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

熔點 172-175 °C(lit.)
沸點 285 °C(lit.)
密度 1.32蒸氣密度3.81 (vs air)
蒸氣壓1 mm Hg ( 132 °C)
折射率 1.6320閃點 165 °C儲存條件 Refrigerator溶解度 H₂O: 50 mg/mL, clear
酸度系數(pKa)10.35(at 20℃)形態Needle-Like Crystals or Crystalline Powder顏色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).穩定性Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.InChIKeyQIGBRXMKCJKVMJ-UHFFFAOYSA-N

危險性符號(GHS)
GHS05,GHS07,GHS08,GHS09警示詞Danger危險性描述H302-H317-H318-H341-H351-H410-H400防范說明P273-P280-P305+P351+P338-P501-P201-P305+P351+P338+P310-P308+P313-P301+P312+P330危險品標志 Xn,N危險類別碼 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22安全說明 26-36/37/39-61-S61-S36/37/39-S26危險品運輸編號 2662WGK Germany 3
RTECS號MX3500000
自燃溫度930 °FTSCA YesHazardClass 9PackingGroup III海關編碼 29072210毒性LD50 orally in rats: 320 mg/kg (Woodard)