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Sodium nitrite

Sodium nitrite

Sodium nitrite

English Name Sodium nitrite
English Synonym anti-rust; azotynsodowy; diazotizingsalts; dusitansodny; dusitansodny(czech); erinitrit; filmerine; natriumnitrit
CAS No. 7632-00-0
Molecular Formula NNaO2
Molecular Weight 69
EINECS No 231-555-9
Related categories Cl Sodium nitrate; abiochemical product; inorganic salt; color fixative; food additive; fixing agent); color fixative (colour former; Food colourants and color fixative; Sodium nitrile; Inorganics; Water Treatment Chemicals; ACS Grade Synthetic Reagents; Essential Chemicals; Routine Reagents; Other Additives Volumetric Solutions; Reference Material Potassium permanganate Volumetric Solutions; Allergens; By Reference Material; Cosmetics; S - Z; Salt Solutions; Q-S, Puriss p.a. ACS; Analytical Reagents for General Use; Puriss p.a. ACS; Inorganic Salts; Salts; Sodium Salts; Sodium Metal and Ceramic Science; Synthetic Reagents
Mol File 7632-00-0.mol

Sodium nitrite Properties

Melting Point 271 °C(lit.)
Boiling Point 320 °C
Density 1.29 g/mL at 25 °C
Storage Condition 2-8°C
Solubility aqueous acid 1 - 2μl acetic acid per ml H2O soluble
form powder
Water Solubility 820 g/L (20 ºC)
Sensibility Hygroscopic
Merck 14,8648
Stability Stable. Incompatible with reducing agents, strong oxidizing agents, organics and other flammable materials, finely powdered metals. Contact with combustible material may lead to fire. Hygroscopic.
CAS Database 7632-00-0(CAS Database Reference)
EPA Chemical Data Nitrous acid, sodium salt(7632-00-0)

Sodium nitrite Uses
Chemical Property white or straw yellow rhombic system crystal or powder, a little salty, dissolving in water and liquid ammonia, aqueous solution was alkaline.
Uses Sodium nitrite is used for making azoic dyes, sulfur dye, direct dye, acid dye, disperse dye, basic dye, dyeing auxiliary. It is also used for organic pigment, such as chlorinated para red, bright red, pigment scarlet, candle red, toluidine mauve, lithol red, etc. It is also used for making vanillin. It is widely used as bleaching agent and mordant, applied to cutting oil, lubricating oil, Antifreeze, hydraulic system.

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