Calcium bis(mercaptoacetate)

  • Acetic acid, mercapto-, calcium salt (2:1)
  • Calcium thioglycolate trihydrate
Formula
C2H2CaO2S
Structure
Description
White powder with an unpleasant odor.
Uses
Depilatory, tanning leather, hair-waving preparations.

Registry Numbers and Inventories.
CAS
814-71-1
EC (EINECS/ELINCS)
212-402-5
Merck
12,1758
Beilstein/Gmelin
NA
Swiss Giftliste 1
G-9196
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C2H2CaO2S
Formula mass
130.18
Solubility in water
Soluble.

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear protective goggles, gloves and clothing.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Avoid raising or breathing dust. Sweep up and place in a container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizers.
Decomposition
Hydrogen sulfide.

Fire.
Fire fighting
Wear self contained breathing apparatus. Use dry chemical, alcohol-resistant fome or COT to fight fire.
Combustion products
May emit toxic fumes under fire conditions.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
3
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Causes irritation.
   Skin
Causes irritation.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Do not induce vomiting. Rinse mouth and drink a glass of water. Obtain medical assistance.
   Inhalation
Remove to fresh air.
   Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
   Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Transport.