Product Identification
【Product Name】N-Carbonylsulfamyl chloride
【Synonyms】Chlorosulfonyl isocyanate；氯磺酸异氰酸酯
【CAS】1189-71-5
【Formula】CClNO3S
【Molecular Weight】141.53
【EINECS】214-715-2
【Beilstein/Gmelin】1237247
【Beilstein Reference】4-03-00-00086
【EC Class】harmful, corrosive, sensitizing
Physical and Chemical Properties
【Appearance】Very slightly yellow liquid.
【Solubility in water】Slightly soluble
【Melting Point】-44℃
【Boiling Point】107℃
【Vapor Pressure】193 (20℃)
【Density】1.62 g/cm3
【Usage】Chlorination agent.
【Vapor Density】4.88
【Refractive Index】1.4467 (20℃)
First Aid Measures
【Ingestion】Do NOT induce vomiting. 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 breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
【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. Discard contaminated clothing in a manner which limits further exposure. Destroy contaminated shoes.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).
Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C).
【Handling】Wash thoroughly after handling. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Use with adequate ventilation. Discard contaminated shoes.
Hazards Identification
【Ingestion】May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.
【Inhalation】Causes chemical burns to the respiratory tract.
【Skin】May cause skin irritation. Causes skin burns.
【Eyes】May cause eye irritation. Causes eye burns.
【Hazards】Vapors form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. Most vapors are heavier than air. They will sp along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff.
【EC Risk Phrase】R 14 22 34 42/43
【EC Safety Phrase】S 23.2 26 36/37/39 45
【UN (DOT)】3080
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles 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】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting Measures
【Flash Point】>110℃
【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. Reaction with water may generate much heat which will increase the concentration of fumes in the air. Contact with metals may evolve flammable hydrogen gas. Extinguishing media: For large fires, use water spray, fog, or alcohol-resistant foam. Cool containers with flooding quantities of water until well after fire is out. For small fires, use dry chemical, dry sand, alcohol-resistant foam.
【Fire Potential】HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation. A vapor suppressing foam may be used to reduce vapors.
Stability and Reactivity
【Disposal Code】12
【Stability】Stable under normal temperatures and pressures. Fuming liquid.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Hydrogen chloride, hydrogen cyanide, nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, nitrogen.
【Combustion Products】Fire will produce irritating, corrosive and/or toxic gases.
Transport Information
【UN Number】3080
【Hazard Class】6.1
【Packing Group】II
【HS Code】2851 00 80