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1,4-Butanedithiol diacetate

Also known as: Ethanethioic acid, S,S'-1,4-butanediyl ester, 1,4-Bis(acetylthio)butane, NSC 51708, S,S'-Tetramethylene thioacetate, 1,4-Bis-acetylsulfanylbutane, Thioacetic acid S-(4-acetylsulfanylbutyl)ester

1,4-Butanedithiol diacetate (CAS 6633-90-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2S2 and a molecular weight of 206.32600 g/mol. Key properties include a boiling point of 284-285ºC(lit.), a density of 1.128 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
6633-90-5
Jingsj CID
J-1410455-3
Molecular Formula
C8H14O2S2
Molecular Weight
206.32600 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point284-285ºC(lit.)
Density1.128 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass206.04400
PSA84.74000
LogP2.32600
Refractive Indexn20/D 1.5200(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1,4-Butanedithiol diacetate?

The CAS number of 1,4-Butanedithiol diacetate is 6633-90-5.

What are the molecular formula and molecular weight of 1,4-Butanedithiol diacetate?

1,4-Butanedithiol diacetate has molecular formula C8H14O2S2 and molecular weight 206.32600 g/mol.

Is 1,4-Butanedithiol diacetate hazardous?

1,4-Butanedithiol diacetate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1,4-Butanedithiol diacetate?

For 1,4-Butanedithiol diacetate, Upstream Products: 1,4-Dibromobutane, Thioacetic acid, Busulfan; Downstream Products: 1,4-Butanedithiol.

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

Last updated:

How to cite: Jingsj. "1,4-Butanedithiol diacetate (CAS 6633-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410455-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.