Triisobutylphosphine
[CAS# 4125-25-1]

Identification

• Classification: Organic raw materials >> Organic phosphine compound
• Name: Triisobutylphosphine
• Synonyms: Tris(2-methylpropyl)phosphine
• Molecular Formula: C₁₂H₂₇P
• Molecular Weight: 202.32
• CAS Registry Number: 4125-25-1
• EC Number: 223-934-2

Properties

• Solubility: Insoluble (3.0E^-3 g/L) (25 °C), Calc.^*
• Boiling point: >171.8 °C^**
• Refractive index: 1.4530 (589.3 nm 25 °C)^***
• Flash point: 103.3±25.0 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** GB 673451 1952.

^*** Rauhut, M. M.

Safety Data

• Hazard Symbols: F;C
• Risk Statements: R17;R20/21/22;R34
• Safety Statements: S16;S23;S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Flammable liquids	Flam. Liq.	2	H225
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H332
Pyrophoric liquids	Pyr. Liq.	1	H250
Serious eye damage	Eye Dam.	1	H318
Acute toxicity	Acute Tox.	4	H312

• Transport Information: UN 2845 4.2/PG 1