34861
2-丁酮
suitable for HPLC, ≥99.7%
别名:
MEK, 乙基甲基酮, 甲基乙基酮
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关于此项目
线性分子式:
C2H5COCH3
化学文摘社编号:
分子量:
72.11
UNSPSC Code:
41116105
PubChem Substance ID:
eCl@ss:
39021202
EC Number:
201-159-0
Beilstein/REAXYS Number:
741880
MDL number:
Assay:
≥99.7%
Grade:
HPLC grade
Technique(s):
HPLC: suitable
Bp:
80 °C (lit.)
Vapor pressure:
71 mmHg ( 20 °C)
Quality Segment
grade
HPLC grade
vapor density
2.49 (vs air)
vapor pressure
71 mmHg ( 20 °C)
assay
≥99.7%
form
liquid
autoignition temp.
960 °F
expl. lim.
10.1 %
technique(s)
HPLC: suitable
impurities
≤0.001% free acid (as CH3COOH), ≤0.001% non-volatile matter, ≤0.1% water (Karl Fischer)
evapn. residue
≤0.001%
transmittance
335 nm, ≥50%, 340 nm, ≥80%, 350 nm, ≥98%
refractive index
n
bp
80 °C (lit.)
mp
−87 °C (lit.)
density
0.805 g/mL at 25 °C (lit.)
λ
neat
UV absorption
λ: 335 nm Amax: ≤0.30, λ: 340 nm Amax: ≤0.10, λ: 350 nm Amax: ≤0.01
application(s)
food and beverages
SMILES string
CC(CC)=O
InChI
1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
InChI key
ZWEHNKRNPOVVGH-UHFFFAOYSA-N
General description
Physical properties of the solutions of 1-n-butyl-3-methylimidazolium tetrafluoroborate (ionic liquid) in various organic solvents (acetonitrile, dichloromethane, 2-butanone and N,N-dimethylformamide) has been studied. Viscosity and density of these mixtures were evaluated at 298.15K.
Application
2-Butanone may be employed as a solvent for the methylation agent [11C]methyl trifluoromethanesulfonate ([11C]CH3OTf), during the completely automated radiosynthesis of 2-(4-N-[11C]methylaminophenyl)-6-hydroxybenzothiazole ([11C]PIB).
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
30.2 °F - closed cup
flash_point_c
-1 °C - closed cup