Provenance

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

Build a label

Substance profile

4,4'-methylenedi-o-toluidine

4,4'-methylenedi-o-toluidine is a chemical substance with the molecular formula C15H18N2.

CAS 838-88-0 C15H18N2 226.32 g/mol Danger

01 · Identification

What 4,4'-methylenedi-o-toluidine is

4,4'-methylenedi-o-toluidine is a chemical substance with the molecular formula C15H18N2. Its molecular formula is C15H18N2 and its molecular weight is 226.32 g/mol.

Under the GHS it carries the signal word Danger. It is classed as carcinogens.

CAS number838-88-0
EC number212-658-8
Index number612-085-00-7
Molecular formulaC15H18N2
Molecular weight226.32 g/mol
Chemical class Carcinogens

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 4,4'-methylenedi-o-toluidine
CodeHazard statement
H350 May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H302 Harmful if swallowed.
H317 May cause an allergic skin reaction.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P201, P261, P270, P272, P273, P280, P301, P308, P312, P313, P330, P333, P391, P501

03 · Physical and chemical properties

4,4'-methylenedi-o-toluidine properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Solubility >33.9 [ug/mL] (The mean of the results at pH 7.4) Sanford-Burnham Center for Chemical Genomics

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

Get the free GHS / CLP / OSHA deadline calendar

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