Product Name

  • Name

    (2-HYDROXYETHYL)TRIPHENYLPHOSPHONIUM BROMIDE

  • EINECS 245-521-6
  • CAS No. 7237-34-5
  • Article Data12
  • CAS DataBase
  • Density 1.26g/cm3
  • Solubility
  • Melting Point 217-219 °C(lit.)
  • Formula C20H20BrOP
  • Boiling Point 499.5°C at 760 mmHg
  • Molecular Weight 387.256
  • Flash Point 255.9°C
  • Transport Information
  • Appearance white powder
  • Safety 3922741
  • Risk Codes R36/37/38
  • Molecular Structure Molecular Structure of 7237-34-5 ((2-HYDROXYETHYL)TRIPHENYLPHOSPHONIUM BROMIDE)
  • Hazard Symbols IrritantXi
  • Synonyms (2-Hydroxyethyl)triphenylphosphoniumbromide (6CI,7CI);Phosphonium, (2-hydroxyethyl)triphenyl-, bromide (8CI,9CI);2-(Triphenylphosphonium)ethanol bromide;
  • PSA 33.82000
  • LogP -0.02320

Phosphonium,(2-hydroxyethyl)triphenyl-, bromide (1:1) Specification

This chemical is called Phosphonium,(2-hydroxyethyl)triphenyl-, bromide (1:1), and its systematic name is (2-hydroxyethyl)(triphenyl)phosphonium bromide. With the molecular formula of C20H20BrOP, its molecular weight is 387.25. The CAS registry number of this chemical is 7237-34-5. Additionally, its product categories are C-C Bond Formation; Olefination; Wittig Reagents. However, this chemical should be stored sealed at the temperature of 0-6°C.

Other characteristics of the Phosphonium,(2-hydroxyethyl)triphenyl-, bromide (1:1) can be summarised as followings: (1)#H bond acceptors: 1; (2)#H bond donors: 1; (3)#Freely Rotating Bonds: 6; (4)Polar Surface Area: 9.23 Å2.

Production method of this chemical: The Phosphonium,(2-hydroxyethyl)triphenyl-, bromide (1:1) could be obtained by the reactants of triphenylphosphane and 2-bromo-ethanol. This reaction needs the solvent of benzene. The yield is 86 %. In addition, this reaction needs the condition of heating.

Uses of this chemical: The Phosphonium,(2-hydroxyethyl)triphenyl-, bromide (1:1) could react with methanol, and obtain the Triphenyl-2-methoxy-ethyl-phosphoniumbromid. This reaction needs the reagent of KOH. The yield is 70 %. In addition, this reaction should be taken for 1 day at the temperature of 65 °C.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing when you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure: 
1.SMILES: [Br-].OCC[P+](c1ccccc1)(c2ccccc2)c3ccccc3
2.InChI: InChI=1/C20H20OP.BrH/c21-16-17-22(18-10-4-1-5-11-18,19-12-6-2-7-13-19)20-14-8-3-9-15-20;/h1-15,21H,16-17H2;1H/q+1;/p-1
3.InChIKey: QZJOQNHOOVSESC-REWHXWOFAM

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