Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- Selenous acid
- Product Code
- 10855
Regulatory Identifiers
- CAS Number
- 7783-00-8 Check regulations →
- EC Number
- 231-974-7 Check regulations →
Identified Uses
SU24 Scientific research and development
Manufacturers & Suppliers
Alfa Aesar, Thermo Fisher Scientific Chemicals, Inc.
manufacturer
30 Bond Street, Ward Hill, MA 01835-8099
800-343-0660
http://www.alfa.com
Emergency Contacts
Emergency Contact
(800) 343-0660
Monday-Friday, 8am-7pm EST
Carechem 24
(866) 928-0789
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS06
GHS08
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Selenous acid EC: 231-974-7 | 7783-00-8 | --- | No |
First Aid Measures
Emergency procedures for chemical exposure incidents
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
Rinse opened eye for several minutes under running water. Then consult a doctor.
Do not induce vomiting; immediately call for medical help.
Immediate Medical Attention
Seek immediate medical advice.
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
CO2, extinguishing powder or water spray. Fight larger fires with water spray.
If this product is involved in a fire, the following can be released: Toxic metal oxide fume
Firefighter Protection
Wear self-contained respirator. Wear fully protective impervious suit.
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
Wear protective equipment. Keep unprotected persons away.
Do not allow material to be released to the environment without proper governmental permits.
Related Products
Similar products with comparable safety profiles
Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
Keep container tightly sealed. Open and handle container with care.
Store in cool, dry place in tightly closed containers. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
No information known.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer.
Tightly sealed goggles. Full face protection.
Use self-contained respiratory protective device in emergency situations.
Protective work clothing.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
Stable under recommended storage conditions.
No information known.
No dangerous reactions known
No further relevant information available.
Oxidizing agents, Chlorine
Toxic metal oxide fume
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
The data for this section has not been processed yet.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
Consult state, local or national regulations to ensure proper disposal.
Consult state, local or national regulations to ensure proper disposal.
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
- UN Number
- UN3290
- Shipping Name
- Toxic solid, corrosive, inorganic, n.o.s. (selenous acid)
- Transport Class
- 6.1
- Packing Group
- II
Warning: Toxic substances
Warning: Toxic substances
Warning: Toxic substances
Regulatory Information
Chemical regulations, safety assessments, and compliance status
Frequently Asked Questions
Common questions about safety, handling, and properties
What is the hazard signal word for Selenous acid?
The signal word is danger.
What is the physical form of Selenous acid?
Selenous acid is a crystalline appearing as crystalline with colorless color. It has odorless odor.
What is Selenous acid used for?
SU24 Scientific research and development
What are the hazard statements for Selenous acid?
This substance has 2 hazard statements:
- H301 + H331: Toxic if swallowed or if inhaled.
- H373: May cause damage to the central nervous system, the liver and the digestive system through prolonged or repeated exposure. Route of exposure: Oral, Inhalative.
What is the melting point of Selenous acid?
The melting point is 70 °C (158 °F) and the boiling point is Not determined.