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CAS 140-92-1

CAS 140-92-1 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 140-92-1
CAS 140-92-1PubChem CID 10931938

Proxan potassium

IUPAC name
potassium propan-2-yloxymethanedithioate
Molecular formula
C4H7KOS2
Molecular weight
174.3 g/mol
Exact mass
173.95753867 Da
Topological polar surface area
42.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
0

Also known as

Potassium isopropylxanthateProxan-potassiumIsopropylxanthic acid potassium saltPotassium isopropyl xanthateIsopropyl potassium xanthatePotassium isopropyl xanthanateCarbonodithioic acid, O-(1-methylethyl) ester, potassium saltPotassium O-isopropyldithiocarbonate
16 more reported names
Potassium isopropyl xanthogenateEINECS 205-441-4NSC 154279Xanthic acid, isopropyl-, potassium saltCarbonodithioic acid, O-(1-methylethyl) ester, potassium salt (1:1)Dithiocarbonic acid O-isopropyl ester potassium saltNSC-154279Carbonic acid, dithio-, O-isopropyl ester, potassium saltPOTASSIUM ISOPROPYL DITHIOCARBONATEO-ISOPROPYL DITHIOCARBONATE POTASSIUM SALTRefChem:870052205-441-4potassium O-isopropyl carbonodithioateC4H7KOS2potassium;propan-2-yloxymethanedithioatepotassium [(propan-2-yloxy)methanethioyl]sulfanide
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 140-92-1

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How CAS 140-92-1 is used on this site

CAS 140-92-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 140-92-1 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.