| Product Identification | Back to Contents | 【Product Name】
Pyridine sulfur trioxide | 【Synonyms】
Pyridine, compound with sulfur trioxide (1:1) | 【CAS】
26412-87-3 | 【Formula】
C5H5NO3S | 【Molecular Weight】
159.16 | 【EINECS】
247-683-3 | 【Beilstein/Gmelin】
3704116 | 【Beilstein Reference】
5-20-05-00184 | 【EC Class】
harmful, irritant |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
May be harmful if swallowed. Causes digestive tract irritation. | 【Inhalation】
Causes respiratory tract irritation. Causes irritation of mucous membrane. | 【Skin】
Causes mild skin irritation. | 【Eyes】
Causes severe eye irritation. | 【EC Risk Phrase】
R 22 34 | 【EC Safety Phrase】
S 26 36/37/39 45 | 【UN (DOT)】
3261 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. |
| Fire Fighting Measures | Back to Contents | 【Autoignition】
> 350 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
12 | 【Incompatibilities】
Metals, strong oxidizing agents, moisture, diphenylmercury. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Nitrogen oxides, carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide, nitrogen. |
|
|