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: 2026-01-13 11:13:22
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
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