20445-88-9

Basic information

• Product Name: HISHICOLIN PX-4MP
• Synonyms: HISHICOLIN PX-4MP;Methyltri-n-butylphosphonium Dimethylphosphate;tri-n-butyl(methyl)phosphonium dimethyl phosphate;Tributyl(methyl)phosphonium dimethyl phosphate
• CAS NO: 20445-88-9
• Molecular Formula: C₂H₆O₄P*C₁₃H₃₀P
• Molecular Weight: 342.4
• Product Categories: Phosphonium Salts
• Mol File: 20445-88-9.mol
• Article Data: 2

Chemical Properties

• Appearance: /
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• CAS DataBase Reference: HISHICOLIN PX-4MP(CAS DataBase Reference)
• NIST Chemistry Reference: HISHICOLIN PX-4MP(20445-88-9)
• EPA Substance Registry System: HISHICOLIN PX-4MP(20445-88-9)

Safety Data

• Hazardous Substances Data: 20445-88-9(Hazardous Substances Data)

Usage

General Description

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Upstream product

• 512-56-1 trimethyl phosphite 
• 998-40-3 tributylphosphine 
• 813-78-5 dimethylphosphoric acid 
• 2304-24-7 methyltributylphosphonium chloride 

Relevant articles and documents

Physicochemical properties of tri-n-butylalkylphosphonium cation-based room-temperature ionic liquids

The physicochemical properties of novel four tri-n-butylalkylphosphonium- based room-temperature ionic liquids (RTILs), tri-n-butylmethylphosphonium dimethylphosphate ([P4,4,4,1][DMP]), tri-n-butyl(2-hydroxymethyl) phosphonium bis(trifluoromethylsulfonyl)amide ([P4,4,4,2OH][Tf 2N]), tetra-n-butylphosphonium O,Oa?2-diethylphosphorodithioate ([P4,4,4,4][DEPDT]), and tri-n-butyldodecylphosphonium 3,5-bis(methoxycarbonyl)benzenesulfonate ([P4,4,4,12][MCBS]), were examined in this study. All RTILs showed a favorable thermal decomposition temperature exceeding 560 K. Of these, [P4,4,4,12][MCBS] exhibited a fairly high thermal stability compared with common phosphonium cation-based RTILs reported to date. Interestingly [P4,4,4,1][DMP] formed an ionic plastic crystal phase within a range of 279-290 K, but that was not the case with [P4,4,4,4][DEPDT], which is similar in the cation and anion structures to the [P4,4,4,1]+ and [DMP]-. [P4,4,4,2OH][Tf2N] showed a relatively high conductivity of 0.48 mS cm-1 at 303 K among the RTILs consisting of tri-n-butylalkylphosphonium cation and usual fluoroanion. ? 2013 American Chemical Society.