Melting point :95°C
Boiling point :130 °C
Density :0.934 (estimate)
refractive index :1.5300 (estimate)
storage temp. :2-8°C
Water Solubility :Soluble in water
solubility :Water (soluble), Ethanol (soluble (95% EtOH))
form :Powder
pka :8.35(at 25℃)
color :White to slightly yellow
Merck :14,2779
BRN :635649
Henry's Law Constant :2.7×10¹ mol/(m³Pa) at 25℃, HSDB (2015)
Stability :Stable, but may be air-sensitive. Incompatible with strong oxidizing agents.
Cosmetics Ingredients Functions :HAIR WAVING OR STRAIGHTENING
InChI :1S/C2H7NS/c3-1-2-4/h4H,1-3H2
InChIKey :UFULAYFCSOUIOV-UHFFFAOYSA-N
SMILES :NCCS
CAS DataBase Reference :60-23-1(CAS DataBase Reference)
EPA Substance Registry System :Cysteamine (60-23-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.