D-CYSTEINE HYDROCHLORIDE MONOHYDRATE - Names and Identifiers
D-CYSTEINE HYDROCHLORIDE MONOHYDRATE - Physico-chemical Properties
Molecular Formula | C3H8ClNO2S
|
Molar Mass | 157.62 |
Melting Point | ~185°C (dec.) |
Boling Point | 293.9°C at 760 mmHg |
Flash Point | 131.5°C |
Water Solubility | almost transparency |
Solubility | DMSO (Slightly), Methanol (Slightly) |
Vapor Presure | 0.000411mmHg at 25°C |
Appearance | Crystalline Powder |
Color | White to yellow |
Storage Condition | Inert atmosphere,2-8°C |
Refractive Index | -6 ° (C=8, 1mol/L HC |
D-CYSTEINE HYDROCHLORIDE MONOHYDRATE - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
|
WGK Germany | 3 |
FLUKA BRAND F CODES | 3-10-23 |
D-CYSTEINE HYDROCHLORIDE MONOHYDRATE - Introduction
D-Cysteine hydrochloride monohydrate is a chemical compound with the formula C3H7NO2S · HCl · H2O. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: D-Cysteine hydrochloride monohydrate as a colorless crystalline solid.
-solubility: soluble in water, high solubility.
-Chemical activity: It is a weak amino acid with acidity.
Use:
-Drugs: D-Cysteine hydrochloride is widely used in drug production, especially in anti-cancer drug preparations, which has the effect of adjuvant treatment of tumors.
-Cosmetics: It can also be used as a moisturizer and antioxidant in cosmetics.
Preparation Method:
The preparation method of D-cysteine hydrochloride monohydrate usually involves the following steps:
1. Dissolve D-cysteine in water and add appropriate amount of hydrochloric acid to adjust pH value.
2. Slowly add ethanol to the stable solution.
3. Crystal growth: Continue to stir the solution and grow crystals at room temperature.
4. Filtration and drying: The crystals were filtered and dried at low temperature to obtain monohydrate.
Safety Information:
-D-cysteine hydrochloride monohydrate is generally non-toxic to the human body, but it is still necessary to follow the corresponding safety procedures before use.
-Avoid direct contact with skin and eyes during operation to avoid irritation or damage.
-Avoid contact with acidic or oxidizing agents during storage and handling.
-If inhalation or ingestion occurs, seek medical attention immediately.
Last Update:2024-04-09 01:59:54