Safety Data Sheet

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

Chemical Name Selenium

Product Form Substance

Catalogue No. AL3964

CAS Number 7782-49-2

EC Number 231-957-4

EC Index Number -

Grade 99.99% electronic grade

HSN Code 28049000

Molecular Formula Se

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

1.1 Product identifier

Chemical Name Selenium

Catalogue No. AL3964

Product form Substance

CAS Number 7782-49-2

EC Number 231-957-4

Grade 99.99% electronic grade

EC Index Number Not specified

Chemical Formula Se

HSN Code 28049000

Synonyms Elemental Selenium

Chemical Structure -

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

Use of the substance/mixture Used in electronics and glass manufacturing as a semiconductor and colorant.

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. 3; STOT RE 2; Aquatic Chronic 4

Classification source ECHA C&L Inventory via PubChem CID 6326970 - 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, Health Hazard

Signal word Danger

Hazard statements H301: Toxic if swallowed; H331: Toxic if inhaled; H373: May causes damage to organs through prolonged or repeated exposure; H413: May cause long lasting harmful effects to aquatic life

2.3 Other hazards

Other hazards Toxic; may cause respiratory irritation and skin sensitization.

SECTION 3: Composition/information on ingredients

3.1 Substance

Name Selenium

CAS No. 7782-49-2

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 wash the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing, wash the skin with soap and water, and 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 respiratory irritation, skin irritation, and gastrointestinal 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 Selenium is not flammable but may emit toxic fumes in a fire.

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.

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. 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 gloves and avoid inhalation of dust. Use in a well-ventilated area.

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 strong oxidants, strong acids and food and feedstuffs. Dry. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

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 Gray to black

Odour Odourless

Odour threshold Not applicable

pH value Not applicable

Relative evaporation rate (butylacetate=1) Not applicable

Melting point 200 °C

Freezing point Not applicable

Boiling point 685 °C at 760 mmHg

Flash point Not applicable

Auto-ignition temperature Not applicable

Decomposition temperature Not applicable

Flammability (solid, gas) Not flammable

Vapour pressure 1 Pa at 227 °C; 10 Pa at 279 °C; 100 Pa at 344 °C; 1 kPa at 431 °C; 10 kPa at 540 °C; 100 kPa at 685 °C

Relative vapour density at 20°C Not applicable

Density 4.39 gcu cm (alpha form); 4.809 gcu cm (gray selenium); 4.28 g/cu cm (vitreous selenium)

Solubility Soluble in aq potassium cyanide soln, potassium sulfite soln, dilute aqueous caustic alkali soln

Log Pow Not applicable

Viscosity, kinematic Not applicable

Viscosity, dynamic Not applicable

Explosive properties Not explosive

Oxidising properties Not oxidizing

Explosive limits Not applicable

SECTION 10: Stability and reactivity

10.1 Reactivity

Reactivity Stable under normal conditions, but reacts with strong oxidizers.

10.2 Chemical stability

Chemical stability Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

Possibility of hazardous reactions Upon heating, toxic fumes are formed. Reacts with oxidants and strong acids. Reacts , if in amorphous form, with water at 50 °C. This produces flammable/explosive gas (hydrogen) and selenious acids.

10.4 Conditions to avoid

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

10.5 Incompatible materials

Incompatible materials Strong oxidizing agents, strong acids.

10.6 Hazardous decomposition products

Hazardous decomposition products When heated to decomp emits toxic fumes of selenium.

SECTION 11: Toxicological information

11.1 Information on toxicological effects

Acute toxicity Toxic if inhaled or ingested; may cause skin irritation.

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) H373: May causes damage to organs through prolonged or repeated exposure

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 3288

UN-No. (IMDG) UN 3288

UN-No. (IATA) UN 3288

UN-No. (ADN) UN 3288

UN-No. (RID) UN 3288

14.2 UN proper shipping name

Proper Shipping Name (ADR) Selenium, solid

Proper Shipping Name (IMDG) Selenium, solid

Proper Shipping Name (IATA) Selenium, solid

Proper Shipping Name (ADN) Selenium, solid

Proper Shipping Name (RID) Selenium, solid

14.3 Transport hazard class(es)

Transport hazard class(es) 6.1

14.4 Packing group

Packing group (ADR) III

Packing group (IMDG) III

Packing group (IATA) III

Packing group (ADN) III

Packing group (RID) III

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.