Sodium Nitrate Reagent grade A.R. Reagent grade C.P. USP31
Item Index Index Index
Assay % ≥99 ≥98 97.0-101.0
Clarity test Pass Pass ——
Water insoluble% ≤0.002 ≤0.01 ——
Drying loss % —— —— ≤0.25
Chlorides(Cl) % ≤0.005 ≤0.04 ——
Sulphates(SO4)% ≤0.005 ≤0.03 ——
K% ≤0.001 ≤0.005 ——
Ca% ≤0.005 —— ——
Fe% ≤0.0005 ≤]0.001 ——
Heav metal(as Pb) ≤0.0002 ≤0.001 ≤0.002


Packing& Storage

Packing In 25Kg/woven bag lined with double-layer plastic bag
Storage 20℃, 2 years.
Shipping Room temperature in China; may vary elsewhere


General Information

1.1 Chemical & Physical Properties

Common Names Sodium nitrite |
Sodium nitrite solution
CAS No. 7632-00-0 Boiling Point (℃) 320 °C
Molecular Weight 68.995 Melting Point (℃) 271 °C(lit.)
Appearance White or light yellow fine crystal, odorless, slightly salty, easy to deliquescence Vapor Specific Gravity N/A
HS Code 2834299090 Flash Point (℃) N/A
Solubility Soluble in water, slightly soluble in ethanol, methanol, ether. Autoignition Temperature (℃) N/A


1.2 Safety Information

Safety Phrases S45-S61-S36-S26
RIDADR UN 3219 5.1/PG 3
WGK Germany 3
Packaging Group  III
Hazard Class 5.1


Inhalation Cough. Sore throat. Use local exhaust or breathing protection. Fresh air, rest.
Skin Redness. Burning sensation. Itching. Protective gloves. Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness. Pain. Wear safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion Abdominal pain. Nausea. Vomiting. Do not eat, drink, or smoke during work. Wash hands before eating. Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention .


1.3 Synthetic Route