Product Identification
【Product Name】Diazald 对甲苯磺酰甲基亚硝胺
【Synonyms】N,4-Dimethyl-N-nitrosobenzenesulfonamide
【CAS】80-11-5
【Formula】C8H10N2O3S
【Molecular Weight】214.25
【EINECS】201-252-6
【RTECS】XT5950000
【RTECS Class】Tumorigen; Mutagen
【Merck】12,9681
【Beilstein/Gmelin】2214345
【Beilstein Reference】4-11-00-00478

Physical and Chemical Properties
【Appearance】Odorless, yellow powder.
【Solubility in water】Insoluble
【Melting Point】63 - 65.5
【Boiling Point】395
【Partition Coefficient】2.69
【Usage】In lab prepn of diazomethane.
【Vapor Density】7.4

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【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. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】Causes respiratory tract irritation. Inhalation of dust may cause respiratory tract irritation.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.

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】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.
【Poison Class】1*

Fire Fighting Measures
【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 chemical foam.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong acids, strong bases, strong oxidizing agents.
【Decomposition】Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.