4,4'-二甲基二苯胺安全技术说明书
Product Identification
【Product Name】Di-p-tolylamine
【Synonyms】4,4'-Dimethyldiphenylamine
【CAS】620-93-9
【Formula】C14H15N
【Molecular Weight】197.28
【EINECS】210-659-8

Physical and Chemical Properties
【Solubility in water】Insoluble
【Melting Point】78~82℃
【Boiling Point】331℃
【Vapor Pressure】1.7E-4 (25℃)
【Density】1.049 g/cm3 (20℃)
【pKa/pKb】12.32 (pKb)
【Partition Coefficient】3.89
【Heat Of Vaporization】57.3 kJ/mol

First Aid Measures
【Ingestion】If swallowed, wash out mouth with water provided person is conscious. Call a physician.
【Inhalation】If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
【Skin】In case of contact, immediately wash skin with soap and copious amounts of water.
【Eyes】In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage
【Storage】Keep tightly closed. Store in a cool dry place.

Exposure Controls/Personal Protection
【Personal Protection】Chemical safety ggles, chemically resistant gloves and protective clothing.
【Respirators】Use respirators and components tested and approved under appropriate vernment standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.
【Exposure Effects】May cause irritation of the eyes, skin and mucous membranes.

Fire Fighting Measures
【Flash Point】167℃
【Fire Fighting】Extinguish with water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures
【Small spills/leaks】Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity
【Stability】Stable at normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Carbon monoxide, Carbon dioxide, Nitrogen oxides.
【Combustion Products】Emits toxic fumes under fire conditions.