Sodium Azide

Synonyms: Azide of sodium, Sodium azide, Sodium azid

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name Sodium Azide
Product Form Substance
Catalogue No. AL4073
CAS Number 26628-22-8
EC Number 247-852-1
EC Index Number 011-004-00-7
Grade For Molecular Biology
HSN Code 28500030
Molecular Formula NaN3
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name Sodium Azide
Catalogue No. AL4073
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
Chemical Structure -
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
SECTION 2: Hazards identification
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 Acute Tox. 2; Aquatic Acute 1; Aquatic Chronic 1
Classification source ECHA C&L Inventory via PubChem CID 33557 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 Label elements
Hazard pictograms Acute Toxic, Environmental Hazard
Signal word Danger
Hazard statements H300: Fatal if swallowed; H400: Very toxic to aquatic life; H410: Very toxic to aquatic life with long lasting effects
2.3 Other hazards
Other hazards Highly toxic, potential for explosive reactions with heavy metals
SECTION 3: Composition/information on ingredients
3.1 Substance
Name Sodium Azide
CAS No. 26628-22-8
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
First-aid measures after skin contact If this chemical contacts the skin, immediately flush the contaminated skin with water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. Get medical attention promptly.
First-aid measures after eye contact If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
First-aid measures after ingestion If this chemical has been swallowed, get 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.
SECTION 5: Fire-fighting measures
5.1 Extinguishing media
Suitable extinguishing media Dry powder.
Unsuitable extinguishing media Not specified
5.2 Special hazards arising from the substance or mixture
Special procedures - Sodium azide will initially sink in water. ; - Sodium azide is decomposed by sunlight and irradiation.
5.3 Advice for firefighters
Protection during firefighting Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6: Accidental release measures
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 Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered plastic containers. If appropriate, moisten first to prevent dusting.
6.4 Reference to other sections
Reference Not specified
SECTION 7: Handling and storage
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 Separated from food and feedstuffs, acids and metals. See Chemical Dangers. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.
SECTION 8: Exposure controls/personal protection
8.2 Exposure controls
Hand protection Handle with gloves.
Eye protection Face shield and safety glasses. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin and body protection Wear suitable protective clothing
Respiratory protection Use a NIOSH-approved respirator if exposure limits are exceeded.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state Solid
Colour White
Odour Odorless (with traces of water fishy smelling because of HN3 formation)
Odour threshold Not applicable
pH value 7 (in solution)
Relative evaporation rate (butylacetate=1) Not applicable
Melting point 275 °C (decomp)
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 1 Pa at 20 °C
Relative vapour density at 20°C 1.5
Density 1.846 at 20 °C
Solubility In water, 41.0 g/100 mL at 17 °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
SECTION 10: Stability and reactivity
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 Decomposes on heating above 275 °C . This produces toxic fumes. This generates fire and explosion hazard. Reacts with copper, lead, silver, mercury and carbon disulfide.
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 Hazardous decomposition products formed under fire conditions - Sodium oxides.
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity LD50 Rat oral 45 mg/kg; LD50 Mouse sc 23 mg/kg; LD50 Rat sc 45 mg/kg
Skin corrosion/irritation Not classified (based on available data)
Serious eye damage/irritation Not classified (based on available data)
Respiratory or skin sensitisation Not classified (based on available data)
Germ cell mutagenicity Not classified (based on available data)
Carcinogenicity Not classified (based on available data)
Specific target organ toxicity (single exposure) Not classified (based on available data)
Specific target organ toxicity (repeated exposure) Not classified (based on available data)
SECTION 12: Ecological information
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
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
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
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations Not specified
SECTION 16: Other Information
Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.