Provenance

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

Build a label

Substance profile

(methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'-dipyridinium dichloride dihydrochloride

(methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'-dipyridinium dichloride dihydrochloride is a chemical substance with the molecular formula C45H54Cl4N10O4.

CAS 118658-99-4 C45H54Cl4N10O4 940.8 g/mol Danger

01 · Identification

What (methylenebis(4,1-phenylenazo(… is

(methylenebis(4,1-phenylenazo(1-(3-(dimethylamino)propyl)-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-5,3-diyl)))-1,1'-dipyridinium dichloride dihydrochloride is a chemical substance with the molecular formula C45H54Cl4N10O4. Its molecular formula is C45H54Cl4N10O4 and its molecular weight is 940.8 g/mol.

Under the GHS it carries the signal word Danger.

CAS number118658-99-4
EC number401-500-5
Index number611-099-00-0
Molecular formulaC45H54Cl4N10O4
Molecular weight940.8 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 wordDanger
Hazard statements assigned to (methylenebis(4,1-phenylenazo(…
CodeHazard statement
H350 May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H411 Toxic to aquatic life with long lasting effects.

Precautionary statements: P201, P273, P280, P308, P313, P391, P501

Get the free GHS / CLP / OSHA deadline calendar

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