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CAS号:106-42-3
英文名称:P-XYLENE
英文同义词:p-XyL;p-Xylol;4-xylene;P-XYLENE;ai3-52255;1,4-Xylene;Scintillar;Xylene, P-;PARA-XYLENE;p-Xylene,AR
中文名称:对二甲苯
中文同义词:对二甲苯;對二甲苯;4-二甲苯;P-二甲苯;焦化二甲苯;1,4-二甲苯;对二甲苯 溶液;甲醇中对二甲苯;对二甲苯对照品;对二甲苯,99%
分子式:C8H10
分子量:106.17
熔点:12-13 °C (lit.)
沸点:138 °C (lit.)
密度:0.861 g/mL at 20 °C (lit.)
蒸气密度: 3.7 (vs air)
蒸气压: 9 mm Hg ( 20 °C)
折射率:n
闪点:77 °F
储存条件:Store at +5°C to +30°C.
溶解度:water: soluble0.2g/L
形态: Liquid
酸度系数(pKa): >15 (Christensen et al., 1975)
颜色: Colorless
相对极性: 0.074
气味 (Odor): Like benzene; characteristic aromatic.
嗅觉阈值(Odor Threshold): 0.058ppm
爆炸极限值(explosive limit): 1.1-7%(V)
水溶解性:Miscible with alcohol, ether, acetone, benzene and chloroform. Immiscible with water.
最大波长(λmax): λ: 294 nm Amax: 1.00λ: 320 nm Amax: 0.10λ: 350 nm Amax: 0.05λ: 380-400 nm Amax: 0.01
Merck:14,10081
BRN:1901563
Henry's Law Constant: 16.1 at 45.00 °C, 18.6 at 50.00 °C, 20.3 at 55.00 °C, 23.4 at 60.00 °C, 30.5 at 70.00 °C (static headspace-GC, Park et al., 2004)
暴露限值: TLV-TWA100 ppm (~434 mg/m3) (ACGIH, MSHA, and OSHA); STEL 150 ppm (~651 mg/m3) (ACGIH); ceiling 200 ppm/ 10 min (NIOSH); IDLH 1000 ppm (NIOSH).
稳定性: Stable. Incompatible with oxidizing agents. Hygroscopic. Flammable.
InChIKey: URLKBWYHVLBVBO-UHFFFAOYSA-N
CAS 数据库: 106-42-3(CAS DataBase Reference)
EPA化学物质信息: p-Xylene (106-42-3)