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SDS of Selenious Acid Pure & USP Grade Manufacturers
CAS Number 7783-00-8
Selenious Acid USP Grade Manufacturers.
Selenious acid SDS, Safety Data Sheet
MSDS, Material Safety Data Sheet 05-Sept-22
Section 1. Product Information
Product Name & Other Names: Selenious acid or Selenous acid
Chemical Formula: H2SeO3
Molecular Weight: 128.97
CAS No.: 7783-00-8
EINECS EC Number: 231-974-7
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Section 2: Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 3), H301
Acute toxicity, Inhalation (Category 3), H331
Specific target organ toxicity - repeated exposure (Category 2), H373
Chronic aquatic toxicity (Category 1), H410
Labelling according GHS & Regulation (EC) No 1272/2008
GHS Label Elements  Aquatic Toxicity |
GHS Label Elements |
GHS Label Elements |
Signal Words: Danger
Hazard statements:
H301 Toxic if swallowed.
H331 Toxic if inhaled.
H373 May cause damage to organs through prolonged or repeated exposure.
H410 Very toxic to aquatic life with long lasting effects.
Precautionary statements:
P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P264: Wash --- thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P314: Get medical advice/attention if you feel unwell.
P330: Rinse mouth.
P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P391: Collect spillage.
P405: Store locked up.
P403+233: Store in a well-ventilated place. Keep container tightly closed.
P501: Dispose of contents/container in accordance with local/regional/national/international regulation.
Section 3: Composition and Information on Ingredients
Product Name & Other Names: Selenious acid or Selenous acid
CAS No.: 7783-00-8
EINECS EC Number: 231-974-7
Section 4. First Aid & Procedure
Always get medical attention after the first aid is over.
Ingestion: Induce vomiting immediately as directed by medical personnel. Never give anything by mouth to an unconscious person. Get medical attention.
Skin: Immediately flush skin with plenty of water for at least 15 minutes. Remove and wash contaminated clothing and shoes before reuse. Get medical attention if irritation develops.
Eyes: Immediately flush eyes with plenty of water for 15 minutes, occasionally lifting upper and lower eyelids. Hold eyelids apart during irrigation. Get medical attention.
Inhalation: Remove person to fresh air. If breathing is difficult, give oxygen. If not breathing administer artificial respiration. Get medical attention.
Section 5. Fire Fighting Measures
Flash Point: N/A
Extinguishing Medium: Water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Fire Fighting Instructions: Use suitable protective equipment for surrounding fire.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used.
Section 6. Spills and Disposals
Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage: Do not inhale vapors, mist, or gas. Avoid dust formation. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Use a shovel to put the material into a convenient waste disposal container.
Section 7. Handling and Storage
Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Avoid prolonged or repeated exposure. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.).
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, organic materials, powdered metals.
Section 8. Exposure Controls & Personal Protection
Exposure Limits for Selenious acid:
OSHA PEL: 0.2 mg/COM Ceiling for Selenium compounds (as Se).
ACGIH TLV: 0.2 mg/CBM (TWA) Selenium compounds (as Se).
Engineering Controls: Use adequate exhaust ventilation to keep airborne concentrations below the allowable exposure limit.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.
Section 9. Physical & Chemical Data
Appearance: Selenious acid is solid.
Odor: Not available.
Odor threshold: Not available.
pH: Not available.
Relative density: around 3
Melting Point: 70C
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: Easily soluble in water, insoluble in ethanol
Viscosity: Not available.
Section 10. Stability and Reactivity
Chemical Stability: Stable under normal temperatures and pressures.
Incompatibility (Materials to Avoid): Strong reducing agents, Organic materials, Powdered metals.
Conditions to Avoid: Incompatible materials, exposure to moist air or water, excessive heat.
Hazardous Decomposition Products: selenium Oxide and fumes.
Hazardous Polymerization: Will not occur.
Section 11. Toxicological Information
Toxicity to Animals: LD50 Intravenous - mouse - 11 mg/kg. LD50 Dermal 4 mg/kg (Rabbit). LD50 (oral, rat) value of 68.1 mg/kg
Carcinogenicity: Not listed as a suspected/confirmed carcinogen by ACGIH, IARC, NTP, SHA.
Teratogenic Effects: Not available.
Mutagenic Effects: Possible for humans. Laboratory experiments have shown mutagenic effects.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.
Specific target organ toxicity: repeated exposure: May cause damage to organs through prolonged or repeated exposure.
Section 12. Ecological Information
Ecotoxicity: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Results of PBT and vPvB Assessment: Not available.
Persistence and Degradability: Soluble in water. Persistence is unlikely.
Mobility: Likely to be mobile due to water solubility.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.
Section 13. Disposal Suggestions
Dispose of in accordance with all applicable local, state, and federal regulations at an approved waste disposal facility.
Section 14. Transport and Label Information
DOT USA, TDG Canada & ADR/RID Europe:
UN-No UN3283
Proper Shipping Name SELENIUM COMPOUND, N.O.S
Proper technical name: Selenous acid
Hazard Class 6.1
Packing Group III
IMDG/IMO
UN-No UN3283
Proper Shipping Name SELENIUM COMPOUND, N.O.S
Hazard Class 6.1
Packing Group III
IATA:
UN-No UN3283
Proper Shipping Name SELENIUM COMPOUND, N.O.S
Hazard Class 6.1
Packing Group III
Section 15. Regulatory Information
USA:
California Proposition 65: Not listed.
SARA 311/312: Acute Health Hazard; Chronic Health Hazard. See section 2.
Section 16. Other Information
Disclaimer:
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Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.
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Selenious Acid
Selenious Acid Manufacturers:
Muby Chemicals & Associated Cos
BANDEALI BUILDING, CHINCHBUNDER, MUMBAI 400009, INDIA.
TEL: 91-22-23728264. Gujarat & Mumbai India.
info(At the Rate i.e. @)mubychem(dot)com
Copyright and Usual Disclaimer is Applicable
Last updated
5-sep-22
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