Canonical ingredient

2-Naphthalenesulfonic acid, 6-hydroxy-5-[(2-methoxy-5- methyl-4-sulfophenyl)azo]-, disodium salt

FD&C Red No. 40

879 linked products

Official identifiers

CAS 25956-17-6 NHPID_ID 12909

Names and synonyms

2-Naphthalenesulfonic acid, 6-hydroxy-5-[(2-methoxy-5- methyl-4-sulfophenyl)azo]-, disodium salt (en)
6-Hydroxy-5-[(2-méthoxy-4-sulfonato-m-tolyl)azo]naphtalène-2-sulfonate de disodium (fr-CA)

Source-scoped chemical properties

Every value keeps its own authority, licence and retrieval date. Conflicting values are not silently merged.

canada dsl listing: listed; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl bioaccumulative: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl inherently toxic aquatic: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets cepa categorization: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets environmental: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl meets human health: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl persistent: No; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03
dsl substance category: Organics; canada_dsl_categorization · Open Government Licence - Canada 2.0 · 2026-08-03

Safety and technical documents

General references and manufacturer-specific SDS documents are kept separate.

0 document(s)

No verified SDS or technical sheet is linked yet. This absence is explicit and does not mean that no document exists.

End-to-end traceability

Only links supported by an identified source are published. Missing evidence remains explicitly unknown.

Partial chain

Evidence still missing

Country or region of origin
Raw-material producer
Ingredient manufacturer
Distributor
Transformation steps

Method: a company’s registration country is never used as evidence of a material’s origin.

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