Methyl Ethyl Ketone
Molecular Formula	CH3COCH2CH3
Molecular Weight	72.11
Molecular Weight	0.805
At temp	20
Boiling point	80 °C
Melting point	-87 °C
UN No.	1193
Chemical Abstract Number	78-93-3

METHYLHYDROQUINONE/99%

Meets A.C.S. specs./Conforme aux normes A.C.S.

4-Methyl-2-pentanone (M.I.B.K.)
Molecular Formula	(CH3)2CHCH2COCH3
Molecular Weight	100.16
Molecular Weight	0.796
At temp	20
Boiling point	114-117 °C
UN No.	1245
Chemical Abstract Number	108-10-1
Appearance/Aspect	Clear/Clair
Colour (APHA) Couleur	15
Assay (%) Teneur	min 98.5
Water (H2O) Eau	0.1%
Evaporation residue/Résidu d'évaporation	0.005%
Titratable acid (meq/g) Acidité	0.002

4-Methyl-2-pentanone (M.I.B.K.)
Molecular Formula	(CH3)2CHCH2COCH3
Molecular Weight	100.16
Molecular Weight	0.796
At temp	20
Boiling point	114-117 °C
UN No.	1245
Chemical Abstract Number	108-10-1
Assay (%) Teneur	min 99
Boiling point (°C) Point d'ébullition	115.8
Density (g/ml @ 20 °C) Densité	0.804
Evaporation residue/Résidu d'évaporation	5 ppm
Water (H2O) Eau	0.08%
Optical Absorbance Optique
400 nm	0.01
360 nm	0.10
349 nm	0.20
339 nm	0.50
334 nm	1.00