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