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-amino-N,N-diethylaniline

4-amino-N,N-diethylaniline is a liquid.

CAS 93-05-0 C10H16N2 164.25 g/mol Danger

01 · Identification

What 4-amino-N,N-diethylaniline is

4-amino-N,N-diethylaniline is a liquid. Its molecular formula is C10H16N2 and its molecular weight is 164.25 g/mol. It boils at 261 °C, melts at 26.9 °C.

Under the GHS it carries the signal word Danger.

CAS number93-05-0
EC number202-214-1
Index number612-080-00-X
Molecular formulaC10H16N2
Molecular weight164.25 g/mol

Other names for 4-amino-N,N-diethylaniline

  • N,N-diethyl-p-phenylendiamine

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-amino-N,N-diethylaniline
CodeHazard statement
H301 Toxic if swallowed.
H314 Causes severe skin burns and eye damage.

Precautionary statements: P260, P270, P280, P301, P310, P330, P331

03 · Physical and chemical properties

4-amino-N,N-diethylaniline 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 261 °C (501.8 °F) range, midpoint shown HSDB
261.11 °C (502 °F) range, midpoint shown, at 760 mmHg CAMEO
Melting point 26.94 °C (80.5 °F) range, midpoint shown CAMEO
Density 0.988 g/cm³ HSDB
Solubility Insol in water; sol in alcohol and ether HSDB
Very soluble in benzene HSDB
less than 1 mg/mL at 66 °F (NTP, 1992) at 18.89 °C CAMEO
Vapor pressure 0.003 mmHg Haz-Map
Flash point 110 °C (230 °F) above this value CAMEO

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

04 · Handling and storage

Storing and handling 4-amino-N,N-diethylaniline

Reactivity

N,N-DIETHYL-P-PHENYLENEDIAMINE neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check 4-amino-N,N-diethylanilin… 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.