Tributyl phosphate

• Category :

  Organic chemicals and Derivatives/Acid, ester and anhydride compounds

• Synonyms :

  TBP;Tributyl Phosphate (TBP);Tributyl Phosphsate;Tri-n-butyl phosphate;Phosphoric acid tri-n-butyl ester;Nitrogen-Oxygen free radical piperidycol;Three butyl acrylate acid flame retardant agent;

• CAS NO :

  126-73-8

• EC NO :

  204-800-2

• Molecular Formula :

  C₁₂H₂₇O₄P

• Molecular Weight :

  266.3141

• Main Specifications :

• InChI :

  InChI=1/C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3

• Product description :

  Product name: Tributyl phosphate

  English name: Tributyl phosphate, Tri-n-butyl phosphate, Butyl phosphate, Phosphoric acid tri-n-butyl ester

  Trade name: Tributyl phosphate, antifoaming agent Tributyl phosphate, TBP

  Molecular formula: C₁₂H₂₇O₄P

  Structural formula: 

  Relative molecular quality: 266.32

  CAS No.: 126-73-8

  EINECS No.: 204-800-2

  ICSC No.: 0584

  RETCS No.: TC7700000

  HS code: 29199000.20

  Physicochemical property

  It is colorless to light yellow transparent liquid; melting point: ＜-80℃; boiling point: 289℃; relative density: 0.9729(25/4℃); relative vapour density: 9.2,; dynamic viscosity: 3.5-4.0mN/m; refractive index: 1.4226; octanol/water partition coefficients: 4.0; water solubility: 0.1%; soluble in most organic solvent; lightly soluble in glycerol, hexanediol and amine; flashing point: 146℃; autoignition temperature＞482℃

   

  Storage

  Should be preserved in seal container in cool and ventilated warehouse without drain-pipe and sewer;
  Storage temperature should be no higher than 70℃;
  Separate from food and drink;
  Keep it away from fire and heat source, oxidizing agent, acids and alkaline;

  Stability: stable under normal pressure and temperature

   

  Main uses

  Chemical reagent, high boiling point solvent, as plasticizer of nitrocellulose, cellulose acetate, chlorinated rubber and PVC; as solvent of coating, adhesive agent and printing ink; as heat exchange medium, construction material additive, carrier of fluorochrome

  Adding in food and feed additive is strictly forbidden.

   

  Quality parameter
  Executive standard: Q/320205GKAM03-2015

   

  Item	Index
  	high purity	superior grade	antifoaming grade
  APHA	10	10	30
  refractive index n20D	-	-	1.3900-1.4200
  acid value, mg(KOH)/g≤	0.02	0.10	0.5
  moisture (H2O), w/g≤	0.05	0.10	-
  density(20℃),g/ml	0.975-0.980	0.974-0.980	-
  content[(C4H9O)3PO], w/%≥	99.6	99.0	-
  heating loss(105℃/3h), %≤	1.0	-	-

  Packaging

  15kg plastic drum, 200kg iron drun, IBC, ISO-TANK

• Molecular Structure :