M2886
2-Butanone
≥99.5%
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
EC Number:
201-159-0
UNSPSC Code:
12352103
MDL number:
Beilstein/REAXYS Number:
741880
vapor density
2.49 (vs air)
vapor pressure
71 mmHg ( 20 °C)
assay
≥99.5%
autoignition temp.
960 °F
expl. lim.
10.1 %
refractive index
n20/D 1.379 (lit.)
bp
80 °C (lit.)
mp
−87 °C (lit.)
density
0.805 g/mL at 25 °C (lit.), 0.81 g/mL at 25 °C (lit.)
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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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
30.2 °F - closed cup
flash_point_c
-1 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
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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