Provenance

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

Build a label

Substance profile

N,N,N',N'-tetramethyl-4,4'-methylendianiline

N,N,N',N'-tetramethyl-4,4'-methylendianiline is lustrous leaflets.

CAS 101-61-1 C17H22N2 254.37 g/mol Danger

01 · Identification

What N,N,N',N'-tetramethyl-4,4'-met… is

N,N,N',N'-tetramethyl-4,4'-methylendianiline is lustrous leaflets. Its molecular formula is C17H22N2 and its molecular weight is 254.37 g/mol. It boils at 390 °C, melts at 91.5 °C, is practically insoluble in water.

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

CAS number101-61-1
EC number202-959-2
Index number612-201-00-6
Molecular formulaC17H22N2
Molecular weight254.37 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 N,N,N',N'-tetramethyl-4,4'-met…
CodeHazard statement
H350 May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

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

03 · Physical and chemical properties

N,N,N',N'-tetramethyl-4,4'-met… 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
Boiling point 390 °C (734 °F) at 760 mmHg CAMEO
390 °C (734 °F) decomposes HSDB
183 °C (361.4 °F) at 3 mmHg (reduced pressure) HSDB
Melting point 91.5 °C (196.7 °F) HSDB
90.56 °C (195 °F) range, midpoint shown CAMEO
Density 1.14 g/cm³ at 20 °C CAMEO
Solubility Insoluble in water HSDB
Soluble in benzene, ether, carbon disulfide, acids; slightly soluble in cold alcohol, more soluble in hot alcohol HSDB
Slightly soluble in ethanol; soluble in acid; very soluble in ether, benzene, carbon disulfide HSDB
Vapor pressure 0.000075 mmHg below this value, at 20 °C CAMEO
0.0000175 mmHg Haz-Map
Flash point 211.11 °C (412 °F) CAMEO
211 °C (411.8 °F) Haz-Map

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

04 · Handling and storage

Storing and handling N,N,N',N'-tetramethyl-4,4'-met…

Reactivity

4,4'-METHYLENEBIS(N,N-DIMETHYL)BENZENAMINE is incompatible with acids, acid chlorides, acid anhydrides and oxidizing agents. It is also incompatible with active metals, potassium, oxides, chlorates, halogenated compounds, iron chloride, nitro compounds, peroxides, strong ammonia solutions, sulfides and vinyl polymers (NTP, 1992).

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check N,N,N',N'-tetramethyl-4,4… in the storage compatibility matrix →

Get the free GHS / CLP / OSHA deadline calendar

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