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Methyltriphenylphosphonium bromide

Basic information Safety Supplier Related

Methyltriphenylphosphonium bromide Basic information

Product Name:
Methyltriphenylphosphonium bromide
Synonyms:
  • METHYLTRIPHENYLPHOSPHONIUM BROMIDE
  • TRIPHENYLMETHYLPHOSPHONIUM BROMIDE
  • Bromo(methyl)triphenylphosphorane
  • Methyltriphenylphosphonium bromideDISC. when stock is sold 11/2/00
  • Methyl triphenyl pho
  • Methyltriphenylphosphine bromide
  • Methyltriphenyl phosphorniuM broMide
  • MethyltriphenylphosphoniuM broMide, 98% 100GR
CAS:
1779-49-3
MF:
C19H18BrP
MW:
357.22
EINECS:
217-218-9
Product Categories:
  • Phosphonium Compounds
  • Synthetic Organic Chemistry
  • Wittig & Horner-Emmons Reaction
  • Wittig Reaction
  • C-C Bond Formation
  • Olefination
  • Wittig Reagents
  • organophosphorus compound
Mol File:
1779-49-3.mol
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Methyltriphenylphosphonium bromide Chemical Properties

Melting point:
230-234 °C (lit.)
vapor pressure 
0.0000002 hPa
Flash point:
>240°C
storage temp. 
Inert atmosphere,Room Temperature
solubility 
H2O: 0.1 g/mL, clear
form 
Powder
color 
White
PH
6.0-6.5 (400g/l, H2O, 20℃)
Water Solubility 
400 g/L (25 ºC)
Sensitive 
Hygroscopic
BRN 
3599467
InChIKey
LSEFCHWGJNHZNT-UHFFFAOYSA-M
CAS DataBase Reference
1779-49-3(CAS DataBase Reference)
NIST Chemistry Reference
Methyltriphenylphosphonium bromide(1779-49-3)
EPA Substance Registry System
Phosphonium, methyltriphenyl-, bromide (1779-49-3)
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Safety Information

Hazard Codes 
Xn,Xi
Risk Statements 
20/21/22-36/37/38
Safety Statements 
36/37-36-26
RIDADR 
UN 1390 4.3/PG 2
WGK Germany 
3
Autoignition Temperature
410 °C
TSCA 
T
HazardClass 
6.1
PackingGroup 
III
HS Code 
29310095
Toxicity
LD50 orally in Rabbit: 118 mg/kg

MSDS

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Methyltriphenylphosphonium bromide Usage And Synthesis

Chemical Properties

white powder

Uses

PTC catalyst 

Uses

Methyltriphenylphosphonium Bromide is a lipophilic molecule with a cation allowing for it to be used to deliver molecules to specific cell components. Also considered an antineoplastic agent.

Purification Methods

If the solid is sticky, wash it with *C6H6 and dry it in a vacuum over P2O5. [Marvel & Gall J Org Chem 24 1494 1959, Chem Ber 87 1318 1954, Milas & Priesing J Am Chem Soc 79 6295 1957, Wittig & Sch.llkopf Org Synth 40 66 1960.] The iodide, on recrystallisation from H2O, has m 187.5-188.5o [Mann et al. J Chem Soc 1130 1953, Wittig & Geissler Justus Liebigs Ann Chem 580 44 1953]. [Beilstein 16 IV 981.]

Methyltriphenylphosphonium bromide Preparation Products And Raw materials

Raw materials

Methyltriphenylphosphonium bromideSupplier

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