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: 2026-09-12 18:48:34
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
Cyclobutanone (R)-(-)-2-Amino-1-propanol Fmoc-OSu 5-bromo-4-fluoro-2-nitrobenzaldehyde 2-Amino-2-(4-methylphenyl)acetic acid 1-(2-Chloroethyl)pyrrolidine Hydrochloride 2,4-Dihydroxybenzaldehyde Obidoxime hydrochloride API Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamideRelated products of tetrahydrofuran
You may like
-
Propargyltriphenylphosphonium bromide 95% CAS 2091-46-5View Details
2091-46-5 -
Triphenylpropargylphosphonium Bromide CAS 2091-46-5View Details
2091-46-5 -
TRIPHENYL-PROP-2-YNYL-PHOSPHONIUM, BROMIDE CAS 2091-46-5View Details
2091-46-5 -
7250-67-1 1-(2-Chloroethyl)pyrrolidine Hydrochloride 98+View Details
7250-67-1 -
545445-44-1 3-Morpholino-1-(4-(2-oxopiperidin-1-yl) phenyl)-5,6-dihyropyridin-2-(1H)-one 98%View Details
545445-44-1 -
6629-04-5 98%View Details
6629-04-5 -
4-(4-Αminophenyl)-3-Morpholinone 98%View Details
438056-69-0 -
1-(4-Aminophenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one 1267610-26-3 98%View Details
1267610-26-3
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.