3374-22-9

Name 2-Amino-3-mercaptopropionic acid
CAS 3374-22-9
EINECS(EC#) 222-160-2
Molecular Formula C3H7NO2S
MDL Number MFCD00004881
Molecular Weight 121.16
MOL File 3374-22-9.mol

Chemical Properties

Appearance white solid
Melting point  225 °C (dec.) (lit.)
Boiling point  293.9±35.0 °C(Predicted)
density  1.197 (estimate)
refractive index  1.5130 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  Aqueous Acid (Sparingly), DMSO (Sightly), Water (Slightly)
form  Powder
pka 2.07±0.10(Predicted)
color  White to off-white
Stability: Stable. Incompatible with strong oxidizing agents,
Water Solubility  Soluble in water (partly), 1 N HCl (25 mg/ml), ethanol, and acetic acid. Insoluble in acetone.
BRN  1721406
Major Application peptide synthesis
Cosmetics Ingredients Functions ANTIOXIDANT
HAIR CONDITIONING
REDUCING
HAIR WAVING OR STRAIGHTENING
FRAGRANCE
ANTISTATIC
InChI 1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)
InChIKey XUJNEKJLAYXESH-UHFFFAOYSA-N
SMILES NC(CS)C(O)=O
LogP 0.230 (est)
CAS DataBase Reference 3374-22-9(CAS DataBase Reference)
NIST Chemistry Reference DL-Cysteine(3374-22-9)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302+H332-H314-H335
Precautionary statements  P260-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
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 .
RIDADR  UN 2923 6.1(8) / PGIII
WGK Germany  3
RTECS  HA1595000
8-10-23
HazardClass  8, 6.1
HS Code  29309090
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1A
STOT SE 3

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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