ChemicalBook >> CAS DataBase List >>PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
- CAS No.
- 2091-46-5
- Chemical Name:
- PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
- Synonyms
- prop;HC≡CCH2P(Br)(C6H5)3;Proparyltriphenylphosphonium bromide;TRIPHENYLPROPARGYLPHOSPHONIUM BROMIDE;PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE;PROPARGYLTRIPHENYHLPHOSPHONIUM BROMIDE;2-PROPYNYLTRIPHENYLPHOSPHONIUM BROMIDE;prop-2-ynyltriphenylphosphonium bromide;2-PROPINYL-TRIPHENYLPHOSPHONIUM BROMIDE;TriphenylpropargylphosphoniumBromide>
- CBNumber:
- CB1103946
- Molecular Formula:
- C21H18BrP
- Molecular Weight:
- 381.25
- MDL Number:
- MFCD00011811
- MOL File:
- 2091-46-5.mol
Last updated:2026-01-13 11:13:22
| Product description | Number | Pack Size | Price |
| TRIPHENYL-PROP-2-YNYL-PHOSPHONIUM, BROMIDE AldrichCPR | S35441 | 1 unit | $30.7 |
| TRIPHENYL-PROP-2-YNYL-PHOSPHONIUM, BROMIDE Aldrich | S35441 | 100mg | $29.8 |
| 2-Propinyl-triphenylphosphonium bromide for synthesis | 8.41338 | 5G | $121 |
| Triphenylpropargylphosphonium Bromide >98.0%(T) | P1438 | 5g | $41 |
| Triphenylpropargylphosphonium Bromide >98.0%(T) | P1438 | 25g | $161 |
| Melting point | 177-180 °C(lit.) |
|---|---|
| storage temp. | Store below +30°C. |
| solubility | Soluble in methanol. |
| form | solid |
| color | White to Almost white |
| Sensitive | Hygroscopic |
| BRN | 3579775 |
| InChI | 1S/C21H18P.BrH/c1-2-18-22(19-12-6-3-7-13-19,20-14-8-4-9-15-20)21-16-10-5-11-17-21;/h1,3-17H,18H2;1H/q+1;/p-1 |
| InChIKey | AFZDAWIXETXKRE-UHFFFAOYSA-M |
| CAS DataBase Reference | 2091-46-5(CAS DataBase Reference) |
| UNSPSC Code | 12352107 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 20/21/22-36/37/38 | |||||||||
| Safety Statements | 26-36/37 | |||||||||
| RIDADR | UN 2811 6.1/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| HS Code | 2931.90.6000 | |||||||||
| Storage Class | 6.1C - Combustible, acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
|||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
|
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE price More Price(20)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | S35441 | TRIPHENYL-PROP-2-YNYL-PHOSPHONIUM, BROMIDE AldrichCPR | 2091-46-5 | 1 unit | $30.7 | 2025-07-31 | Buy |
| Sigma-Aldrich | S35441 | TRIPHENYL-PROP-2-YNYL-PHOSPHONIUM, BROMIDE Aldrich | 2091-46-5 | 100mg | $29.8 | 2024-03-01 | Buy |
| Sigma-Aldrich | 8.41338 | 2-Propinyl-triphenylphosphonium bromide for synthesis | 2091-46-5 | 5G | $121 | 2023-01-07 | Buy |
| TCI Chemical | P1438 | Triphenylpropargylphosphonium Bromide >98.0%(T) | 2091-46-5 | 5g | $41 | 2025-07-31 | Buy |
| TCI Chemical | P1438 | Triphenylpropargylphosphonium Bromide >98.0%(T) | 2091-46-5 | 25g | $161 | 2025-07-31 | Buy |
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE Chemical Properties,Uses,Production
Chemical Properties
WHITE TO SLIGHTLY YELLOW FINE CRYSTALLINE POWDER
Uses
Propargyltriphenylphosphonium bromide can be used in the alcylation of amines. It is a commonly used as a Wittig reagent.
