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Merck
CN

27225

乙酸

glacial, puriss., meets analytical specification of Ph. Eur., BP, USP, 99.8-100.5%

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:
99.8-100.5%
Form:
liquid
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agency

meets purity specifications of USP (identity)

Quality Level

vapor density

2.07 (vs air)

grade

puriss.

assay

99.8-100.5%

form

liquid

autoignition temp.

800 °F

quality

meets analytical specification of Ph. Eur., BP, USP

expl. lim.

16 %, 92 °F, 4 %, 59 °F

technique(s)

mass spectrometry (MS): suitable

impurities

K2Cr2O7 red. substances, complies, residual solvents, complies, ≤0.0002% heavy metals (as Pb), ≤0.005% non-volatile matter, ≤0.01% KMnO4 red. matter (as HCOOH)

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.)

transition temp

freezing point ≥15.6 °C

density

1.04 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤2 mg/kg, sulfate (SO42-): ≤5 mg/kg

cation traces

Al: ≤0.5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Pb: ≤0.5 mg/kg, Zn: ≤5 mg/kg

suitability

corresponds for appearance

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。本品为吸湿性液体,有刺激性气味。其无水形式通常称为冰醋酸。在溶液和气相中通过氢键连接形成二聚体。性质为弱酸性。

Application

乙酸被广泛用作各种氧化反应的溶剂。可用于电子转移解离 (ETD) 串联质谱 (MS/MS) 分析合成肽。可通过与过氧化氢(30% 过氧化氢)反应制备过氧乙酸(消毒剂)。

Other Notes

货号为27225-4X2.5L-M 的产品即将停产。请订购27225-2.5L-M单瓶装,因为其具体参数与上述产品本质相同。
货号27225-4X2.5L-R的产品即将停产。请订购27225-2.5L-R单瓶装,因为其具体参数与上述产品本质相同。
货号27225-6X1L-M的产品即将停产。请订购27225-1L-M单瓶装,因为其具体参数与上述产品本质相同。
货号27225-6X1L-R的产品即将停产。请订购27225-1L-R单瓶装,因为其具体参数与上述产品本质相同。


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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

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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John E P Syka et al.
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Eagleson M.
Concise Encyclopedia Chemistry, 5-5 (1994)
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Antimicrobial agents and chemotherapy, 58(7), 3666-3678 (2014-04-16)
Therapies to prevent transmission of malaria parasites to the mosquito vector are a vital part of the global malaria elimination agenda. Primaquine is currently the only drug with such activity; however, its use is limited by side effects. The development



全球贸易项目编号

货号GTIN
27225-3.15KG-R04061838226426
27225-4.2KG-R04061838226433
27225-4X2.5L-R04061838252838
27225-6X1L-R04061838151872
27225-1L-R04061826144091
27225-2.5L-R04061826144107
27225-200L-R04061838151858
27225-30KG-R04061838151865
27225-500ML-R04061826144114