Butyltriphenylphosphonium bromide
(n-Butyl)triphenylphosphonium bromide
CAS: 1779-51-7
Molecular Formula: C22H24BrP
Butyltriphenylphosphonium bromide - Names and Identifiers
| Name | (n-Butyl)triphenylphosphonium bromide |
| Synonyms | BTPPBR butyltriphenyl-phosphoniubromide Butylriphenylphosphonium Bromide BUTYLTRIPHENYLPHOSPHONIUM BROMIDE Phosphonium,butyltriphenyl-,bromide BUTYL TRIPHENYL PHOSPHOROUS BROMIDE N-BUTYLTRIPHENYLPHOSPHONIUM BROMIDE (1-BUTYL)TRIPHENYLPHOSPHONIUM BROMIDE (n-Butyl)triphenylphosphonium bromide |
| CAS | 1779-51-7 |
| EINECS | 217-219-4 |
| InChI | InChI=1/C22H25P.BrH/c1-2-3-19-23(20-13-7-4-8-14-20,21-15-9-5-10-16-21)22-17-11-6-12-18-22;/h4-18,23H,2-3,19H2,1H3;1H |
Butyltriphenylphosphonium bromide - Physico-chemical Properties
| Molecular Formula | C22H24BrP |
| Molar Mass | 399.3 |
| Melting Point | 240-243℃ |
| Water Solubility | soluble |
| Appearance | White crystal |
| Storage Condition | RT, stored with nitrogen |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00011855 |
| Use | Reactant for: Free radical 5-exo-dig cyclization Intramolecular hydroacylalkoxylation Wittig reactions for stereoselective synthesis of alkenes Dimerization of α-olefins Alkylidenation of hydrazides for synthesis of indoles Tandem cyclization and 1,2 |
Butyltriphenylphosphonium bromide - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 3464 |
Butyltriphenylphosphonium bromide - Introduction
Soluble in water, soluble in low alcohol, slightly soluble in aromatic hydrocarbons.
Last Update：2022-10-16 17:14:29
Butyltriphenylphosphonium bromide - Nature
| storage conditions | Inert atmosphere,Room Temperature |
| morphology | Crystalline Powder |
| color | White |
| water solubility | soluble |
| sensitivity | Hygroscopic |
| BRN | 3580224 |
| EPA chemical information | Phosphonium, butyltriphenyl-, bromide (1779-51-7) |
Last Update：2024-04-10 22:29:15
Butyltriphenylphosphonium bromide - Uses and synthesis methods
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | intravenous-mouse LD50: 56 mg/kg |
| flammability hazard characteristics | Thermal decomposition discharges toxic phosphorus oxides, bromide fumes |
| storage and transportation characteristics | The warehouse is ventilated and dry at low temperature; stored separately from food raw materials |
| fire extinguishing agent | water, dry powder, foam, carbon dioxide |
Last Update：2024-04-10 22:29:15
Butyltriphenylphosphonium bromide - Security information
| WGK Germany | 3 |
| RTECS number | TA1855200 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| customs code | 29319090 |
Last Update：2024-04-10 22:29:15
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