Preparation
Propargyltriphenylphosphonium bromide is readily available from Triphenylphosphine and propargyl bromide (see Propargyl Chloride) (eq 1). The presence of hydrogen bromide is absolutely necessary, otherwise the base Ph3P causes the formation of tarry products.
Purification Methods
It recrystallises from 2-propanol as white plates. It also crystallises from EtOH with m 156-158o. IR has max 1440, 1110cm1 (P-C str). [Elter & Dediger Justus Liebigs Ann Chem 682 62 1965, Schweizer et al. J Org Chem 42 200 1977].
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE Preparation Products And Raw materials
Raw materials
Preparation Products
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE Suppliers
Global( 108)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29795 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-81139210 +86-18192627656 | 1059@dideu.com | China | 3589 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52846 | 58 |
| Henan Alfa Chemical Co., Ltd | +8615838112936 | sale03@alfachem.cn | China | 12761 | 58 |
| Nextpeptide Inc | +86-0571-81612335 +8613336028439 | sales@nextpeptide.com | China | 19908 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 24597 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| PT CHEM GROUP LIMITED | +86-85511178; | peter68@ptchemgroup.com | China | 35425 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 | info@gihichemicals.com | China | 49964 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20128 | 58 |
View Lastest Price from PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-12 | TriphenylpropargylphosphoniuM BroMide
2091-46-5
|
US $1.00-0.00 / KG | 1KG | 99% | 20 tons | Shaanxi Dideu Medichem Co. Ltd | |
 |
2021-08-12 | PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
2091-46-5
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd | |
 |
2020-03-08 | Triphenyl-2-propynylphosphonium bromide
2091-46-5
|
US $10.00-100.00 / KG | 1KG | Min98% HPLC | g/kg/ton | Career Henan Chemical Co |
-
- TriphenylpropargylphosphoniuM BroMide
2091-46-5
- US $1.00-0.00 / KG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-
- PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
2091-46-5
- US $15.00-10.00 / KG
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
-
- Triphenyl-2-propynylphosphonium bromide
2091-46-5
- US $10.00-100.00 / KG
- Min98% HPLC
- Career Henan Chemical Co
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1of4
2-PROPYNYLTRIPHENYLPHOSPHONIUM BROMIDE
2-PROPINYL-TRIPHENYLPHOSPHONIUM BROMIDE
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
TRIPHENYLPROPARGYLPHOSPHONIUM BROMIDE
TRIPHENYL(2-PROPYNYL)PHOSPHONIUM BROMIDE
PROPARGYLTRIPHENYHLPHOSPHONIUM BROMIDE
prop-2-ynyltriphenylphosphonium bromide
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE, 9 8%
(2-propyn-1-yl)triphenylphosphonium bromide
triphenyl-2-propyn-1-ylphosphonium bromide
PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE,99+%
HC≡CCH2P(Br)(C6H5)3
Propargyltriphenylphosphonium Bromide
Triphenyl(2-propynyl)phosphonium Bromide
TRIPHENYL-PROP-2-YNYL-PHOSPHONIUM, BROMIDE
Triphenyl(prop-2-yn-1-yl)phosphonium bromide
2-Propinyl-triphenylphosphonium bromide for synthesis
prop
TriphenylpropargylphosphoniumBromide>
Phosphonium, triphenyl-2-propyn-1-yl-, bromide (1:1)
Proparyltriphenylphosphonium bromide
2091-46-5
C21H18PBr
C21H18BrP
HCCCH2PC6H53Br
H18C21PBr
HC8801CCH2PBrC6H53
C-C Bond Formation
Olefination
Synthetic Reagents
Wittig Reagents
Acetylenes
Functionalized Acetylenes
Wittig & Horner-Emmons Reaction
Phosphonium Compounds
Wittig Reaction
Wittig & Horner-Emmons Reaction
Wittig Reaction
Acetylenes
Functionalized Acetylenes
Phosphonium Compounds
Synthetic Organic Chemistry
