Sodium azide
SIAL/S2002 - ReagentPlus®, ≥99.5%
Synonym: Hydrazoic acid sodium salt
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
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2002-100G
This image depicts SKU: S2002-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2002-500G
This image depicts SKU: S2002-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2002-2KG
This image depicts SKU: S2002-2KG
| application(s) | sample preparation |
| assay | ≥99.5% |
| biological source | synthetic (inorganic) |
| color | white |
| 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) |
| storage condition | (Tightly closed. Dry. Keep in a well-ventilated place. Do not store near acids.) |
| suitability | suitable for chromatography |
| suitable for derivatization | |
| technique(s) | cell based assay: suitable |
| immunohistochemistry: suitable |
| Application: | Baylis-Hillman acetates such as ethyl 2-(acetoxyphenylmethyl)ac |
| Application: | Sodium azide is suitable for use in histopathology to prepare and store tissue samples. Also used as a component of staining buffer (HEPES buffer) for whole mount immunolabelling. Catalyst for: • Oxidative decarboxylation • Michael addition reactions Reagent for synthesis of • Blue fluorescent copolymers • Metal phosphonates • Arenes via aminations |
| Biochem/physiol Actions: | Sodium azide is clinically used as a preservative in diluting fluid for counting red blood cells. It prevents capping and internalization of fluorescent surface-bound antibodies in various scientific applications, including flow cytometry. |
| General description: | Sodium Azide (NaN3) is a potent inhibitor – a water-soluble crystalline powder that′s odorless. Widely recognized for its versatile applications, it plays a pivotal role across molecular biology, cell culture, and biochemical research. Sodium azide is commonly used as a bacteriostatic preservative in aqueous laboratory reagents and biological fluids. It is also a metabolic inhibitor, which inhibits oxidative phosphorylation. In cell culture, it maintains the integrity of your cell lines by preventing microbial contamination. Its application extends to molecular biology, where it aids in preserving nucleic acids for downstream analysis, ensuring the fidelity of your results. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Other Notes: | For additional information on our range of Biochemicals , please complete this form . |
| Packaging: | 2 kg in poly bottle |
| Packaging: | 25 kg in poly drum |
| Packaging: | 5, 25, 100, 500 g in poly bottle |
| Symbol |    GHS06,GHS08,GHS09 |
| 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 |