ACRYLIC ACID inhibited

UN Number: 2218 - CAS Number: 79-10-7

Also known as: ACIDE ACRYLIQUE, ACROLEIC ACID, Acrylic Acid, Inhibited, Ethylenecarboxylic Acid, Glacial Acrylic Acid, Propene Acid, 2-Propenoic Acid, Propenoic Acid, Vinylformic Acid, Acrylic Acid

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number	2218
CAS number	79-10-7
Formula	C₃H₄O₂

Physical chemical data

Physical State (20°C)

Liquid

Physical State (25°C)

Liquid

Density (kg/m3)

1049.7 [Kg/m³] at a temperature of 20°C

Kinematic viscosity (cSt)

1.24 [cSt] at a temperature of 20°C

Molar mass (g/mol)

72.06

Density of gas (kg/m3)

3.225

Solubility (g/L)

1060000 [g/L] at a temperature of 20°C and salinity of 0‰

1060000 [g/L] at a temperature of 25°C and salinity of 0‰

Boiling Point (°C)

141.5

Melting Point (°C)

Surface tension (mN/m)

28.1 [mN/m] at a temperature of 25°C

Vapour Pressure (Pa)

1399 [Pa] at a temperature of 20°C

530 [Pa] at a temperature of 25°C

Ignition Temperature (°C)

374

Flash Point (°C)

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

Flash Point (Cleveland open cup) (°C)

Lower explosivity limit (LEL) (volume %)

5.3

Upper explosivity limit (UEL) (volume %)

Combus enthalpy (J/Kg)

18400000

Specific heat capacity (J/(Kg·K))

2021.9

Combustion efficiency (%)

Mass flow rate of the combustion surface (Kg/(m²·s))

0.03

Rad fraction (%)

Henry's constant (mol/(m³·Pa))

0.04

Behaviour at sea

Log kow	0.39
Log koc	1.42
Biodegradation in estuary environment (Half-life) (days)	Not hydrolysable
Biodegradation in marine environment (Half-life) (days)	10
Bioconcentration factor (BCF)	1

Additional data

Colour

colourless

Odour

irritating 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

Transport mode	Bulk,Packaged
Package group	II
State	liquid
Temperature (°C)	16�- 24�
Family name	organic acid

Reactivity data

Water	No
Abilities	Miscible in water.
Acid(s)	Yes
Base(s)	Yes
Metal(s) and alloys	No
Oxidizing agents	No
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 in BCF (A1B)	0 - No measurable BCF
Bioaccumulation (A1)	0 - No potential to bioaccumulate
Biodegradation (A2)	R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l))	4 - Highly toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg))	2 - Moderate
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg))	2 - Moderate
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l))	2 - Moderate
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

Hazard statements

Physical

H226	Flammable liquid and vapour.

Health

H302	Harmful if swallowed.
H312	Harmful in contact with skin.
H332	Harmful if inhaled.
H335	May cause respiratory irritation.

Environmental

H400	Very toxic to aquatic life.

Precautionary statements

Prevention

P210	Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P273	Avoid release to the environment.

Response

P303 + P361 + P353	IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305 + P351 + P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

TLV-TWA

ERPG-2 (ppm)

ERPG-3 (ppm)

750

Ecotoxicity

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

0.13

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

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

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

0.03

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

Assessment factor (AF)

100 on the Short term

100 on the Long term

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

1.3 [µg/l] on the Short term

0.3 [µg/l] on the Long term

Incident reports

Year	Vessel	Location	Cargo type
2000	Heildelberg Express	Marsaxlokk Port, Malta	Package

Emergency Response Guidebook

Guide number: 132P

See the guide or download the emergency response guidebook

At sea emergency guide

Emergency schedule: 8-01

STRONG CORROSIVE SUBSTANCES, FLAMMABLE, FLASHPOINT 61°C Closed Cup OR BELOW; STOWAGE "ON DECK ONLY".

Emergency procedures

Action

Use of water on substance may cause violent reaction.
Avoid all sources of ignition (e.g. naked lights, unprotected light bulbs, electric handtools).
Turn ship off-wind.

Spillage on deck

Wash overboard with copious quantities of water from as far away as practicable.

Spillage under deck

Not applicable.

Fire on deck

Use water spray; wash deck in vicinity with copious quantities of water from as far away as practicable.

Fire under deck

Not applicable.

Special equipment to be carried

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

Decision trees

Corrosive Flammable Flammable liquid

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No decision trees available

No additional data