ETHANOLAMINE pure or solutions

UN Number: 2491 - CAS Number: 141-43-5

Also known as: 2-AMINOETHANOL, beta-AMINO ETHYL ALCOHOL, COLAMINE, 2-Aminoethol, β-Aminoethyl Alcohol, Ethyloamine, β-Hydroxyethylamine, Monoethanolamine, Mea, Ethanolamine, Beta-Aminoethyl Alcohol, Beta-Hydroxyethylamine

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number	2491
CAS number	141-43-5
Formula	C₂H₇NO

Physical chemical data

Physical State (20°C)

Liquid

Physical State (25°C)

Liquid

Density (kg/m3)

1016 [Kg/m³] at a temperature of 20°C

Kinematic viscosity (cSt)

18.61 [cSt] at a temperature of 25°C

Molar mass (g/mol)

61.08

Density of gas (kg/m3)

2.709

Solubility (g/L)

100000 [g/L] at a temperature of 20°C and salinity of 0‰

100000 [g/L] at a temperature of 25°C and salinity of 0‰

Boiling Point (°C)

170

Melting Point (°C)

Critical temperature (°C)

671

Critical pressure (Pa)

8000000

Surface tension (mN/m)

48.32 [mN/m] at a temperature of 25°C

Vapour Pressure (Pa)

64 [Pa] at a temperature of 20°C

Ignition Temperature (°C)

410

Flash Point (°C)

Flash Point (Pensky-Martens closed cup) (°C)

Lower explosivity limit (LEL) (volume %)

5.5

Upper explosivity limit (UEL) (volume %)

Vapor enthalpy (J/Kg)

815775 [J/Kg] at a temperature of 171°C

Combus enthalpy (J/Kg)

24900000

Specific heat capacity (J/(Kg·K))

3201

Henry's constant (mol/(m³·Pa))

0.003

Behaviour at sea

Log kow	-1.31
Log koc	0.07
Aqueous photolysis (Half-life)	Not photolysable
Biodegradation in estuary environment (Half-life) (days)	Not hydrolysable
Bioconcentration factor (BCF)	3.2

Additional data

Colour

colourless

Odour

weak ammonia odour

MARPOL pollution category

Category	Description
Y	Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a hazard to either marine resources or human health or cause harm to amenities or other legitimate uses of the sea and therefore justify a limitation on the quality and quantity of the discharge into the marine environment.

Transportation data

Package group	III
State	liquid
Temperature (°C)	ambient
Pressure (Pa)	ambient
Family name	alkanolamines

Reactivity data

Water	No
Abilities	Miscible in water.
Acid(s)	Yes
Base(s)	No
Metal(s) and alloys	No
Oxidizing agents	Yes
Reducing agents	No
Combustibles	No
Organic substance	Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A)	0 - e <1, or > ca.7, or Mol. Wt. > 1000
Bioaccumulation (A1)	0 - No potential to bioaccumulate
Biodegradation (A2)	R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l))	2 - Slightly toxic
Chronic aquatic toxicity (B2) (NOEC (mg/l))	0 - Negligible
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg))	1 - Slight
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg))	1 - Slight
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l))	3 - Moderately high
Skin irritation/corrosivity (D1)	1 - Mildly irritating
Eye irritation/corrosivity (D2)	3 - Severely irritating, with irreversible corneal injury
Interference with coastal amenities (E2)	D - Dissolver
Effects on wildlife and bottom habitats (E3)	3 - Is highly acutely toxic; and/or is severely irritant or corrosive to skin or eyes; and/or is carcinogenic, mutagenic or reprotoxic; and/or is a floater or persistent floater with associated health effects

Human toxicity threshold

IDHL

1000

Hazard statements

Health

H302	Harmful if swallowed.
H312	Harmful in contact with skin.
H314	Causes severe skin burns and eye damage.
H332	Harmful if inhaled.
H335	May cause respiratory irritation.

Environmental

H412	Harmful to aquatic life with long lasting effects.

Precautionary statements

Prevention

P273	Avoid release to the environment.

Disposal

P501	Dispose of contents/container to ...

TEEL-1 (mg/m3)

6 ppm

TEEL-2 (mg/m3)

30 ppm

TEEL-3 (mg/m3)

30 ppm

Ecotoxicity

Lowest median lethal concentration (LC50) on crustacean (mg/l)

140

Lowest median lethal concentration (LC50) on fishes (mg/l)

150

Highest no observed effect concentration (NOEC) on algae (mg/l)

Highest no observed effect concentration (NOEC) on crustacean (mg/l)

0.85

Highest no observed effect concentration (NOEC) on fishes (mg/l)

1.24

Assessment factor (AF)

100 on the Short term

Predicted No Effect Concentration (PNEC) (µg/l)

9 [µg/l] on the Short term

Incident reports

No incident reports available

Emergency Response Guidebook

Guide number: 153

See the guide or download the emergency response guidebook

At sea emergency guide

Emergency schedule: 8-05

CORROSIVE SUBSTANCES, COMBUSTIBLE.

Emergency procedures

Spillage on deck

Wash overboard with copious quantities of water.

Spillage under deck

Collect spillage, where practicable, using absorbent material for liquids, for safe disposal.

Fire on deck

Use water spray.

Fire under deck

Batten down; use ship's fixed fire-fighting installation. Otherwise adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
Spray nozzles.

Remarks by UN no.

FORMIC ACID (UN No. 1779)
THIOGLYCOLIC ACID (UN No. 1940)
BOMBS, SMOKE, NON-EXPLOSIVE (UN No. 2028)
N,N-DIMETHYLCARBAMOYL CHLORIDE (UN No. 2262)
DICYCLOHEXYLAMINE (UN No. 2565)
Turn ship off-wind.

Decision trees

Corrosive

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No decision trees available

No additional data