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Tin(II) acetate

Also known as: Stannous acetate, Acetic acid, tin(2+) salt, Diacetic acid tin(II) salt, Tin(2+) diacetate, Tin(II) diacetate

Tin(II) acetate (CAS 638-39-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H6O4Sn and a molecular weight of 236.78900 g/mol. Key properties include a melting point of 181-3ºC, a boiling point of 155ºC (0.1 torr), a density of 2.31 g/cm3 and a flash point of 40ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
638-39-1
Jingsj CID
J-917-7
Molecular Formula
C4H6O4Sn
Molecular Weight
236.78900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point181-3ºC
Boiling Point155ºC (0.1 torr)
Density2.31 g/cm3
Flash Point40ºC
Exact Mass237.92900
PSA52.60000

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Frequently Asked Questions

What is the CAS number of Tin(II) acetate?

The CAS number of Tin(II) acetate is 638-39-1.

What are the molecular formula and molecular weight of Tin(II) acetate?

Tin(II) acetate has molecular formula C4H6O4Sn and molecular weight 236.78900 g/mol.

Is Tin(II) acetate hazardous?

Tin(II) acetate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of Tin(II) acetate?

For Tin(II) acetate, Upstream Products: acetic acid, Tin(II) methoxide, tin; Downstream Products: tin, tetraethylstannane, 1,4-Naphthalenediol, 1,4-diacetate.

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

Last updated:

How to cite: Jingsj. "Tin(II) acetate (CAS 638-39-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-917-7 (accessed 2026-11-07).

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