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| ENQ: |
Industrial Chemicals Dept. Alcohols & Ketones gr. |
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| 25-10 Hatchobori, 2chome, Chuo-ku, Tokyo 104-8502, JAPAN
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| TEL 03-3552-9372 FAX 03-3552-9443 |
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| E-mail akea@chemiway.co.jp
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Methyl Ethyl Ketone (MEK)
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| Our MEK is of high quality enough to satisfy the requirements specified in
JIS, ASTM and other standards. It is used for a paint solvent, printing ink, bonding
agent, etc. |
| Molecular Formula C4H8O
|
Structural Formula
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| ENCS No. 2-542 |
| CAS No. 78-93-3 |
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TEST
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ANALYSIS
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| Molecular Weight |
|
72.10
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| Boiling Point |
°C |
79.6
|
| Melting Point |
°C |
-87.3
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| Specific Gravity at 20/4°C |
|
0.8047
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Refractive index
( ) |
|
1.3787
|
| Interfacial Tension (20°C) |
N/cm |
246x10-6
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| Latent Heat of Evaporation |
J/g |
443.7
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TEST
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ANALYSIS
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| Specific Heat at 20°C |
J/g·°C |
2.09
|
| Critical Temperature |
°C |
260
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| Critical Pressure |
mPa |
4.39
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| Water Azeotrope Boiling Point (0.1mPa) |
°C |
73.41
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| % wt of Metyl Ethyl Ketone |
wt% |
MEK88.7
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| Coefficient of Expansion (20°C) |
|
0.0013
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| Flash Point (Tag closed cup tester) |
°C |
-7.2
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| Combastion Point |
°C |
514
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| Explosive Limits in Air |
vol% |
1.7 ~ 11.4
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| SPECIFICATIONS AND TYPICAL ANALYSIS |
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TEST
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SPECIFICATIONS
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TYPICAL ANALYSIS
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TEST METHOD
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Appearance
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Clear and Colorless
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Clear and Colorless
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JIS-K-1524
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| Water |
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No turbidity
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No turbidity
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| Free Acid as Acetic Acid |
wt% |
Not more than 0.003
|
0.0005
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Distllation Test
Initial Boiling Point
Dry Point
Total Distllation |
°C
°C
vol% |
More than 79.0
Not more than 80.5
More than 97
|
79.4
79.9
99.0
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| Nonvolalative Matter |
wt% |
Not more than 0.003
|
0.001
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| Specific Gravity at 20/20°C |
|
0.805 ~ 0.807 |
0.8062 |
JIS-K-0061 |
| Color |
Hazen No |
Not more than 20 |
-
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JIS-K-0071-1 |
| Composition(MEK purity) |
wt% |
|
99.9 |
Gas chromatography |
| MAJOR USE: |
Solvent for paint, lube-oil dewaxing, adhesive and printing ink, Raw material
for organic syntheses. |
UN CLASS 3 UN NO.1193
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