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Potassium isopropylxanthate

Also known as: Isopropylxanthic acid potassium salt, Potassium O-isopropyl carbonodithioate, Potassium O-isopropyldithiocarbonate, Potassium isopropyl xanthanate, Potassium isopropyldithiocarbonate, proxan potassium, Carbonodithioic acid, O-(1-methylethyl) ester, potassium salt, EINECS 205-441-4, MFCD00004930

Potassium isopropylxanthate (CAS 140-92-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7KOS2 and a molecular weight of 174.326 g/mol. Key properties include a melting point of 264ºC (dec.)(lit.), a boiling point of 138ºC at 760mmHg, a density of 1.132g/cm3 and a flash point of 37.2ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
140-92-1
Jingsj CID
J-1992847-3
Molecular Formula
C4H7KOS2
Molecular Weight
174.326 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point264ºC (dec.)(lit.)
Boiling Point138ºC at 760mmHg
Density1.132g/cm3
Flash Point37.2ºC
Exact Mass173.957535
PSA66.62000
LogP1.89380

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2930902000
Summary2930902000. other dithiocarbonates (xanthates). 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 Potassium isopropylxanthate?

The CAS number of Potassium isopropylxanthate is 140-92-1.

What are the molecular formula and molecular weight of Potassium isopropylxanthate?

Potassium isopropylxanthate has molecular formula C4H7KOS2 and molecular weight 174.326 g/mol.

Is Potassium isopropylxanthate hazardous?

Potassium isopropylxanthate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "Potassium isopropylxanthate (CAS 140-92-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992847-3 (accessed 2026-11-09).

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