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Merck
CN

27225

Acetic acid

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

Synonym(s):

Glacial acetic acid

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About This Item

Linear Formula:
CH3CO2H
CAS Number:
Molecular Weight:
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

Acetic acid is an organic carboxylic acid. It is a hygroscopic liquid having pungent odor. Its anhydrous form is commonly referred as glacial acetic acid. It forms dimers linked by hydrogen bonds in solution and gaseous phases. It is weakly acidic in nature.

Application

Acetic acid is widely employed as solvent for various oxidation reactions. It may be used in the analysis of synthetic peptides by electron transfer dissociation (ETD) tandem mass spectrometry (MS/MS). It may be used in the preparation of peroxyacetic acid (disinfectant), via reaction with perhydrol (30% hydrogen peroxide).

Other Notes

The article number 27225-4X2.5L-M will be discontinued. Please order the single bottle 27225-2.5L-M which is physically identical with the same exact specifications.
The article number 27225-4X2.5L-R will be discontinued. Please order the single bottle 27225-2.5L-R which is physically identical with the same exact specifications.
The article number 27225-6X1L-M will be discontinued. Please order the single bottle 27225-1L-M which is physically identical with the same exact specifications.
The article number 27225-6X1L-R will be discontinued. Please order the single bottle 27225-1L-R which is physically identical with the same exact specifications.


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pictograms

FlameCorrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

Storage Class

3 - Flammable liquids

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup

Regulatory Information

危险化学品

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John E P Syka et al.
Proceedings of the National Academy of Sciences of the United States of America, 101(26), 9528-9533 (2004-06-24)
Peptide sequence analysis using a combination of gas-phase ion/ion chemistry and tandem mass spectrometry (MS/MS) is demonstrated. Singly charged anthracene anions transfer an electron to multiply protonated peptides in a radio frequency quadrupole linear ion trap (QLT) and induce fragmentation
Eagleson M.
Concise Encyclopedia Chemistry, 5-5 (1994)
Katharine Trenholme et al.
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



Global Trade Item Number

SKUGTIN
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