34861-M
2-Butanone
suitable for HPLC, ≥99.7%
Synonym(s):
Ethyl methyl ketone, MEK, Methyl ethyl ketone
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About This Item
InChI key
ZWEHNKRNPOVVGH-UHFFFAOYSA-N
InChI
1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
SMILES string
CC(CC)=O
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), ≤0.1% water
evapn. residue
≤0.001%
mp
−87 °C (lit.)
density
0.805 g/mL at 25 °C (lit.)
UV absorption
λ: 335 nm Amax: ≤0.3, λ: 340 nm Amax: ≤0.1, λ: 350 nm Amax: ≤0.01
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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
Regulatory Information
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