CAS 1 record

CAS 57455-37-5

CAS 57455-37-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 57455-37-5

CAS 57455-37-5PubChem CID 71587188

C.I. Pigment Blue 29

Molecular formula: Al6Na8O24S3Si6
Molecular weight: 994.5 g/mol
Exact mass: 993.463108 Da
Topological polar surface area: 581.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 27
Covalent units: 21
Defined stereocentres: 0

Also known as

Ultramarine BlueI39WR998BIC. I. 77007RefChem:917800611-533-9691-383-9Azure blueUNII-I39WR998BI

13 more reported names

LazuriteUltramarineLAZURITE [MI]ULTRAMARINE [MI]3516 ULTRA BLUE3522 ULTRA BLUEULTRAMARINE (MINERAL)IRERQBUNZFJFGC-UHFFFAOYSA-LULTRAMARINE BLUE (MINERAL)ULTRAMARINE BLUE CI 77007ALUMINUM SODIUM THIOSILICATE BLUELAZURITE (NA5(AL3(SIO4)3S))LAZURITE (CA2NA6(AL6(SIO4)6(SO4)S))

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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 57455-37-5

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How CAS 57455-37-5 is used on this site

CAS 57455-37-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 57455-37-5 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.