英文名称：HydroquinoneCAS号：123-31-9分子式：C6H6O2分子量：110.11EINECS号：204-617-8

熔点 172-175 °C(lit.)
沸点 285 °C(lit.)
密度 1.32蒸气密度3.81 (vs air)
蒸气压1 mm Hg ( 132 °C)
折射率 1.6320闪点 165 °C储存条件 Refrigerator溶解度 H₂O: 50 mg/mL, clear
酸度系数(pKa)10.35(at 20℃)形态Needle-Like Crystals or Crystalline Powder颜色White to off-white水溶解性 70 g/L (20 oC)敏感性 Air & Light SensitiveMerck 14,4808BRN 605970Henry's Law Constant(x 10^-9 atm?m³/mol): <2.07 at 20 °C (approximate - calculated from water solubility and vapor pressure)暴露限值NIOSH REL: 15-min ceiling 2, IDLH 50; OSHA PEL: TWA 2; ACGIH TLV: TWA 2 (adopted).稳定性Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.InChIKeyQIGBRXMKCJKVMJ-UHFFFAOYSA-N

危险性符号(GHS)
GHS05,GHS07,GHS08,GHS09警示词Danger危险性描述H302-H317-H318-H341-H351-H410-H400防范说明P273-P280-P305+P351+P338-P501-P201-P305+P351+P338+P310-P308+P313-P301+P312+P330危险品标志 Xn,N危险类别码 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22安全说明 26-36/37/39-61-S61-S36/37/39-S26危险品运输编号 2662WGK Germany 3
RTECS号MX3500000
自燃温度930 °FTSCA YesHazardClass 9PackingGroup III海关编码 29072210毒性LD50 orally in rats: 320 mg/kg (Woodard)