- 熔点 :
- 16.2 °C(lit.)
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- 沸点 :
- 117-118 °C(lit.)
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- 密度 :
- 1.049 g/mL at 25 °C(lit.)
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- 蒸气密度:
- 2.07 (vs air)
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- 蒸气压:
- 11.4 mm Hg ( 20 °C)
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- 折射率 :
- n 20/D 1.371(lit.)
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- FEMA :
- 2006 | ACETIC ACID
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- 闪点 :
- 104 °F
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- 储存条件 :
- Store at RT.
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- 溶解度 :
- alcohol: miscible(lit.)
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- 酸度系数(pKa):
- 4.74(at 25℃)
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- 形态:
- Solution
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- 颜色:
- colorless
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- 比重:
- 1.0492 (20℃)
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- PH值:
- 2.5 (50g/l, H2O, 20℃)
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- 酸碱指示剂变色ph值范围:
- 2.4 (1.0M solution)
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- 气味 (Odor):
- Strong, pungent, vinegar-like odor detectable at 0.2 to 1.0 ppm
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- 嗅觉阈值(Odor Threshold):
- 0.006ppm
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- 爆炸极限值(explosive limit):
- 4-19.9%(V)
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- 水溶解性 :
- miscible
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- 最大波长(λmax):
- λ: 260 nm Amax: 0.05λ: 270 nm Amax: 0.02λ: 300 nm Amax: 0.01λ: 500 nm Amax: 0.01
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- Merck :
- 14,55
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- JECFA Number:
- 81
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- BRN :
- 506007
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- Henry's Law Constant:
- 133, 122, 6.88, and 1.27 at pH values of 2.13, 3.52, 5.68, and 7.14, respectively (25 °C, Hakuta et al., 1977)
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- 暴露限值:
- TLV-TWA 10 ppm ～25 mg/m3) (ACGIH, OSHA, and MSHA); TLV-STEL 15 ppm (37.5 mg/m3) (ACGIH).
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- CAS 数据库:
- 64-19-7(CAS DataBase Reference)
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- NIST化学物质信息:
- Acetic acid(64-19-7)
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- EPA化学物质信息:
- Acetic acid (64-19-7)
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