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8.18604 Sigma-Aldrich

Tributyl phosphate

for synthesis

Synonym: TBP, TBPA

  • CAS Number 126-73-8

  • Linear Formula (CH3(CH2)3O)3PO

  • Molecular Weight 266.31

  •  Beilstein/REAXYS Number 1710584

  •  MDL number MFCD00009436

  •  EC Index Number 204-800-2

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Properties

Quality Level   200
vapor density   9.2 (vs air)
vapor pressure   27 mmHg ( 178 °C)
  7.3 mmHg ( 150 °C)
autoignition temp.   770 °F
potency   1550 mg/kg LD50, oral (Rat)
  >3100 mg/kg LD50, skin (Rabbit)
refractive index   n20/D 1.424 (lit.)
bp   180-183 °C/22 mmHg (lit.)
mp   −79 °C (lit.)
transition temp   flash point 146 °C
solubility   6 g/L
density   0.979 g/mL at 25 °C (lit.)
SMILES string   CCCCOP(=O)(OCCCC)OCCCC
InChI   1S/C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3
InChI key   STCOOQWBFONSKY-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.976 - 0.978
Identity (IR): passes test

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