Sodium Azide
- CAS Number
- 26628-22-8
- HSN Code
- 28500030
- Molecular Formula
- NaN3
- Catalogue Number
- AL1350B
- Purity
- 99.5%
- Molecular Weight
- 65.01 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium azide is a highly toxic compound with the molecular formula NaN3, known for its use in molecular biology applications. This specific grade, with a purity of 99.5%, is specially purified for use as a preservative in buffer and reagent solutions in biological research. Sodium azide is notable for its ability to inhibit the growth of bacteria and fungi, making it an essential component in various laboratory settings. Its CAS number is 26628-22-8, and it is classified under HS Code 28500030, indicating its chemical nature and regulatory status.
Also known as Azide of sodium, Sodium azide, Sodium azid.
- Catalogue No.
- AL1350B
- CAS Number
- 26628-22-8
- Molecular Formula
- NaN3
- Molecular Weight
- 65.01 g/mol
- HSN Code
- 28500030
- Grade
- For Molecular Biology
- Product Form
- Substance
Sodium azide appears as a white crystalline powder. It has a melting point of approximately 300 °C (decomposes), and a boiling point of 100 °C (decomposes). The density of sodium azide is about 1.85 g/cm³. It is soluble in water, with a solubility of approximately 50 g/L at 20 °C, and it has a pH of around 7 in solution. The compound is odorless and has a relative vapor density of 1.5, indicating that it is heavier than air.
- Appearance
- White crystalline powder
- Shelf Life
- Stable under recommended storage conditions
- Packaging
- Available in various sizes, typically in sealed containers to prevent moisture absorption
- Storage
- Store in a cool, dry place, away from incompatible materials and sources of ignition.
1.1 — Product identifier
- Chemical Name
- Sodium Azide
- Catalogue No.
- AL1350B
- Product form
- Substance
- CAS Number
- 26628-22-8
- EC Number
- 247-852-1
- Grade
- For Molecular Biology
- EC Index Number
- 011-004-00-7
- Chemical Formula
- NaN3
- HSN Code
- 28500030
- Synonyms
- Azide of sodium, Sodium azide, Sodium azid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Preservative in biological research and buffer solutions
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Highly toxic, potential for explosive reactions with heavy metals
3.1 — Substance
- Name
- Sodium Azide
- CAS No.
- 26628-22-8
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Wash with soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include headache, dizziness, nausea, and respiratory distress.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- May produce toxic fumes in a fire. Use water spray to cool containers exposed to fire.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate protective equipment. Contain and collect spillage.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate personal protective equipment. Collect spillage in suitable containers for disposal.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with care, using appropriate personal protective equipment (PPE) including gloves and goggles. Avoid inhalation and contact with skin.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, away from incompatible materials such as heavy metals and acids.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use a NIOSH-approved respirator if exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 7 (in solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 300 °C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- 100 °C (decomposes)
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Decomposes above 300 °C
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- 1.5
- Density
- 1.85 g/cm³
- Solubility
- 50 g/L in water at 20 °C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Can react explosively with heavy metals
- Oxidising properties
- Not an oxidizer
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions but can react violently with heavy metals and strong acids.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Heavy metals, strong acids, and oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Highly toxic; LD50 (oral, rat) is approximately 27 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reactions in sensitive individuals.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 1687
- UN-No. (IMDG)
- UN 1687
- UN-No. (IATA)
- UN 1687
- UN-No. (ADN)
- UN 1687
- UN-No. (RID)
- UN 1687
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium azide
- Proper Shipping Name (IMDG)
- Sodium azide
- Proper Shipping Name (IATA)
- Sodium azide
- Proper Shipping Name (ADN)
- Sodium azide
- Proper Shipping Name (RID)
- Sodium azide
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Sodium azide is widely used in molecular biology as a bacteriostatic preservative in buffer solutions and antibody-storage preparations. It is also utilized in the synthesis of various azide compounds in organic chemistry and serves as a reagent in the preparation of nitrous oxide. Additionally, sodium azide is employed in the production of explosives and as a biocide in laboratory settings. Its role in preserving biological samples makes it invaluable in research and diagnostic applications.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1350B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 65.01 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay Purity | 99.5% min | 99.7% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | 50 g/L in water at 20 °C | 52 g/L in water at 20 °C |
The above product is expected to comply with For Molecular Biology grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| For Molecular Biology | 99.5% | Decomposes at 300 °C | <0.5% | <0.1% | None detected | 50 g/L in water at 20 °C |
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