Sulfoacetic acid

  • Sulfoethanoic acid
Formula
C2H4O5S
Structure
Description
White crystalline solid.

Registry Numbers and Inventories.
CAS
123-43-3
EC (EINECS/ELINCS)
204-627-2
RTECS
AJ4900000
RTECS class
Primary Irritant
Merck
12,9126
Beilstein/Gmelin
1764390
Beilstein Reference
4-04-00-00102
Swiss Giftliste 1
G-4269
Canada DSL/NDSL
DSL
US TSCA
Listed

Properties.
Formula
C2H4O5S
Formula mass
140.11
Melting point, °C
88
Boiling point, °C
330
Solubility in water
Very soluble
pKa/pKb
4.05 (pKa)
Partition coefficient, pKow
-1.26

Hazards and Protection.
Storage
Keep in a cool, dry location.
Handling
Only to be used by persons specifically trained to handle this chemical and its container. Avoid direct contact.
Protection
Personal protective equipment should be worn by persons handling the material and eye protective equipment should be available.
Respirators
NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Evaucate area. Use protective equipment. Ventilate area. Sweep up and place in an appropriate container - hold for disposal. Wash contaminated surfaces.
Stability
Stable at normal temperratures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Toxic and corrosive fumes.

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. Use agent most appropriate to extinguish fire.

Health.
Poison_Class
4
Exposure effects
Chronic exposure headache, dizziness and eye damage.
   Ingestion
Ingestion of acids may result in burns, gastrointestinal bleeding, gastritis, perforations, dilation, edema, necrosis, vomiting, stenosis, fistula, and duodenal/jejunal injury.
   Inhalation
Inhalation may produce dyspnea, pleuritic chest pain, upper airway edema, pulmonary edema, hypoxemia, bronchospasm, pneumonitis, and persistent pulmonary function abnormalities. Airway hyperreactivity has also been reported.
   Skin
Harmful by absorption. Can cause burns and irrritation.
   Eyes
Severe burns and irritation.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
   Skin
Remove contaminated clothing, wash exposed area with copious amounts of water. A physician should examine the area if irritation or pain persists.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.