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CAS Number: 7783-08-6
Product Catalog
93-3420
Selenium › Selenic acid, 40% solution| CAS Number: | 7783-08-6 |
| MDL Number: | MFCD00012191 |
| Molecular Formula: | H2O4Se |
| Molecular Weight: | 144.97 |
| Chemical Formula: | H2SeO4 |
| Color and Form: | colorless liq. |
| Note: |
Safety: Hazardous
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Selenic acid, 40% solution |
| Product Number: | 93-3420 |
| CAS Registry Number: | 7783-08-6 |
| Formula: | H2SeO4 |
| EINECS Number: | 231-979-4 |
| Chemical Family: | selenium oxy-acid |
| Synonym: | none |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 7783-08-6 | 40 | .2mg(Se)/m3 | .2mg(Se)/m3 |
| water | 7732-18-5 | 60 | no data | no data |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Toxic by inhalation, in contact with skin and if swallowed. Corrosive to skin, eyes and respiratory tract. Danger of cumulative effects. |
| Primary Routes of Exposure: | Ingestion, inhalation, skin, eyes |
| Eye Contact: | Causes burns to the eyes. |
| Skin Contact: | Causes burns to the skin, and upon repeated contact, dermatitis. May be absorbed through the skin. |
| Inhalation: | Toxic and corrosive by inhalation. |
| Ingestion: | Toxic if swallowed. Ingestion may lead to nausea, vomiting, diarrhea, weakness, and chronic diseases. |
| Acute Health Effects: | Corrosive to skin, eyes and respiratory tract. Toxic by inhalation, in contact with skin and if swallowed. May cause vomiting, bloody diarrhea, weakness, chills, headache, and delayed pulmonary ede |
| Chronic Health Effects: | Danger of cumulative effects. Prolonged exposure to selenium compounds may cause dermatitis, diarrhea, liver damage, nervous disorders, lameness, and loss of vitality. Equivocal tumorigenic agent by RTECS criteria. Reproductive effector. |
| NTP: | No |
| IARC: | No |
| OSHA: | No |
| SECTION 4: First Aid Measures | |
|---|---|
| Eye Exposure: | Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention. |
| Skin Exposure: | Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. |
| Inhalation: | Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing or pain. In such cases seek immediate medical assistance. |
| Ingestion: | Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel. |
| SECTION 5: Fire Fighting Measures | |
|---|---|
| Flash Point: | no data |
| Autoignition Temperature: | no data |
| Explosion Limits: | no data |
| Extinguishing Medium: | None required |
| Special Fire Fighting Procedures: | If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure self-contained breathing apparatus. |
| Hazardous Combustion and Decomposion Products: | If involved in a fire, this material may emit toxic and corrosive fumes. |
| Unusual Fire or Explosion Hazards: | No unusual fire or explosion hazard. |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Small spills can be absorbed into vermiculite or other suitable adsorbent. Sweep up the material and dispose of properly. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | Store the material in a sealed container. |
| SECTION 8: Exposure Controls and Personal Protection | |
|---|---|
| Eye Protection: | Always wear approved safety glasses when handling a chemical substance in the laboratory. |
| Skin Protection: | The material is corrosive and can be absorbed through the skin. Wear gloves and full protective clothing. |
| Ventilation: | Handle the material in an efficient fume hood. |
| Respirator: | If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory Protection Program to be in compliance with 29 CFR 1910.134. |
| Additional Protection: | May be corrosive and absorbed through the skin. Wear gloves and full protective clothing. |
| SECTION 9: Physical and Chemical Properties | |
|---|---|
| Color and Form: | colorless liq. |
| Molecular Weight: | 144.97 |
| Melting Point: | no data |
| Boiling Point: | no data |
| Vapor Pressure: | no data |
| Specific Gravity: | no data |
| Odor: | not determined |
| Solubility in Water: | material is a water solution |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable |
| Hazardous Polymerization: | no hazardous polymerization. |
| Conditions to Avoid: | none |
| Incompatibility: | strong bases and active metals |
| Decomposition Products: | selenium oxide |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | No information available in the RTECS files. |
| Carcinogenic Effects: | no data |
| Mutagenic Effects: | Mutagen |
| Tetratogenic Effects: | no data |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | Inorganic selenium is toxic for aquatic organisms. Must be <0.05 mg/l in drinking water 40CFR141.51 |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Neutralize the acid with lime or sodium bicarbonate. Commercial kits are available for cleaning up acid spills. Dispose of according to local, state and federal regulations. |
| SECTION 14: Transportation | |
|---|---|
| Shipping Name (CFR): | Selenic acid |
| Hazard Class (CFR): | 8 |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | I |
| UN ID Number (CFR): | UN# 1905 |
| Shipping Name (IATA): | Selenic acid |
| Hazard Class (IATA): | 8 |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | I |
| UN ID Number (IATA): | UN# 1905 |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in the TSCA inventory. |
| SARA (Title 313): | Title compound: See category code N725 for reporting. |
| Second Ingredient: | not listed |
| Third Ingredient: | none |
| SECTION 16: Other Information | |
|---|---|
| Disclaimer: | The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information. |
| Preparation Date: | 9/12/2003 |
| Revision Date: | 7/29/2011 |
