DL-Cysteine hydrochloride

  • (+/-)-Cysteine hydrochloride
Formula
C3H7NO2S . HCl
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
10318-18-0
EC (EINECS/ELINCS)
233-698-2
RTECS
HA2200000
RTECS class
Reproductive Effector
Beilstein/Gmelin
4150473
Beilstein Reference
4-04-00-03145
New Zealand
Listed

Properties.
Formula
C3H7NO2S.ClH
Formula mass
157.62
Melting point, °C
>180
Density
>1.0 g/cm3 (20 C)

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use. No special precautions indicated.
Handling
Wash hands before eating. Minimize dust generation and accumulation. Use with adequate ventilation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire.
Health
0
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
Expected to be a low ingestion hazard.
   Inhalation
Low hazard for usual industrial handling.
   Skin
Non-irritating to the skin.
   Eyes
May cause mild eye irritation.

First aid
 
   Ingestion
Wash mouth out with water. Get medical aid if irritation or symptoms occur.
   Inhalation
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
   Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.

Transport.