Safety Data Sheet - Potassium nitrite

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Chemical Name Potassium nitrite

Product Form Substance

Catalogue No. AL3746

CAS Number 7758-09-0

EC Number 231-832-4

EC Index Number 007-001-00-1

Grade Extra Pure

HSN Code 28342100

Molecular Formula KNO2

SECTION 1: Identification of the substance/mixture and of the company/undertaking

1.1 Product identifier

Chemical Name Potassium nitrite

Catalogue No. AL3746

Product form Substance

CAS Number 7758-09-0

EC Number 231-832-4

Grade Extra Pure

EC Index Number 007-001-00-1

Chemical Formula KNO2

HSN Code 28342100

Synonyms Nitrous acid, potassium salt

Chemical Structure -

1.2 Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture Used as a food preservative and in organic synthesis as a diazotization reagent.

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 Ox. Sol. 2; Acute Tox. 3; Aquatic Acute 1

Classification source ECHA C&L Inventory via PubChem CID 516910 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements

2.2 Label elements

Hazard pictograms Oxidizer, Acute Toxic, Environmental Hazard

Signal word Danger

Hazard statements H272: May intensify fire; oxidizer; H301: Toxic if swallowed; H400: Very toxic to aquatic life

2.3 Other hazards

Other hazards Oxidizer; may cause fire or explosion in contact with combustible materials.

SECTION 3: Composition/information on ingredients

3.1 Substance

Name Potassium nitrite

CAS No. 7758-09-0

SECTION 4: First aid measures

4.1 Description of first aid measures

First-aid measures after inhalation Move to fresh air. If symptoms persist, seek medical attention.

First-aid measures after skin contact Wash with soap and water. If irritation occurs, seek medical attention.

First-aid measures after eye contact Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.

First-aid measures after ingestion Rinse mouth. Do not induce vomiting. 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.

SECTION 5: Fire-fighting measures

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 Evaporation at 20 °C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.

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. Avoid dust formation. Use appropriate protective equipment.

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 containers. Carefully collect remainder.

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. Use gloves and protective eyewear. Avoid contact with skin and eyes.

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 Fireproof. Provision to contain effluent from fire extinguishing. Separated from combustible substances, reducing agents and acids. Dry. Well closed.

SECTION 8: Exposure controls/personal protection

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 appropriate respiratory protection if dust is generated.

SECTION 9: Physical and chemical properties

9.1 Information on basic physical and chemical properties

Physical state Solid

Colour White to pale yellow

Odour Faint, characteristic

Odour threshold Not specified

pH value ~7

Relative evaporation rate (butylacetate=1) Not specified

Melting point 441 °C with decomp starting at 350 °C

Freezing point Not specified

Boiling point 537 °C (explodes)

Flash point Not applicable

Auto-ignition temperature Not applicable

Decomposition temperature Not specified

Flammability (solid, gas) Not flammable under normal conditions

Vapour pressure Not applicable

Relative vapour density at 20°C Not applicable

Density 1.915

Solubility 312 g/100g of water at 25 °C

Log Pow Not specified

Viscosity, kinematic Not applicable

Viscosity, dynamic Not applicable

Explosive properties Not explosive

Oxidising properties Oxidizer

Explosive limits Not applicable

SECTION 10: Stability and reactivity

10.1 Reactivity

Reactivity Stable under normal conditions; may react with strong acids and bases.

10.2 Chemical stability

Chemical stability Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

Possibility of hazardous reactions May explode on heating above 530 °C. Decomposes on contact with even weak acids. This produces toxic fumes of nitrogen oxides. The substance is a strong oxidant.

10.4 Conditions to avoid

Conditions to avoid Avoid contact with incompatible materials and excessive heat.

10.5 Incompatible materials

Incompatible materials Strong acids, strong bases, and reducing agents.

10.6 Hazardous decomposition products

Hazardous decomposition products Upon decomposition it emits toxic fumes of potassium oxide.

SECTION 11: Toxicological information

11.1 Information on toxicological effects

Acute toxicity LD50 Rabbit oral 108 mg anion/kg; LC50 Mouse inhalation 85 gcu m2 hr

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 1488

UN-No. (IMDG) UN 1488

UN-No. (IATA) UN 1488

UN-No. (ADN) UN 1488

UN-No. (RID) UN 1488

14.2 UN proper shipping name

Proper Shipping Name (ADR) Potassium nitrite

Proper Shipping Name (IMDG) Potassium nitrite

Proper Shipping Name (IATA) Potassium nitrite

Proper Shipping Name (ADN) Potassium nitrite

Proper Shipping Name (RID) Potassium nitrite

14.3 Transport hazard class(es)

Transport hazard class(es) 5.1

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.