Trimethylolpropane tris(3-mercaptopropionate)

三羟甲基丙烷三(3-巯基丙酸酯)

Also known as: 1,1,1-Tris(3-mercaptopropionyloxymethyl)propane, 2-ethyl-2-[(3-mercapto-1-oxopropoxy)methyl]propane-1,3-diyl bis[3-mercaptopropionate], Propanoic acid, 3-mercapto-, 2-ethyl-2-[(3-mercapto-1-oxopropoxy)methyl]-1,3-propanediyl ester, TMPMP, TTMP

Trimethylolpropane tris(3-mercaptopropionate) (CAS 33007-83-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H26O6S3 and a molecular weight of 398.55800 g/mol. It is also known as 1,1,1-Tris(3-mercaptopropionyloxymethyl)propane, 2-ethyl-2-[(3-mercapto-1-oxopropoxy)methyl]propane-1,3-diyl bis[3-mercaptopropionate] and Propanoic acid, 3-mercapto-, 2-ethyl-2-[(3-mercapto-1-oxopropoxy)methyl]-1,3-propanediyl ester. Key properties include a boiling point of 479.8ºC at 760 mmHg, a density of 1.212 g/cm3 and a flash point of 403.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33007-83-9
Jingsj CID
J-1319368-1
Molecular Formula
C15H26O6S3
Chinese Name
三羟甲基丙烷三(3-巯基丙酸酯)
Molecular Weight
398.55800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point479.8ºC at 760 mmHg
Density1.212 g/cm3
Flash Point403.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Trimethylolpropane tris(3-mercaptopropionate)?

The CAS number of Trimethylolpropane tris(3-mercaptopropionate) is 33007-83-9.

What are the molecular formula and molecular weight of Trimethylolpropane tris(3-mercaptopropionate)?

Trimethylolpropane tris(3-mercaptopropionate) has molecular formula C15H26O6S3 and molecular weight 398.55800 g/mol.

Is Trimethylolpropane tris(3-mercaptopropionate) hazardous?

Trimethylolpropane tris(3-mercaptopropionate) has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Trimethylolpropane tris(3-mercaptopropionate) (CAS 33007-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319368-1 (accessed 2026-10-25).

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