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CAS 5997-53-5

CAS 5997-53-5 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 5997-53-5
CAS 5997-53-5PubChem CID 23663543

Ensulizole sodium

IUPAC name
sodium 2-phenyl-3H-benzimidazole-5-sulfonate
Molecular formula
C13H9N2NaO3S
Molecular weight
296.28 g/mol
Exact mass
296.02315761 Da
Topological polar surface area
94.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
0

Also known as

Sodium phenylbenzimidazole sulfonate66LQ48A9BTSodium 2-phenyl-5-benzimidazolesulfonateENSULIZOLE SODIUM SALT2-Phenyl-1H-benzimidazole-5-sulfonic acid sodium saltPhenylbenzimidazole sulfonic acid sodium salt1H-Benzimidazole-5-sulfonic acid, 2-phenyl-, monosodium saltENSULIZOLE SODIUM [WHO-DD]
16 more reported names
ENSULIZOLE SODIUM SALT [MI]5(or 6)-Benzimidazolesulfonic acid, 2-phenyl-, sodium salt1H-Benzimidazole-6-sulfonic acid, 2-phenyl-, sodium salt (1:1)PHENYLBENZIMIDAZOLE-5-SULFONATE SODIUMPHENYLBENZIMIDAZOLE-5-SULPHONATE SODIUM2-PHENYL-5-BENZIMIDAZOLSULFONATE SODIUMSODIUM 2-PHENYL-1H-BENZYLIMIDAZOLE-5-SULFONATE2-PHENYL-5-BENZIMIDAZOLSULFONATE SODIUM [WHO-DD]RefChem:590857SODIUM PHENYLBENZIMIDAZOLE SULFONATE [INCI]611-922-3sodium;2-phenyl-3H-benzimidazole-5-sulfonateSodium 2-phenyl-1H-benzo[d]imidazole-5-sulfonate2-Phenylbenzimidazole-5-sulfonic acid sodium saltUNII-66LQ48A9BTJNUBZSFXMKCDFD-UHFFFAOYSA-M
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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 5997-53-5

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How CAS 5997-53-5 is used on this site

CAS 5997-53-5 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 5997-53-5 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.