Sodium formaldehydesulfoxylate dihydrate

  • Methanesulfinic acid, hydroxy, monosodium salt, dihydrate
Formula
CH3SO3Na.2H2O
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
6035-47-8
EC (EINECS/ELINCS)
205-739-4
RTECS
PB0390000
RTECS class
Drug
Beilstein/Gmelin
3919542
Beilstein Reference
4-01-00-03052
New Zealand
Listed

Properties.
Formula
CH3NaO3S . 2H2O
Formula mass
154.12
Melting point, °C
63
Density
1.8 g/cm3
Solubility in water
600 g/L (20 C)

Hazards and Protection.
Storage
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
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 prevent skin exposure.
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 or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.

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. Extinguishing media: Use agent most appropriate to extinguish fire.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
4 (Substances and products that must be considered harmful)
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
Inhalation of dust may cause respiratory tract irritation.
   Skin
No information regarding skin irritation and other potential effects was found.
   Eyes
Dust may cause mechanical irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
HS Code
2831 10 00