Bis(2,4,4-trimethylpentyl)phosphinothioic acid

二异辛基硫代次膦酸

Also known as: Diisooctylthiophosphinic acid, bis(2,4,4-trimethylpentyl)phosphinothioic acid, Phosphinothioic acid, P,P-bis(2,4,4-trimethylpentyl)-, Diisooctylmonothiophosphinic acid, Cyanex 302, C 302

Bis(2,4,4-trimethylpentyl)phosphinothioic acid (CAS 132767-86-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H35OPS and a molecular weight of 306.48700 g/mol. It is also known as Diisooctylthiophosphinic acid, bis(2,4,4-trimethylpentyl)phosphinothioic acid and Phosphinothioic acid, P,P-bis(2,4,4-trimethylpentyl)-. Key properties include a boiling point of 380.4ºC at 760 mmHg, a density of 0.93 g/mL at 20ºC(lit.) and a flash point of 96ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
132767-86-3
Jingsj CID
J-1393505-6
Molecular Formula
C16H35OPS
Chinese Name
二异辛基硫代次膦酸
Molecular Weight
306.48700 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point380.4ºC at 760 mmHg
Density0.93 g/mL at 20ºC(lit.)
Flash Point96ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Bis(2,4,4-trimethylpentyl)phosphinothioic acid?

The CAS number of Bis(2,4,4-trimethylpentyl)phosphinothioic acid is 132767-86-3.

What are the molecular formula and molecular weight of Bis(2,4,4-trimethylpentyl)phosphinothioic acid?

Bis(2,4,4-trimethylpentyl)phosphinothioic acid has molecular formula C16H35OPS and molecular weight 306.48700 g/mol.

Is Bis(2,4,4-trimethylpentyl)phosphinothioic acid hazardous?

Bis(2,4,4-trimethylpentyl)phosphinothioic acid has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Bis(2,4,4-trimethylpentyl)phosphinothioic acid (CAS 132767-86-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393505-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.