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27221

Sigma-Aldrich

Ácido acético

glacial, puriss., 99-100%

Sinônimo(s):

Ácido acético glacial

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About This Item

Fórmula linear:
CH3CO2H
Número CAS:
64-19-7
Peso molecular:
60.05
Beilstein:
506007
Número CE:
200-580-7
Número MDL:
MFCD00036152
Código UNSPSC:
12352106
ID de substância PubChem:
329752985
NACRES:
NA.21

densidade de vapor

2.07 (vs air)

grau

puriss.

Ensaio

99-100%

forma

liquid

temperatura de autoignição

800 °F

Lim. expl.

16 %, 92 °F
4 %, 59 °F

técnica(s)

mass spectrometry (MS): suitable

Impurezas

≤0.0005% heavy metals (as Pb)
≤0.005% non-volatile matter

índice de refração

n20/D 1.371 (lit.)

pH

2.5 (20 °C, 50 g/L)

pb

117-118 °C (lit.)

pf

16.2 °C (lit.)

densidade

1.04 g/mL at 25 °C (lit.)

traços de ânion

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

traços de cátion

Fe: ≤5 mg/kg

cadeia de caracteres SMILES

[F2C(F2C)13F3C]C(O)=O

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

chave InChI

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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Descrição geral

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.

Aplicação

Acetic acid is widely employed as solvent for various oxidation reactions. It has been 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).

Outras notas

The article number 27221-6X1L will be discontinued. Please order the single bottle 27221-1L which is physically identical with the same exact specifications.

Pictogramas

FlameCorrosion
GHS02,GHS05

Palavra indicadora

Danger

Frases de perigo

H226,H314

Classificações de perigo

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

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

102.2 °F - closed cup

Ponto de fulgor (°C)

39 °C - closed cup

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Ácido acético for analysis EMPARTA® ACS

Supelco

1.01830

Ácido acético

Ácido acético (glacial) 100% anhydrous for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco

1.00063

Ácido acético (glacial) 100%

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
Isabelle Brunet et al.
The Journal of clinical investigation, 124(7), 3230-3240 (2014-06-18)
Autonomic sympathetic nerves innervate peripheral resistance arteries, thereby regulating vascular tone and controlling blood supply to organs. Despite the fundamental importance of blood flow control, how sympathetic arterial innervation develops remains largely unknown. Here, we identified the axon guidance cue
Xianbao Deng et al.
The New phytologist, 201(4), 1469-1483 (2013-11-26)
• Chalcone synthase (CHS) is the key enzyme in the first committed step of the flavonoid biosynthetic pathway and catalyzes the stepwise condensation of 4-coumaroyl-CoA and malonyl-CoA to naringenin chalcone. In plants, CHS is often encoded by a small family
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