PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
Synonym(s):2-Propinyl-triphenylphosphonium bromide;Propargyltriphenylphosphonium bromide, (2-Propin-1-yl)-triphenylphosphonium bromide
- CAS NO.:2091-46-5
- Empirical Formula: C21H18BrP
- Molecular Weight: 381.25
- MDL number: MFCD00011811
- EINECS: 218-242-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02

What is PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE?
Chemical properties
WHITE TO SLIGHTLY YELLOW FINE CRYSTALLINE POWDER
The Uses of PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
Propargyltriphenylphosphonium bromide can be used in the alcylation of amines. It is a commonly used as a Wittig reagent.
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].
Properties of PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
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 |
CAS DataBase Reference | 2091-46-5(CAS DataBase Reference) |
Safety information for PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
Signal word | Warning |
Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for PROPARGYLTRIPHENYLPHOSPHONIUM BROMIDE
New Products
3-Iodophenylacetic acid 3-Pyridineacetonitrile, α-hydroxy- 2-Propanamine, 1-chloro-, hydrochloride (9CI) 3-(hexyloxy)-4-(pyridin-3-yl)-1,2,5-thiadiazole 2-Hexyn-1-ol Dibenzo-18-crown-6 Nickel(II) perchlorate hexahydrate, 98% 4-Bromophenylacetonitrile, 95% 3-Bromo-4-fluoroaniline, 97% Sodium tetraborate decahydrate, 98% Palladium(II) acetate, trimer, Pd 99% 4-Bromo-2-chlorotoluene, 97% N N Dimethylformamide Dimethyl Acetal (Dmf Dma) 2,3-Dichloro Benzoyl Cyanide [Side Chain] Bis(2-Chloroethyl) Amine Hydrochloride L-Glutamic Acid Diethyl Ester Hydrochloride 5-(Difluoromethoxy)-2-Mercaptobenzimidazole 1-Ethyl-3-(3-Dimethylaminopropyl)-Carbodiimide Hydrochloride [EDC Hcl] 1,4-Napthoquinone Bromoiodomethane Sodium Bicarbonate Methylene Dichloride (MDC) Ethyl Acetate Indole-3-Carbinol (I3C)Related products of tetrahydrofuran








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