Dibutyl thiodiacetate

硫代二乙酸二丁酯

Also known as: Thiodiacetic acid dibutyl ester, Dibutyl 2,2'-thiobisacetate, Dibutyl 2,2'-sulfanediyldiacetate, Dibutyl 2,2'-thiodiethanoate, Thiodiglycollic acid dibutyl ester, bis-butoxycarbonylmethyl sulfide, butyl 2-(2-butoxy-2-oxoethyl)sulfanylacetate, EINECS 223-914-3

Dibutyl thiodiacetate (CAS 4121-12-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H22O4S and a molecular weight of 262.366 g/mol. It is also known as Thiodiacetic acid dibutyl ester, Dibutyl 2,2'-thiobisacetate and Dibutyl 2,2'-sulfanediyldiacetate. Key properties include a boiling point of 329.5±27.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 143.3±11.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4121-12-4
Jingsj CID
J-1116364-2
Molecular Formula
C12H22O4S
Chinese Name
硫代二乙酸二丁酯
Molecular Weight
262.366 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point329.5±27.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point143.3±11.7 °C
Exact Mass262.123871
PSA77.90000
LogP4.44
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.471

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Dibutyl thiodiacetate?

The CAS number of Dibutyl thiodiacetate is 4121-12-4.

What are the molecular formula and molecular weight of Dibutyl thiodiacetate?

Dibutyl thiodiacetate has molecular formula C12H22O4S and molecular weight 262.366 g/mol.

What are the upstream and downstream products of Dibutyl thiodiacetate?

For Dibutyl thiodiacetate, Upstream Products: Thiodiacetic acid, 1-Butanol, Butyl chloroacetate.

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

Last updated:

How to cite: Jingsj. "Dibutyl thiodiacetate (CAS 4121-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116364-2 (accessed 2026-10-28).

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