Sodium azide
SIAL/S2002 - ReagentPlus®, ≥99.5%
Synonym: Hydrazoic acid sodium salt; NSC 3072
CAS Number: 26628-22-8
Empirical Formula (Hill Notation): N3Na
Molecular Weight: 65.01
EC Number: 247-852-1
MDL Number: MFCD00003536
Linear Formula: NaN3
Product Type: Chemical
assay | ≥99.5% |
biological source | synthetic (inorganic) |
form | powder |
InChI | 1S/N3.Na/c1-3-2;/q-1;+1 |
InChI key | PXIPVTKHYLBLMZ-UHFFFAOYSA |
mp | 370-425 °C |
product line | ReagentPlus® |
Quality Level | 200 ![]() |
SMILES string | [Na]N=[N+]=[N-] |
solubility | soluble 65 g/L at 20 °C (completely) |
Application: | Baylis-Hillman acetates such as ethyl 2-(acetoxyphenylmethyl)ac |
Application: | Catalyst for: • Oxidative decarboxylation • Michael addition reactions Reagent for synthesis of • Blue fluorescent copolymers • Metal phosphonates • Arenes via aminations Involved in regioselective synthesis of prianosin B |
General description: | Sodium azide is commonly used as a bacteriostatic preservative for biological samples and also as a source to generate gas in automobile airbags. It is also a metabolic inhibitor, which inhibits oxidative phosphorylation. |
Legal Information: | ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC |
Packaging: | 2 kg in poly bottle |
Packaging: | 25 kg in poly drum |
Packaging: | 5, 25, 100, 500 g in poly bottle |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H300 + H310 + H330 - H373 - H410 |
Precautionary statements | P262 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310 - P314 |
Hazard Codes | T+,N |
Risk Statements | 27-28-32-50/53 |
Safety Statements | 28-36/37-45-60-61 |
RIDADR | UN 1687 6.1 / PGII |
WGK Germany | WGK 2 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Supplemental Hazard Statements | EUH032 |
Purity | ≥99.5% |
mp | 370-425 °C |
UNSPSC | 12352201 |