 2017-12-08
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