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Tris(2-carboxyethyl)phosphine hydrochloride

三(2-羧乙基)膦盐酸盐

Also known as: TCEP HCl, 3,3',3''-Phosphinetriyltripropanoic acid hydrochloride, 3,3',3''-Phosphinidynetrispropanoic acid hydrochloride, Tri(2-carboxyethyl)phosphine hydrochloride, Tris(2-carboxyethyl)phosphine, hydrochloride, Tris(carboxyethyl)phosphine hydrochloride

Tris(2-carboxyethyl)phosphine hydrochloride (CAS 51805-45-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H16ClO6P and a molecular weight of 286.647 g/mol. It is also known as TCEP HCl, 3,3',3''-Phosphinetriyltripropanoic acid hydrochloride and 3,3',3''-Phosphinidynetrispropanoic acid hydrochloride. Key properties include a melting point of 177 °C, a boiling point of 519.4ºC at 760 mmHg, a density of 1.041 g/mL at 25 °C and a flash point of 267.9ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51805-45-9
Jingsj CID
J-44325-8
Molecular Formula
C9H16ClO6P
Chinese Name
三(2-羧乙基)膦盐酸盐
Molecular Weight
286.647 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point177 °C
Boiling Point519.4ºC at 760 mmHg
Density1.041 g/mL at 25 °C
Flash Point267.9ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Tris(2-carboxyethyl)phosphine hydrochloride?

The CAS number of Tris(2-carboxyethyl)phosphine hydrochloride is 51805-45-9.

What are the molecular formula and molecular weight of Tris(2-carboxyethyl)phosphine hydrochloride?

Tris(2-carboxyethyl)phosphine hydrochloride has molecular formula C9H16ClO6P and molecular weight 286.647 g/mol.

Is Tris(2-carboxyethyl)phosphine hydrochloride hazardous?

Tris(2-carboxyethyl)phosphine hydrochloride 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. "Tris(2-carboxyethyl)phosphine hydrochloride (CAS 51805-45-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44325-8 (accessed 2026-10-24).

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