| Customization: | Available |
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| Powder: | Yes |
| Customized: | Customized |
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Name: L-Cysteine hydrochloride anhydrous
English synonym: Cysteinhydrochlorid
CAS Number: 52-89-1
Molecular formula: C3H8ClNO2S
Molecular weight: 157.62
EINECS number: 200-157-7
Melting point: 180°C
Specific optical rotation: 5.5º(c=8,6NHCL)
Storage conditions: Inert atmosphere, RoomTemperature
Solubility: H2O:1Mat20°C,clear,colorless
Form: Solid
Color: White to light brown
Optical activity: [α]20/D+6.4±0.3°, c=5%in5MHCl
Water solubility: SOLUBLE
Sensitivity: Hygroscopic
Stability: Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals.
L-cysteine hydrochloride is a colorless to white crystal or crystalline powder, with a slight special odor and sour taste, with a melting point of 175°C (decomposition). It is soluble in water, and the aqueous solution is acidic. The pH value of 1% solution is about 1.7, and the pH value of 0.1% solution is about 2.4. It is also soluble in alcohol and acetic acid, but insoluble in ether, benzene, etc. It is reductive, has the characteristics of anti-oxidation and preventing non-enzymatic browning.
It is used to treat radiopharmaceutical poisoning, heavy metal poisoning, toxic hepatitis, serum sickness, etc., and can prevent hepatic necrosis.
Used as a component in cosmetics perm, sunscreen, hair growth perfume and hair nourishing essence;
Can be used as a food additive to prevent oxidation and discoloration of vitamin C;
It is used in bread to promote the formation and fermentation of gluten, moulding, etc.
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