L-Cysteine hydrochloride anhydrous
Names
[ CAS No. ]:
52-89-1
[ Name ]:
L-Cysteine hydrochloride anhydrous
[Synonym ]:
EINECS 200-157-7
l-Cys hydrochloride
MFCD00064553
(R)-2-Amino-3-mercaptopropanoic acid hydrochloride
L-Cysteine hydrochloride
Cysteine, hydrochloride, L-
L-Cysteine hydrochloride (1:1)
L-Cysteine, hydrochloride (1:1)
QVYZ1SH &&L or R Form HCl
(R)-(+)-Cysteine hydrochloride
L-Cysteinhydrochlorid(1:1)
L-Cysteine hydrochloride anhydrous
Biological Activity
[Description]:
[Related Catalog]:
[References]
Chemical & Physical Properties
[ Boiling Point ]:
293.9ºC at 760 mmHg
[ Melting Point ]:
140-142ºC
[ Molecular Formula ]:
C3H8ClNO2S
[ Molecular Weight ]:
157.619
[ Flash Point ]:
131.5ºC
[ Exact Mass ]:
156.996429
[ PSA ]:
102.12000
[ LogP ]:
0.83040
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- HA2275000
- CHEMICAL NAME :
- Cysteine, hydrochloride, L-
- CAS REGISTRY NUMBER :
- 52-89-1
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 10
- MOLECULAR FORMULA :
- C3-H7-N-O2-S.Cl-H
- MOLECULAR WEIGHT :
- 157.63
- WISWESSER LINE NOTATION :
- SH1YZVQ &GH -L
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1250 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 771 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA
- TYPE OF TEST :
- Cytogenetic analysis
- TEST SYSTEM :
- Rodent - hamster Fibroblast
- DOSE/DURATION :
- 2 gm/L
- REFERENCE :
- FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 22,623,1984 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81863 No. of Facilities: 114 (estimated) No. of Industries: 3 No. of Occupations: 9 No. of Employees: 6426 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81863 No. of Facilities: 492 (estimated) No. of Industries: 2 No. of Occupations: 7 No. of Employees: 7343 (estimated) No. of Female Employees: 5313 (estimated)
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi:Irritant
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
2
[ RTECS ]:
HA2275000
[ HS Code ]:
2930909090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2930909090
[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%
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