695092
乙酸
glacial, ACS reagent, ≥99.7%
别名:
冰乙酸
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关于此项目
线性分子式:
CH3CO2H
化学文摘社编号:
分子量:
60.05
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-580-7
Beilstein/REAXYS Number:
506007
MDL number:
Assay:
≥99.7%
Form:
liquid
Grade:
ACS reagent
grade
ACS reagent
Quality Segment
vapor density
2.07 (vs air)
vapor pressure
11.4 mmHg ( 20 °C)
assay
≥99.7%
form
liquid
autoignition temp.
800 °F
expl. lim.
16 %, 92 °F, 4 %, 59 °F
technique(s)
mass spectrometry (MS): suitable
impurities
Cr2O72- reducers, passes test, MnO4- reducers, passes test, ≤0.0004 meq/g Titr. base, ≤0.01% acetic anhydride
evapn. residue
≤0.001%
color
APHA: ≤10
refractive index
n20/D 1.371 (lit.)
pH
2.5 (20 °C, 50 g/L)
bp
117-118 °C (lit.)
mp
16.2 °C (lit.)
solubility
water: soluble (602.9 g/l at 25 °C)
density
1.04 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤1 ppm, sulfate (SO42-): ≤1 ppm
cation traces
Fe: ≤0.2 ppm, heavy metals: ≤0.5 ppm (by ICP)
SMILES string
[F2C(F2C)13F3C]C(O)=O
InChI
1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
InChI key
QTBSBXVTEAMEQO-UHFFFAOYSA-N
General description
乙酸是一种有机羧酸。这是一种有刺激性气味的易吸潮的液体。冰醋酸是无水乙酸。它通过溶液中的氢键和通常称为相的气体形成二聚体。它呈弱酸性。
Application
乙酸被广泛地用作各种氧化反应的溶剂。它可用于电子转移(ETD)离解串联质谱(MS/MS)分析合成多肽。它可与过氧化氢(30%过氧化氢)反应制备过氧乙酸(消毒剂)。
Other Notes
4L和4X4L为塑料瓶包装
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
102.2 °F - closed cup
flash_point_c
39 °C - closed cup