Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

Build a label

Substance profile

2'-(4-Chloro-3-cyano-5-formyl-2-thienyl)azo-5'-diethylaminoacetanilide

2'-(4-Chloro-3-cyano-5-formyl-2-thienyl)azo-5'-diethylaminoacetanilide is a chemical substance with the molecular formula C18H18ClN5O2S.

CAS 104366-25-8 C18H18ClN5O2S 403.9 g/mol Warning

01 · Identification

What 2'-(4-Chloro-3-cyano-5-formyl… is

2'-(4-Chloro-3-cyano-5-formyl-2-thienyl)azo-5'-diethylaminoacetanilide is a chemical substance with the molecular formula C18H18ClN5O2S. Its molecular formula is C18H18ClN5O2S and its molecular weight is 403.9 g/mol.

Under the GHS it carries the signal word Warning.

CAS number104366-25-8
EC number405-200-5
Index number611-101-00-X
Molecular formulaC18H18ClN5O2S
Molecular weight403.9 g/mol

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to 2'-(4-Chloro-3-cyano-5-formyl…
CodeHazard statement
H317 May cause an allergic skin reaction.

Precautionary statements: P261, P272, P280, P313, P333

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.