Provenance

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

Build a label

Substance profile

3,6-diazaoctanethylenediamin

3,6-diazaoctanethylenediamin is moderately viscous, yellowish liquid.

CAS 112-24-3 Danger

01 · Identification

What 3,6-diazaoctanethylenediamin is

3,6-diazaoctanethylenediamin is moderately viscous, yellowish liquid. It boils at 277 °C, melts at 12 °C.

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

CAS number112-24-3
EC number203-950-6
Index number612-059-00-5
Chemical class Corrosives

Other names for 3,6-diazaoctanethylenediamin

  • triethylenetetramine

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 3,6-diazaoctanethylenediamin
CodeHazard statement
H312 Harmful in contact with skin.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H412 Harmful to aquatic life with long lasting effects.

Precautionary statements: P260, P261, P272, P273, P280, P301, P302, P310, P312, P313, P331, P333, P352, P501

03 · Physical and chemical properties

3,6-diazaoctanethylenediamin 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 277 °C (530.6 °F) ICSC
272 °C (521.6 °F) at 760 mmHg DOE PAC
266.5 °C (511.7 °F) range, midpoint shown, at 760 mmHg HSDB
Melting point 12 °C (53.6 °F) HSDB
12.22 °C (54 °F) CAMEO
-35 °C (-31 °F) ICSC
Density 0.98 g/cm³ ICSC
0.9818 g/cm³ at 20 °C HSDB
0.982 g/cm³ at 20 °C CAMEO
Solubility SOL IN ALCOHOL, ACID HSDB
COMPLETE SOLUBILITY IN WATER HSDB
greater than or equal to 100 mg/mL at 68.4 °F (NTP, 1992) at 20.22 °C CAMEO
Vapor pressure 0.0098 mmHg at 20 °C ICSC
0.01 mmHg below this value, at 20 °C HSDB
Flash point 143.33 °C (290 °F) HSDB
135 °C (275 °F) CAMEO
Autoignition temperature 337.78 °C (640 °F) HSDB
335 °C (635 °F) ICSC
Lower explosive limit (LEL) Explosive limits , vol% in air: 1.1-? ICSC
Vapor density 5.04 (air = 1) HSDB

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

04 · Handling and storage

Storing and handling 3,6-diazaoctanethylenediamin

Storage conditions

IN GENERAL, MATERIALS...TOXIC AS STORED OR WHICH CAN DECOMP INTO TOXIC COMPONENTS...SHOULD BE STORED IN COOL...VENTILATED PLACE, OUT OF...SUN, AWAY FROM...FIRE HAZARD...BE PERIODICALLY INSPECTED & MONITORED. INCOMPATIBLE MATERIALS SHOULD BE ISOLATED...

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

TRIETHYLENETETRAMINE is a strong base; reacts violently with strong oxidants; attacks aluminum, zinc, copper and its alloys. Handling Chemicals Safely 198. p. 934).

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check 3,6-diazaoctanethylenedia… 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.