Colorless viscous liquid diethanolamine DEA used as a gas purifier

Short Description:


Diethanolamine also known as 2,2′-dihydroxydiethylamine, it is an organic compound with the chemical formula C4H11NO2. 

Chemical formula: C4H11NO2

Appearance: Colorless viscous liquid or crystal

Particular weight: 105.136

CAS No.: 111-42-2

EINECS No.: 203-868-0

Melting point: 28 ℃

Boiling point: 268.8 ℃

Water soluble: soluble

Density: 1.097 g/cm³

Flash point: 137.8 ℃

Application: Used as a gas purifier, also used as a raw material for synthetic drugs and organic synthesis

Product Detail

Product Tags

Toxicological data

  1. Irritant: Rabbit percutaneous: 500mg/24H, slightly irritating. Rabbit eye: 750μg/24H, severe irritation.
  2. Acute toxicity: guinea pig oral LD50: 2000mg/kg; mouse oral LC50: 3300 mg/kg; rat oral LD50: 1820 mg/kg; rabbit oral LD50: 2200 mg/kg; rabbit percutaneous LD50: 1220 mg/kg; Mice were injected intraperitoneally with LC50: 2300 mg/kg.
  3. Irritant: Rabbit percutaneous: 500mg (24h), mild irritation. Rabbit via eye: 5500mg, severe stimulation.
  4. Subacute and chronic toxicity: 170mg/kg orally in rats for 90 days, some animals died and some organs were damaged.
  5. Ecotoxicity   

Ecological data

1. Ecotoxicity  

LC50800mg/L24h)(goldfish,pH 9.6);>5000mg/L24h)(goldfish,pH 7);1800mg/L24h)(bluegill);100mg/L96h)(blackhead fish

EC505000mg/L5min)(luminescent bacteria,Microtox test


Aerobic biodegradation: 14.4~168h

Anaerobic biodegradation: 57.6~672h

3. Non-biodegradable

Photooxidation half-life in air: 0.72~7.2h

diethanolamine(DEA)-3 diethanolamine(DEA)-4


Safety description: S26;S36/37/39;S46

Hazard symbols: Xn

Hazard description: R22;R38;R41;R48/22

UN No.: 3082

Physical and Chemical properties

Density: 1.097 g/cm³

Melting point: 28 ℃

Boiling point: 268.8 ℃

Flash point: 137.8 ℃

Refractive index: 1.466

Ignition temperature: 662.2℃

Upper explosion limit (V/V): 13.4%

Lower explosion limit (V/V): 1.8%

Saturated vapor pressure: 0.67kPa (138℃)

Solubility: easily soluble in water, ethanol, insoluble in ether, benzene

Molecular structure data

Molar Refractive Index: 27.24

Molar volume (cm3/mol): 98.3

Technical data



Diethanolamine  %


Moisture  %


2-Aminoethanol+Triethanolamine content  %


Chroma (Hazen platinum-cobalt color number)


Density, p20℃,g/cm3


diethanolamine(DEA)-5 diethanolamine(DEA)-3


Diethanolamine is hygroscopic and sensitive to light and oxygen. This product should be placed in an airtight container and placed in a dry, cool and dark condition.

Risk information

R22:Harmful if swallowed.

R38:Irritating to skin.

R41:Risk of serious damage to eyes.

R48/22:Harmful : danger of serious damage to health by prolonged exposure if swallowed.

Barreled composite drawing


Store in a cool, ventilated warehouse.Keep away from fire and heat sources. Package is sealed.It should be stored separately from oxidants, acids, etc., and should not be mixed.Equipped with the appropriate variety and quantity of fire equipment.

cifite collection2

Factory base show

factoye9 collection factory collection factory collection factoye8 collection


  • Previous:
  • Next:

  • Write your message here and send it to us