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Home> CAS DataBase Listed 5 > CAS 52-89-1
Identification of 52-89-1
  • Name:
  • L-Cysteine hydrochloride anhydrous (Related Reference)
  • EINECS:
  • 200-157-7
  • Synonyms:
  • (R)-Cysteine hydrochloride; Cysteine monohydrochloride; 3-Mercaptoalanine hydrochloride; Cysteine chlorohydrate; (2R)-2-amino-3-sulfanyl-propanoic acid hydrochloride; Cysteine, L-, monohydrochloride; L-(+ )-Cysteine hydrochloride; L-Cysteine HCl Anhydrous; L-Cysteine HCl Anhy; (R)-Cysteine-hydrochloride; L-(+)-Cysteine hydrochloride; L-2-Amino-3-mercaptopropanoic acid monohydrochloride; H-Cys-OH.HCl; L- Cysteine Hydrochloride Anhydrous; L-Cysteine hydrochloride monohydrate; L-Cysteine HCL anhydrouse; L-Cysteine hydrochloride anhydrous; (R)-2-Amino-3-mercaptopropanoic acid hydrochloride;
  • InChI:
  • InChI=1/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m0./s1
  • This structure is also available as a 2d Mol file
Safety Data of 52-89-1 Properties of 52-89-1
  • Appearance:
  • white solid
  • Molecular Weight:
  • 157.61
  • Density:
  • g/cm3
  • Boiling Point:
  • 293.9 oC at 760 mmHg
  • Melting Point:
  • 140-142oC
  • Flash Point:
  • 131.5 oC
  • Alpha:
  • 5.5 o (C=8, 6 N HCL)
  • Storage Temperature:
  • Store at RT.
  • Solubility:
  • H2O: 1 M at 20 °C, clear, colorless
  • Stability:
  • Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals.
  • Usage:
  • A nonessential amino acid in humans. Important in protein crosslinking.
  • More>>

CAS No. 52-89-1 (L-Cysteine hydrochloride anhydrous )

  • CAS No:52-89-1
  • Molecular Weight: 157.61
  • Molecular Formula: C3H8ClNO2S
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
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Precursor and Product
References of L-Cysteine hydrochloride anhydrous cas 52-89-1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1250mg/kg (1250mg/kg) ? National Technical Information Service. Vol. AD691-490,
mouse LD50 intravenous 771mg/kg (771mg/kg) ? Japanese Journal of Antibiotics. Vol. 38, Pg. 137, 1985.
mouse LD50 unreported 3gm/kg (3000mg/kg) ? British Journal of Cancer. Vol. 6, Pg. 160, 1952.

Safety

Moderately toxic by intraperitoneal, intravenous, and possibly other routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, SOx, and Cl?.
Safety Information of?L-Cysteine hydrochloride (CAS NO.52-89-1)
Hazard Codes:?Xi
Risk Statements: 36/37/38?
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36: Wear suitable protective clothing.
WGK Germany: 2?
RTECS: HA2275000
F: 3-10-23
?

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