230294
2-Butanone
spectrophotometric grade, ≥99%
Synonym(s):
Ethyl methyl ketone, MEK, Methyl ethyl ketone
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About This Item
Linear Formula:
C2H5COCH3
CAS Number:
Molecular Weight:
72.11
Beilstein/REAXYS Number:
741880
EC Number:
MDL number:
UNSPSC Code:
12190000
PubChem Substance ID:
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grade
spectrophotometric grade
vapor density
2.49 (vs air)
vapor pressure
71 mmHg ( 20 °C)
assay
≥99%
autoignition temp.
960 °F
expl. lim.
10.1 %
impurities
≤0.1% water
evapn. residue
<0.0005%
refractive index
n20/D 1.379 (lit.)
bp
80 °C (lit.)
80 °C
mp
−87 °C (lit.)
density
0.805 g/mL at 25 °C (lit.)
λ
H2O reference
UV absorption
λ: 330 nm Amax: 1.0
λ: 340 nm Amax: 0.10
λ: 350-400 nm Amax: 0.01
SMILES string
CC(CC)=O
InChI
1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
InChI key
ZWEHNKRNPOVVGH-UHFFFAOYSA-N
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Shane Avison et al.
Journal of agricultural and food chemistry, 63(28), 6313-6318 (2015-06-23)
A new methodology is presented to measure water-air partition coefficients (Henry's constants) of volatiles, using APCI-MS. Significant advantages over other Henry's constant determination methods include the short measurement and sample preparation time and the possibility for simultaneous measurement of multiple
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