蒸气压	Based on the specific vapor density value of 6.36 (Sims et al., 1988), the vapor pressure wascalculated to be 0.83 at 20 °C.

折射率	1.6266 (estimate)

溶解度	Soluble in ethanol (U.S. EPA, 1985) and ether (1 g/50 mL) (Windholz et al., 1983)

酸度系数(pKa)

4.66(at 30℃)

颜色	Grayish-yellow, crystalline powder; white or sltlyreddish crystals, powder

水溶解性	Sparingly soluble. <0.1 g/100 mL at 22 ºC

Merck

13,1077

BRN

742770

Henry's Law Constant

(x 10-11 atm?m3/mol): 3.88 at 25 °C (estimated, Howard, 1989)

暴露限值	Because it is a carcinogen and readily absorbed through skin, no TLV has been assigned. Exposure should be at an absolute minimum. Recognized Human Carcinogen (ACGIH); Human Carcinogen (MSHA); Carcinogen (OSHA); Human Sufficient Evidence, Animal Sufficient Evidence (IARC).

(IARC)致癌物分类

1 (Vol. 29, Sup 7, 99, 100F) 2012

NIST化学物质信息

Benzidine(92-87-5)

EPA化学物质信息

Benzidine (92-87-5)