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CAS 1 record

CAS 12227-64-4

CAS 12227-64-4 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 12227-64-4
CAS 12227-64-4PubChem CID 136086322

Ponceau 4R aluminum

IUPAC name
aluminum 7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
Molecular formula
C20H11AlN2O10S3
Molecular weight
562.5 g/mol
Exact mass
561.9391215 Da
Topological polar surface area
242.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
12
Covalent units
2
Defined stereocentres
0

Also known as

K6DSC8J075C.I. Food Red 7:1EINECS 235-438-3C.I. FOOD RED 7 ALUMINUM LAKEC.I. 16255:1RefChem:867236Aluminum, 7-hydroxy-8-(4-sulfo-1-naphthalenyl)azo-1,3-naphthalenedisulfonato(3-)-235-438-3
5 more reported names
Aluminum, (7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfonato(3-))-Aluminum, [7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonato(3-)]-UNII-K6DSC8J07511652 Dispersed RedC.I.Food Red 7:1
Open full PubChem recordPubChem annotations3D structure image

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match136086322

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 100% (5 of 5) of all reports. Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 5 of 5 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 5 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 5 of 5 reports by companies.; There are 0 notifications provided by 0 of 5 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 12227-64-4

1 total
No records found for this CAS number.

How CAS 12227-64-4 is used on this site

CAS 12227-64-4 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 12227-64-4 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.