英文名称：FormaldehydeCAS号：50-00-0分子式：CH2O分子量：30.03EINECS号：200-001-8

熔点 -15°C沸点 97°C(37% solution),-19.5°C(pure)密度 1.09 g/mL at 25 °C(lit.)
蒸气密度1.03 (vs air)
蒸气压52 mm Hg ( 37 °C)
折射率 n20/D 1.377
闪点 133 °F
储存条件 2-8°C
溶解度 water: soluble形态Solution酸度系数(pKa)13.27(at 25℃)颜色APHA: ≤10PH值pH (25℃) : 7.0～7.5气味 (Odor)Pungent odor detectable at 1 ppm水溶解性 soluble最大波长(λmax)λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01Merck 14,4235BRN 1209228暴露限值NIOSH REL: TWA 0.016 ppm, 15-min C 0.1 ppm, IDLH 20 ppm; OSHA PEL: TWA 0.75 ppm, STEL 2 ppm.InChIKeyWSFSSNUMVMOOMR-UHFFFAOYSA-N

危险性符号(GHS)
GHS05,GHS06,GHS08,GHS07,GHS02警示词Danger危险性描述H303-H333-H301+H311+H331-H314-H317-H335-H341-H350-H370-H371-H227-H301-H311-H318-H331-H226防范说明P210-P301+P310a-P405-P501a-P261-P308+P313-P201-P260-P280-P301+P310+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338-P308+P311-P403+P233-P210e危险品标志 T危险类别码 23/24/25-34-40-43-39/23/24/25-68-45-68/20/21/22安全说明 36/37-51-45-36/37/39-26-53危险品运输编号 UN 1198 3/PG 3
WGK Germany 2
RTECS号LP8925000
F 10自燃温度424 °C for formalin containing 15% methanolTSCA YesHazardClass 3PackingGroup III海关编码 29121100毒性LD50 oral (rat) 500 mg/kg
LD50 skin (rabbit) 270 mg/kg
LC50 inhal (rat) 203 mg/m3 (2 h)
PEL (OSHA) 1 ppm (1.5 mg/m3)
TLV-TWA (ACGIH) 0.3 ppm (ceiling)(0.37 mg/m3)
STEL (OSHA) 2 ppm (2.5 mg/m3)