DIALLYL ISOPHTHALATE
- CAS No.
- 1087-21-4
- Chemical Name:
- DIALLYL ISOPHTHALATE
- Synonyms
- dappu100;Diallylm-phthalate;Allyl Isophthalate;TIMTEC-BB SBB009971;Dially isophthalate;DIALLYL ISOPHTHALATE;Diallyi isophthalate;DiallylIsophthalate>Isophthalic acid diallyl;di-2-propenylisophthalate
- CBNumber:
- CB7488131
- Molecular Formula:
- C14H14O4
- Molecular Weight:
- 246.26
- MDL Number:
- MFCD00048174
- MOL File:
- 1087-21-4.mol
- MSDS File:
- SDS
| Melting point | -3℃ |
|---|---|
| Boiling point | 176-177°C 5mm |
| Density | 1.13 |
| vapor pressure | 0.155Pa at 25℃ |
| refractive index | 1.5230-1.5270 |
| Flash point | 163 °C |
| storage temp. | 0-10°C |
| Specific Gravity | 1.125 (20/4℃) |
| color | Yellow |
| Water Solubility | 33.8mg/L at 25℃ |
| LogP | 3.36 at 25℃ |
| CAS DataBase Reference | 1087-21-4(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| EPA Substance Registry System | 1,3-Benzenedicarboxylic acid, di-2-propenyl ester (1087-21-4) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319 | |||||||||
| Precautionary statements | P264-P270-P280-P301+P312+P330-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P501 | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36/37/39 | |||||||||
| RTECS | CZ4230000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29155090 | |||||||||
| Toxicity | mammal (species unspecified),LD50,oral,1700mg/kg (1700mg/kg),Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(4), Pg. 86, 1974. | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
DIALLYL ISOPHTHALATE price More Price(9)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | I0450 | Diallyl Isophthalate >98.0%(GC)(T) | 1087-21-4 | 25g | $30 | 2026-04-30 | Buy |
| TCI Chemical | I0450 | Diallyl Isophthalate >98.0%(GC)(T) | 1087-21-4 | 500g | $66 | 2026-04-30 | Buy |
| aablocks | AA0034MF | Diallyl isophthalate 99%(GC) | 1087-21-4 | 25g | $18 | 2026-05-28 | Buy |
| aablocks | AA0034MF | Diallyl isophthalate 99%(GC) | 1087-21-4 | 100g | $39 | 2026-05-28 | Buy |
| aablocks | AA0034MF | Diallyl isophthalate >98.0%(GC)(T) | 1087-21-4 | 500g | $53 | 2026-05-28 | Buy |
DIALLYL ISOPHTHALATE Chemical Properties, Uses, Production
Uses
Diallyl isophthalate (DAIP) has the advantage over the ortho isomer that it polymerizes faster and gives polymers of better heat resistance. The DAIP prepolymer is less stable than the diallyl phthalate prepolymer. Cured moldings from DAIP monomer-prepolymer compositions can be better processed than cured diallyl phthalate moldings because of their greater fluidity. Compositions containing DAIP prepolymers can be used for the production of hard, translucent, abrasive-resistant, and laser-trimmable coatings.
Preparation
Diallyl isophthalate (DAIP) is prepared by esterification of isophthalic acid
with allyl alcohol:

The polymers of diallyl isophthalate are very similar in preparation, properties and application to the polymers of diallyl phthalate described above. Mouldings based on diallyl isophthalate are more expensive but have enhanced thermal stability (withstanding up to about 220C for long periods) and resistance to organic solvents.
Flammability and Explosibility
Not classified
DIALLYL ISOPHTHALATE Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44566 | 61 |
| Adamas Reagent, Ltd. | 4006009262 13023226327 | hmj@titansci.com | China | 14098 | 59 |
| Shandong Xiya Chemical Co., Ltd | 13355009207 13355009207 | 3007715519@qq.com | China | 18722 | 57 |
| Tianjin heowns Biochemical Technology Co., Ltd. | 400 638 7771 | sales@heowns.com | China | 14412 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Maya High Purity Chemicals | +86 (573) 82222445 (0)18006601000 452520369 | sales@maya-r.com | China | 11693 | 57 |
| TOKYO CHEMICAL INDUSTRY CO., LTD. | 03-36680489 | Sales-JP@TCIchemicals.com | Japan | 28364 | 80 |
| TCI Europe | 320-37350700 | sales@tcieurope.eu | Europe | 23654 | 75 |
View Latest Price from DIALLYL ISOPHTHALATE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
|
|
2026-03-20 | DIALLYL ISOPHTHALATE
1087-21-4
|
$10.00 | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd | |
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2025-04-04 | DIALLYL ISOPHTHALATE
1087-21-4
|
1kg | 98% | 1Ton | Henan Aochuang Chemical Co.,Ltd. | ||
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2019-12-24 | DIALLYL ISOPHTHALATE
1087-21-4
|
$1.00 | 1KG | 85.0-99.8% | 20 tons | Career Henan Chemical Co |
-
- DIALLYL ISOPHTHALATE
1087-21-4
- $10.00
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-

- DIALLYL ISOPHTHALATE
1087-21-4
- 98%
- Henan Aochuang Chemical Co.,Ltd.
-

- DIALLYL ISOPHTHALATE
1087-21-4
- $1.00
- 85.0-99.8%
- Career Henan Chemical Co
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