SODIUM NITRITE

 

SYNONYM: NITROUS ACID, SODIUM SALT

 

FORMULA: NaNO₂

 

M. W.: 69.00

 

CAS NO.: 7632-00-0

 

DESCRIPTION: WHITE CRYSTALS WITH SLIGHT YELLOW; Sp.Gr.2.17(20℃), M.P.271℃, SOLUBLE IN WATER, SLIGHTLY SOLUBLE IN ALCOHOL AND ETHER, WITH DELIQUESCENCE; WHEN HEATED AT 320℃, DECOMPOSED TO O₂, N₂, Na₂O, NO OR NO₂. EASILY BURN AND EXPLODE WHEN MIXED WITH ORGANIC MATERIALS, IT GIVES OFF NITROGEN OXIDE WHEN BURNS. ABSORBS OXYGEN FROM AIR, EVOLVE AS NaNO₃, WITH STRONG POISON, DO NOT CONTACT WITH SKIN TO AVOID POLLUTION OR TOXICANT.

 

SPECIFICATIONS:

ITEM	NORMAL	ANTI-CAKING
NaNO2 (AS DRY BASIS)	99.0%MIN.	98.8%MIN.
NaNO3 (AS DRY BASIS)	0.8%MAX.	0.8%MAX.
CHLORIDES	0.1%MAX.	0.1%MAX.
INSOLUBLE MATTER IN WATER	0.05%MAX	0.05%MAX.
MOISTURE	1.4%MAX.	3.0%MAX.
ANTI-CAKING AGNET		0.2%MAX.

 

USES: MAINLY USED FOR MANUFACTURE NITROCOMPOUND, AZO-DYE, BLEACHING AGENT, MORDANT, AND HEAT TREATMENT OF METAL ETC.

 

PACKING: 50KGS NET IN PLASTIC WOVEN BAG, WITH PLASTIC BAG LINING. THERE IS MARK FOR DANGEROUS MATERIALS ON PLASTIC WOVEN BAG.

 

CAUTIONS: AWAY FROM ORGANIC COMPOUND, COMBUSTIBLE SUBSTANCES, STRONG OXIDANT. STORE IN A DRY AND COOL PLACE. KEEP AWAY FROM SUNLIGHT & DAMP.

 

METHOD OF EXTINGUISHING A FIRE: FOG-LIKE WATER, SAND.

 

UN No.: 1498             CLASS: 5.1