27221
Ácido acético
glacial, puriss., 99-100%
Sinónimos:
Ácido acético glacial
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Fórmula lineal:
CH3CO2H
Número CAS:
Peso molecular:
60.05
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-580-7
Beilstein/REAXYS Number:
506007
MDL number:
Assay:
99-100%
Form:
liquid
Servicio técnico
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Permítanos ayudarlevapor density
2.07 (vs air)
Quality Segment
grade
puriss.
assay
99-100%
form
liquid
autoignition temp.
800 °F
expl. lim.
16 %, 92 °F, 4 %, 59 °F
technique(s)
mass spectrometry (MS): suitable
impurities
≤0.0005% heavy metals (as Pb), ≤0.005% non-volatile matter
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.)
density
1.04 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤5 mg/kg
cation traces
Fe: ≤5 mg/kg
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 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).
Other Notes
The article number 27221-6X1L will be discontinued. Please order the single bottle 27221-1L which is physically identical with the same exact specifications.
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
Clase de almacenamiento
3 - Flammable liquids
wgk
WGK 1
flash_point_f
102.2 °F - closed cup
flash_point_c
39 °C - closed cup
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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)
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