Sodium chlorite

Formula
NaClO2
Structure
Description
White solid with slight chlorine odor.
Uses
For bleaching cotton, rayon, other synthetic fibres, paper and pulp, fats, tallow, wooden materials, plants and food materials.

Registry Numbers and Inventories.
CAS
7758-19-2
EC (EINECS/ELINCS)
231-836-6
RTECS
VZ4800000
RTECS class
Tumorigen; Mutagen; Reproductive Effector; Human Data
UN (DOT)
1496
Merck
12,8743
Beilstein/Gmelin
11022 (G)
EPA OPP
20502
Swiss Giftliste 1
G-2581
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
ClNaO2
Formula mass
90.44
Melting point, °C
250 - 257
Boiling point, °C
112
Density
1.28 g/cm3 (20 C)
Solubility in water
Miscible

Hazards and Protection.
Storage
Keep away from heat, sparks, and flame. Do not store near combustible materials. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. 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
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong reducing agents, strong acids, ammonia, finely powdered metals, phosphorus, zinc.
Decomposition
Hydrogen chloride, sodium oxide.

Fire.
Flash Point,°C
180
Lower exp. limit, %
7
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with combustible materials may cause a fire. Use water with caution and in flooding amounts. Extinguishing media: Use water only! Contact professional fire-fighters immediately.
Fire potential
Nonflammable.
Hazards
May ignite combustibles (wood, paper, oil, clothing, etc.). Some will react explosively with hydrocarbons (fuels). Containers may explode when heated. Runoff may create fire or explosion hazard.
Combustion products
Fire may produce irritating and/or toxic gases.
Health
1
 
Flammability
0
 
 
Reactivity
1
 
 
Special
O

Health.
Poison_Class
3
Exposure effects
   Ingestion
Harmful if swallowed. Causes gastrointestinal tract irritation.
   Inhalation
May cause cyanosis, characterized by bluish-colored skin. Dust is irritating to the respiratory tract. May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye 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
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
1496
Response guide
Hazard class
5.1
Packing Group
II
 
Std. Transport #
4936360