Ethyltriphenylphosphonium acetate
- CAS No.
- 35835-94-0
- Chemical Name:
- Ethyltriphenylphosphonium acetate
- Synonyms
- ETPPAAc;ETTPPAAC;Einecs 252-743-7;CH3CH2P(C6H5)3O2CCH3;Ethyltriphenylphosph;ethyltriphenyl-phosphoniuacetate;ETHYLTRIPHENYLPHOSPHONIUM ACETATE;Phosphonium,ethyltriphenyl-,acetate;ethyl(triphenyl)phosphanium,acetate;Ethyltriphenylphosponium acid acetate
- CBNumber:
- CB9405635
- Molecular Formula:
- C22H23O2P
- Molecular Weight:
- 350.39
- MDL Number:
- MFCD00061389
- MOL File:
- 35835-94-0.mol
- MSDS File:
- SDS
| Boiling point | 275℃[at 101 325 Pa] |
|---|---|
| Density | 1.05 |
| vapor pressure | 0Pa at 25℃ |
| Flash point | -17°(0°F) |
| form | Liquid |
| color | Yellow to dark brown |
| Water Solubility | Soluble in water, alcohol. |
| InChI | InChI=1S/C20H20P.C2H4O2/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20;1-2(3)4/h3-17H,2H2,1H3;1H3,(H,3,4)/q+1;/p-1 |
| InChIKey | HZZUMXSLPJFMCB-UHFFFAOYSA-M |
| SMILES | [P+](C1C=CC=CC=1)(C1C=CC=CC=1)(CC)C1C=CC=CC=1.C([O-])(=O)C |
| LogP | -0.64 at 23.5℃ |
| CAS DataBase Reference | 35835-94-0(CAS DataBase Reference) |
| EPA Substance Registry System | Phosphonium, ethyltriphenyl-, acetate (35835-94-0) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |     GHS02,GHS06,GHS07,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hazard statements | H225-H301-H311-H315-H319-H331-H335-H370 | |||||||||
| Precautionary statements | P210-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a | |||||||||
| RIDADR | UN1993 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
Ethyltriphenylphosphonium acetate price More Price(14)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| ChemScene | CS-0153893 | Ethyltriphenylphosphonium acetate ≥98% | 35835-94-0 | 100g | $171 | 2026-06-04 | Buy |
| aablocks | AA003QGZ | Ethyltriphenylphosphonium acetate | 35835-94-0 | 5g | $16 | 2026-05-28 | Buy |
| aablocks | AA003QGZ | Ethyltriphenylphosphonium acetate | 35835-94-0 | 25g | $54 | 2026-05-28 | Buy |
| aablocks | AA003QGZ | Ethyltriphenylphosphonium acetate | 35835-94-0 | 100g | $168 | 2026-05-28 | Buy |
| AK Scientific | 4484AB | Ethyltriphenylphosphoniumacetate | 35835-94-0 | 1g | $57 | 2021-12-16 | Buy |
Ethyltriphenylphosphonium acetate Chemical Properties, Uses, Production
Description
Ethyltriphenylphosphonium Acetate, also known as ETPAAC, ETPAACc and TEPA, is a colourless to slightly yellow liquid with the chemical formula C22H23O2P. This quaternary phosphonium salt is available in a 70% by-weight solution in methanol. Notably, one mole of acetic acid is bound to each mole of ETPAAC. Furthermore, the material is mainly used for advancing and curing phenolic-based epoxy resins and serving as a phase transfer catalyst. Compared to amines, imidazoles, and quaternary ammonium salts, Ethyltriphenylphosphonium Acetate has considerably better latency and thermal stability. Further, it offers a low odour, minimal colour formation and controlled reactivity.
Uses
Ethyltriphenylphosphonium acetate is mainly used to advance and cure phenolic-based epoxy resins and as a phase transfer catalyst. It exhibits considerably better latency and thermal stability when compared to amines, imidazoles and quaternary ammonium salts. Furthermore, it has minimal odour, colour formation, and controlled reactivity. It decreases or eliminates side reactions and creates longer, straighter chain epoxy molecules with sharp molecular weight distribution.
Precautions
Store Ethyltriphenylphosphonium Acetate in a cool, dry, and well-ventilated area to ensure compliance with legal requirements. Keep ETPAAC away from heat sources and oxidizing agents to maintain safety and stability.
Ethyltriphenylphosphonium acetate Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Innochem(Beijing) Technology Co.,Ltd. | 010-56541685 13070143590 | sales@innochem.cn | China | 172 | 57 |
| Shandong Xiya Chemical Co., Ltd | 13355009207 13355009207 | 3007715519@qq.com | China | 18722 | 57 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Tianjin heowns Biochemical Technology Co., Ltd. | 400 638 7771 | sales@heowns.com | China | 14412 | 57 |
| Beijing Taiya Jie Technology Development Co., Ltd. | 021-33690831-8001 13552411790;18616022633 | postmaster@tyjchem.cn | China | 1541 | 55 |
| Chengdu Ai Keda Chemical Technology Co., Ltd. | 4008-755-333 18080918076 | 800078821@qq.com | China | 9706 | 55 |
| Huainan Kedi Chemical Factory | 0554-2106669 | sales1@kedichem.com | China | 4914 | 55 |
| Chengdu HuaXia Chemical Reagent Co. Ltd | 400-1166-196 13458535857 | cdhxsj@163.com | China | 13323 | 58 |
View Latest Price from Ethyltriphenylphosphonium acetate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-17 | Ethyltriphenylphosphonium acetate
35835-94-0
|
1KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD | ||
 |
2026-09-02 | Ethyltriphenylphosphonium acetate
35835-94-0
|
$5.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
 |
2026-08-07 | Ethyltriphenylphosphonium acetate
35835-94-0
|
$1.00 | 1KG | 99% | 20 tons | Shaanxi Dideu Medichem Co. Ltd |
-
- Ethyltriphenylphosphonium acetate
35835-94-0
- $0.00
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Ethyltriphenylphosphonium acetate
35835-94-0
- $5.00
- 99%
- Henan Fengda Chemical Co., Ltd
-
- Ethyltriphenylphosphonium acetate
35835-94-0
- $1.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
