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CAS 1317-40-4

CAS 1317-40-4 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 1317-40-4
CAS 1317-40-4PubChem CID 165914

Copper sulfide (CuS)

IUPAC name
copper sulfide
Molecular formula
CuS
Molecular weight
95.61 g/mol
Exact mass
94.901668 Da
Topological polar surface area
1.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
2
Defined stereocentres
0

Also known as

Copper(2+) sulfideCopper BlueMonocopper monosulfideKL4YU612X7CHEBI:51110NSC-47694CI 77450RefChem:127880
16 more reported names
cpd with unspecified MF of cupric sulfide215-271-2C.I. 77450Copper(II) sulfideCupric sulfideHorace Vernet's BlueNatural covellitesulfanylidenecopperCopper sulfide (CuS2)copper;sulfideKupfer(II)-sulfidUltra Dry Copper SulfideCUPRIC SULFIDE [MI]CUPRIC SULFIDE [HSDB]copper monosulfide (covelline)OMZSGWSJDCOLKM-UHFFFAOYSA-N
Open full PubChem recordPubChem annotations3D structure image
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 1317-40-4

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How CAS 1317-40-4 is used on this site

CAS 1317-40-4 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 1317-40-4 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.