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2,4-TDI Isocyanate
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Home
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2,4-Toluene diisocyanate CAS # 584-84-9
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Molecular weight
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174.2
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Isocyanate, %
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48 |
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Equivalent weight
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85 |
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Toxicity
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NIOSH
Analysis
method OSHA air sampling method |
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Properties
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| Assay, % |
99.5 minimum |
| Isomer ratio (by infrared), % |
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| 2,4 isomer |
98.0 minimum |
| 2,6 isomer |
2.0 maximum |
| Acidity % |
0.010 maximum |
| Color, APHA |
25 maximum |
| Hydrolyzable chlorides, % |
0.010 maximum |
| NCO Content, % |
48 |
TYPICAL PROPERTIES*
| Appearance |
Clear, colorless to slightly yellow liquid |
| Specific gravity @ 25°C |
1.22 |
| Weight per gallon, lb. @ 25°C |
10.2 |
| Total chlorides, % |
0.10 maximum |
| Equivalent wt., avg. (as supplied) |
87 |
| Crystallizing point |
70°F (21°C) |
| Flash point (Pensky-Marten closed cup) |
260°F (127°C) |
| Refractive index @ 25C |
1.566 |
| Boiling point |
483°F (251°C) |
| NCO Content, % |
48 |
* Bayer Datasheet |
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| Regulatory |
Inventory |
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| CAS REGISTRY NUMBER |
# 584-84-9 |
NAME : Benzene, 2,4-diisocyanato-1-methyl- |
| TSCA |
USA |
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Yes |
| DSL |
Canada |
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Yes |
| EINECS |
Europe |
EINECS No. 209-544-5 |
Yes |
| ECL |
Korea |
ECL Serial No. KE-10929 |
Yes |
| ENCS |
Japan |
ENCS No. 3-2214X |
Yes |
| AICS |
Australia |
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Yes |
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| Other names: |
1,3-Diisocyanato-4-methylbenzene
2,4-Diisocyanato-1-methylbenzene
2,4-TDI
2,4-Toluene diisocyanate
2,4-Toluene diisocyanate (2,4-TDI)
2,4-Toluylene diisocyanate
2,4-Tolylene diisocyanate
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| Commercial
Products or generic terms used for products. For manufacturer see Isocyanate
MFCT. |
| Commercial products are mixtures of isomers
of 2,4 & 2,6- toluenediisocyanate |
| Mondur TDS 98/2 (2,4/2,6) |
Cosmonate TDI |
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Last edited on:
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July 06, 2006
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