DL-cysteine hydrochloride CAS 10318-18-0
Other Chemicals 2025-03-02
DL-cysteine hydrochloride – Names and Identifiers
| Name | DL-cysteine hydrochloride |
| Synonyms | Half-cystine H-DL-Cys.HCl DL-Cysteine HC1 -Mer-capto-alanine hydrochloride,dl-cystein DL-cysteine hydrochloride Cysteine, hydrochloride, DL- cysteine hydrochloride hydrate H-DL-Cys-OH·HCl DL-Cysteine hydrochloride 2-Amino-3-mercaptopropanoic acid Hydrochloride |
| CAS | 10318-18-0 |
| EINECS | 233-698-2 |
| InChI | InChI=1/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2 |
DL-cysteine hydrochloride – Physico-chemical Properties
| Molecular Formula | C3H8ClNO2S |
| Molar Mass | 157.62 |
| Melting Point | 109-112 °C |
| Boling Point | 389.7°C at 760 mmHg |
| Flash Point | 189.5°C |
| Water Solubility | soluble |
| Solubility | H2O: soluble |
| Vapor Presure | 2.47E-07mmHg at 25°C |
| Appearance | Colorless crystal |
| BRN | 4150473 |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | Air Sensitive & Hygroscopic |
| MDL | MFCD00064552 |
| Physical and Chemical Properties | (R) type: Double Crystal monoclinic or orthogonal crystal, melting point 178 ℃,[α] 26.5(mol/L hydrochloric acid), with imine taste, in the neutral or slightly alkaline solution is easy to be air oxidation into cystine, acidic environment is more stable, soluble in water, ethanol, acetic acid, insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride. |
| Use | Acetylcysteine intermediates, food additives, enzyme growth inhibitors, vitamin C antioxidants, antidote. |
DL-cysteine hydrochloride – 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. S37/39 – Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | HA2200000 |
| FLUKA BRAND F CODES | 3-10-23 |
| HS Code | 29309016 |
DL-cysteine hydrochloride – Introduction
[α] 26 · 5(mol/L hydrochloric acid), with imine flavor, easy to be oxidized to cystine by air in neutral or slightly alkaline solution, stable in acidic environment, soluble in water, ethanol, acetic acid, insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride.,Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
