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Merck
CN

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
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grade

ACS reagent

Quality Level

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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pictograms

FlameCorrosion

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

法规信息

危险化学品

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全球贸易项目编号

货号GTIN
695092-100ML04061837737183
695092-2.5L-GL04061832779324
695092-4L04061832779331
695092-6X2.5L-GL04061837737282
695092-2.5L04061837737206
695092-4X100ML04061832779348
695092-4X4L04061832779355
695092-500ML04061837737244
695092-500ML-GL04061832779423
695092-6X2.5L04061837737275
695092-6X500ML04061832779430
695092-6X500ML-GL04061832779454