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CAS號(hào):64-19-7
英文名稱:Acetic acid
英文同義詞:HOAc;AcOH;vosol;cusuan;Aci-jel;CH3COOH;glacial;test111;Shotgun;Vinegar
中文名稱:醋酸
中文同義詞:乙酸;醋酸;冰醋酸;冰乙酸;乙酸冰;冰酸醋;稀乙酸;冰醋酸
;工業(yè)醋酸;天然乙酸
分子式:C2H4O2
分子量:60.05
熔點(diǎn):16.2 °C(lit.)
沸點(diǎn):117-118 °C(lit.)
密度:1.049 g/mL at 25 °C(lit.)
蒸氣密度:2.07 (vs air)
蒸氣壓:11.4 mm Hg ( 20 °C)
折射率:n
FEMA:2006 | ACETIC ACID
閃點(diǎn):104 °F
儲(chǔ)存條件:Store below +30°C.
溶解度:alcohol: miscible(lit.)
酸度系數(shù)(pKa):4.74(at 25℃)
形態(tài):Solution
顏色:colorless
比重:1.0492 (20℃)
PH值:2.5 (50g/l, H2O, 20℃)
酸堿指示劑變色ph值范圍:2.4 (1.0M solution)
氣味 (Odor):Strong, pungent, vinegar-like odor detectable at 0.2 to 1.0 ppm
嗅覺閾值(Odor Threshold):0.006ppm
爆炸極限值(explosive limit):4-19.9%(V)
水溶解性:miscible
最大波長(zhǎng)(λmax):λ: 260 nm Amax: 0.05
λ: 270 nm Amax: 0.02
λ: 300 nm Amax: 0.01
λ: 500 nm Amax: 0.01
Merck:14,55
JECFA Number:81
BRN:506007
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)
暴露限值:TLV-TWA 10 ppm ~25 mg/m3) (ACGIH, OSHA, and MSHA); TLV-STEL 15 ppm (37.5 mg/m3) (ACGIH).
CAS 數(shù)據(jù)庫(kù):64-19-7(CAS DataBase Reference)
NIST化學(xué)物質(zhì)信息:Acetic acid(64-19-7)
EPA化學(xué)物質(zhì)信息:Acetic acid (64-19-7)