Cysteamine

  • Thioethanolamine
  • Decarboxycysteine
  • 2-Mercaptoethylamine
  • 2-Aminoethanethiol
  • b-Mercaptoethylamine
  • Mercaptoethanolamine
Formula
HSCH2CH2NH2
Structure
Description
white solid.
Uses
Experimentally as a radioprotective agent and to produce acute and chronic duodenal ulcers in rats.

Registry Numbers and Inventories.
CAS
60-23-1
EC (EINECS/ELINCS)
200-463-0
22 36/37/38
RTECS
KJ0175000
RTECS class
Drug; Mutagen; Reproductive Effector
UN (DOT)
3335
Merck
13,2808
Beilstein/Gmelin
635649
Beilstein Reference
4-04-00-01570
Japan ENCS (MITI)
Listed

Properties.
Formula
C2H7NS
Formula mass
77.15
Boiling point, °C
134
Vapor pressure, mmHg
8.4 (25 C)
Solubility in water
Very soluble
pKa/pKb
3.53 (pKb)
Heat of vaporization
37.1 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place. Store under inert gas. Store at 2-8 C
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides.

Fire.
Flash Point,°C
35
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
May burn but does not ignite readily.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
0
 
 
Reactivity
1
 

Health.
Exposure effects
Harmful. Harmful if swallowed. Irritating to eyes, respiratory system and skin. Stench.
   Ingestion
Harmful if swallowed.
   Inhalation
Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
Causes skin irritation. May be harmful if absorbed through the skin.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
3335
Response guide
Hazard class
9
Packing Group
III