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Diethanolamine (DEA or DEOA)

Hazardous Classification (according to GHS)

HAZARDOUS

CAS Number

111-42-2

Signal Word

DANGER

Hazard Pictograms

GHS05 - Corrosion - Corrosive chemicals, may cause severe skin and eye damage and may be corrosive to metals. — GHS05 – Corrosion – Corrosive chemicals, may cause severe skin and eye damage and may be corrosive to metals.

GHS07 - Exclamation mark - Low level toxicity. This includes respiratory, skin, and eye irritation, skin sensitisers and chemicals harmful if swallowed, inhaled or in contact with skin. — GHS07 – Exclamation mark – Low level toxicity. This includes respiratory, skin, and eye irritation, skin sensitisers and chemicals harmful if swallowed, inhaled or in contact with skin.

GHS08 - Health Hazard - Chronic health hazards; this includes aspiratory and respiratory hazards, carcinogenicity, mutagenicity and reproductive toxicity. — GHS08 – Health Hazard – Chronic health hazards; this includes aspiratory and respiratory hazards, carcinogenicity, mutagenicity and reproductive toxicity.

Hazard Statements & Categories

H302 Harmful if swallowed (Class: Acute Toxicity – Oral, Category 4)
H315 Causes skin irritation (Class: Corrosion/irritation – Skin, Category 2)
H318 Causes serious eye damage (Class: (Corrosion) Damage/irritation – Eye, Category 1)
H373 May cause damage to organs through prolonged or repeated exposure (Class: Specific Target Organ Toxicity – Repeated exposure, Category 2)
H401 Toxic to aquatic life (Class: Aquatic – Acute, Category 2)
H412 Harmful to aquatic life with long lasting effects (Class: Aquatic – Chronic, Category 3)

Poisons Schedule (Australia)

Schedule 6

Dangerous Goods for Transport (according to ADG)

Not classed as Dangerous Goods for Transport

Other names

Bis(hydroxyethyl)amine
N,N-Bis(2-hydroxyethyl)amine
2,2′-Dihydroxydiethylamine
β,β’-Dihydroxydiethylamine
Diolamine
2-[(2-Hydroxyethyl)amino]ethanol
2,2′-Iminobisethanol
Iminodiethanol
Di(2-hydroxyethyl)amine
bis(2-Hydroxyethyl)amine
2,2′-Iminodiethanol

What It Does

Not entered.

Notes

Not entered

Information Sources

https://redox.com/
https://en.wikipedia.org/wiki/Diethanolamine
https://chemicalsafety.com/

Last Updated

October 12, 2025

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