CAS 7446-11-9|Sulfur trioxide
Introduction：Basic information about CAS 7446-11-9|Sulfur trioxide, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Sulfur trioxide | ||
|---|---|---|---|
| CAS Number | 7446-11-9 | Molecular Weight | 80.06320 |
| Density | 1.97 g/mL at 25 °C(lit.) | Boiling Point | 44.8 °C |
| Molecular Formula | O3S | Melting Point | 16.8 °C(lit.) |
| MSDS | ChineseUSA | Flash Point | / |
| Symbol | GHS05, GHS07 | Signal Word | Danger |
Names
| Name | sulfur trioxide |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 1.97 g/mL at 25 °C(lit.) |
|---|---|
| Boiling Point | 44.8 °C |
| Melting Point | 16.8 °C(lit.) |
| Molecular Formula | O3S |
| Molecular Weight | 80.06320 |
| Exact Mass | 79.95680 |
| PSA | 83.30000 |
| LogP | 0.29180 |
| Vapour density | 2.8 (vs air) |
| Vapour Pressure | 280 mm Hg ( 25 °C) |
| InChIKey | AKEJUJNQAAGONA-UHFFFAOYSA-N |
| SMILES | O=S(=O)=O |
| Stability | Stable. Incompatible with organic materials, finely powdered metals, bases, water, cyanides and a wide variety of other chemicals. Reacts violently with water, oxygen and other chemicals - read a full data sheet before use. |
| Water Solubility | reacts violently |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 30 mg/m3
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Lungs, Thorax, or Respiration - cough Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- JPBAA7 Journal of Pathology and Bacteriology. (London, UK) V.1-96, 1892-1968. For publisher information, see JPTLAS. Volume(issue)/page/year: 68,197,1954
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 30 mg/m3/6H
- TOXIC EFFECTS :
- Liver - hepatitis (hepatocellular necrosis), diffuse Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Endocrine - other changes
- REFERENCE :
- JPBAA7 Journal of Pathology and Bacteriology. (London, UK) V.1-96, 1892-1968. For publisher information, see JPTLAS. Volume(issue)/page/year: 68,197,1954 *** REVIEWS *** IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,41,1992 IARC Cancer Review:Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 54,41,1992 TOXICOLOGY REVIEW AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 16,903,1968 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND:STEL 1 ppm (3 mg/m3);Skin JAN 1993 OEL-HUNGARY:STEL 1 mg/m3 JAN 1993 OEL-POLAND:TWA 1 mg/m3 JAN 1993 OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M0745 No. of Facilities: 1316 (estimated) No. of Industries: 20 No. of Occupations: 39 No. of Employees: 51404 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0745 No. of Facilities: 2524 (estimated) No. of Industries: 17 No. of Occupations: 27 No. of Employees: 56102 (estimated) No. of Female Employees: 3077 (estimated)
Safety Information
| Symbol | GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314-H335 |
| Supplemental HS | Reacts violently with water. |
| Precautionary Statements | P261-P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US) |
| Hazard Codes | C:Corrosive; |
| Risk Phrases | R14;R34 |
| Safety Phrases | S53-S17-S26-S36/37/39-S45-S8-S25 |
| RIDADR | UN 1829 8/PG 1 |
| WGK Germany | 1 |
| RTECS | WT4830000 |
| Packaging Group | I |
| Hazard Class | 8 |
Articles33
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Synonyms
| Schwefeltrioxid |
| MFCD00011452 |
| SULPHUR TRIOXIDE |
| Sulfan |
| Sulfur oxide (SO3) |
| Sulfuric oxide |
| SULFAN(R) |
| sulfuric acid anhydride |
| SO3 |
| EINECS 231-197-3 |
| Sulfur trioxide |
| SULFURIC ANHYDRIDE |
| sulfur(VI) oxide |
