8.18606

Triisobutyl phosphate

for synthesis

• Synonym(s): Triisobutyl phosphate
• Linear Formula: ((CH₃)₂CHCH₂)₃PO
• CAS Number: 126-71-6
• Molecular Weight: 266.31
• UNSPSC Code: 12352108
• EC Index Number: 204-798-3
• NACRES: NA.22

Properties

• vapor pressure: 0.002 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99.0% (GC)
• form: liquid
• autoignition temp.: 430 °C (DIN 51794)
• potency: >5000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rabbit)
• bp: 272 °C/1013 hPa (decomposes)
• mp: <-60 °C
• transition temp: flash point 133 °C (DIN 51758)
• solubility: 0.26 g/L
• density: 0.965 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C12H27O4P/c1-10(2)7-14-17(13,15-8-11(3)4)16-9-12(5)6/h10-12H,7-9H2,1-6H3
• InChI key: HRKAMJBPFPHCSD-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.963 - 0.967
Identity (IR): passes test

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H317
• Precautionary Statements: P261 - P272 - P280 - P302 + P352 - P333 + P313 - P362 + P364
• Hazard Classifications: Skin Sens. 1
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 270.5 °F - closed cup
• Flash Point(C): 132.5 °C - closed cup