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CAS 2 records

CAS 3844-45-9

CAS 3844-45-9 matches 2 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 3844-45-9
CAS 3844-45-9PubChem CID 19700

FD&C Blue No. 1

Brilliant Blue is an organic molecular entity. — ChEBI

IUPAC name
disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
Molecular formula
C37H34N2Na2O9S3
Molecular weight
792.9 g/mol
Exact mass
792.12218275 Da
Topological polar surface area
203.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
10
Covalent units
3
Defined stereocentres
0

Also known as

Brilliant Blue FCFBrilliant BlueBlue 1206FD & C Blue no. 1Fenazo Blue XIJapan Blue 1Merantine Blue EGCosmetic Blue Lake
16 more reported names
Hexacol Brilliant Blue ABrilliant Blue FCF supraJapan Blue No. 1Intracid Pure Blue LUsacert Blue No. 1FDC Blue No. 1Food Blue Dye No. 1Modr Kysela 9Aizen Food Blue No. 2Modr Brilantni FCFblue no. 1C.I. ACID BLUE 9, DISODIUM SALTCanacert Brilliant Blue FCFModr Potravinarska 2Usacert FD and C Blue No. 1D&C Blue No. 1
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 3844-45-9

2 total
No records found for this CAS number.

How CAS 3844-45-9 is used on this site

CAS 3844-45-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 2 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 3844-45-9 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.