[Appearance] it is colorless or light yellow oily liquid at normal temperature, and turns red brown when exposed to air and sunlight.
[Boiling point] (℃) 200.3
[Melting point] (℃) - 16.3
[Flash point] ℃ (closed type) 85
[Ignition temperature] (℃): 481.67
[Density] d4200.9984
[Refractive index] nD201.572
[Steam pressure] kPa (℃) 0.0346 (25 ℃)
[Upper explosive limit] (%): 7.6
[Lower explosive limit] (%): 1.5
[Viscosity] (MPA · s, 15 ℃): 5.195
[Viscosity] (MPA · s, 25 ℃): 3.390
[Solubility] slightly soluble in water, soluble in ethanol, ether and dilute acid. The solubility in water at 25 ℃ is 1.5g/100ml.
[Stability] stability
[Functional application] mainly used as organic synthesis intermediates such as dyes, as well as analytical reagents, vulcanization accelerators, and saccharin manufacturing.
1) Used for preparing azo dyes and triphenylmethane dyes; For example, it is used to prepare sulfurized blue, sulfurized light yellow GC, sulfurized yellow brown 5g, color phenol as-d, red base RL, large red base g, jujube red base GBC, acid peach 3b, reduced peach R, basic magenta and basic peach T;
2) In the pharmaceutical industry, it is used to prepare o-chloropenicillin, amiodarone, bissouping, ruodin, etc;
3) Pesticide industry is used to synthesize Chlordimeform. It is also used for the synthesis of curing accelerators DT, BG, PR, etc.