Colorless viscous liquid diethanolamine DEA used as a gas purifier
Toxicological data
- Irritant: Rabbit percutaneous: 500mg/24H, slightly irritating. Rabbit eye: 750μg/24H, severe irritation.
- 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.
- Irritant: Rabbit percutaneous: 500mg (24h), mild irritation. Rabbit via eye: 5500mg, severe stimulation.
- Subacute and chronic toxicity: 170mg/kg orally in rats for 90 days, some animals died and some organs were damaged.
- Ecotoxicity
Ecological data
1. Ecotoxicity
LC50：800mg/L（24h）（goldfish,pH 9.6）；＞5000mg/L（24h）（goldfish,pH 7）；1800mg/L（24h）（bluegill）；100mg/L（96h）（blackhead fish）
EC50：5000mg/L（5min）（luminescent bacteria,Microtox test）
2.Biodegradability
Aerobic biodegradation: 14.4~168h
Anaerobic biodegradation: 57.6~672h
3. Non-biodegradable
Photooxidation half-life in air: 0.72~7.2h
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
|
Item |
Standard |
|
≥99.0 |
|
|
Moisture % |
≤0.5 |
|
2-Aminoethanol+Triethanolamine content % |
≤0.5 |
|
Chroma (Hazen platinum-cobalt color number) |
≤25 |
|
Density, p20℃,g/cm3 |
1.090–1.095 |
Stability
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.
Storage
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.
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