156-57-0

Name Cysteamine hydrochloride
CAS 156-57-0
EINECS(EC#) 205-858-1
Molecular Formula C2H8ClNS
MDL Number MFCD00012904
Molecular Weight 113.61
MOL File 156-57-0.mol

Chemical Properties

Appearance White Solid
Melting point  67-71 °C
Boiling point  238.5℃[at 101 325 Pa]
density  0.75
vapor pressure  5.333Pa at 25℃
refractive index  1.6100 (estimate)
storage temp.  2-8°C
solubility  H2O: 1 m at 20 °C, clear, colorless
form  Crystalline Powder or Pellets
color  White
PH 3.3-5.0 (400g/l, H2O, 20℃)
Stability: Stable, but hygroscopic. Incompatible with strong oxidizing agents.
biological source synthetic (organic)
Water Solubility  VERY SOLUBLE
Sensitive  Hygroscopic
Usage Used as an antioxidant and in radiation therapy
λmax λ: 280 nm Amax: ≤0.3
Merck  14,2779
BRN  3590083
Cosmetics Ingredients Functions ANTIOXIDANT
REDUCING
HAIR WAVING OR STRAIGHTENING
InChI 1S/C2H7NS.ClH/c3-1-2-4;/h4H,1-3H2;1H
InChIKey OGMADIBCHLQMIP-UHFFFAOYSA-N
SMILES Cl[H].NCCS
LogP -2.14 at 25℃
CAS DataBase Reference 156-57-0(CAS DataBase Reference)
EPA Substance Registry System 156-57-0(EPA Substance)
Absorption cut-off at 270nm in H2O at 1M

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H317-H319-H335
Precautionary statements  P261-P264-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
RIDADR  UN 3335
WGK Germany  3
RTECS  KJ0200000
F  1-3-10-13
TSCA  Yes
REACH Registrations Active
HS Code  29309070
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Irrit. 2
Skin Sens. 1
STOT SE 3
Toxicity
LD50 orally in Rabbit: 642 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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