UN Number: 3082 - CAS Number: 25321-09-9

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


UN number 3082
CAS number 25321-09-9

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
856 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 162.3
Density of gas (kg/m3) 7.22
Boiling Point (°C) 203
Melting Point (°C) -63
Vapour Pressure (Pa)
133 (34�C) [Pa] at a temperature of 20°C
Ignition Temperature (°C) 449
Flash Point (°C) 76
Lower explosivity limit (LEL) (volume %) 0.9
Upper explosivity limit (UEL) (volume %) 6.5

Behaviour at sea

Additional data

Colour clear amber
Odour odourless
Standard behavior classification F/FD

Transportation data

Transport mode Bulk,Packaged
Package group III
Cargo group 32
State liquid
Temperature (°C) ambient
Family name aromatic hydrocarbons

Reactivity data

Water No
Acid(s) Yes
Oxidizing agents Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 5 - ≥5 and ≤ ca.7
Bioaccumulation in BCF (A1B) 4 - ≥500 and <4000
Bioaccumulation (A1) 4 - High potential to bioaccumulate
Biodegradation (A2) NR - Not readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 4 - Highly toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l)) 2 - Moderate
Skin irritation/corrosivity (D1) 2 - Irritating
Eye irritation/corrosivity (D2) 1 - Mildly irritating
Interference with coastal amenities (E2) F - Floating substance, not likely to evaporate or to dissolve quickly
Effects on wildlife and bottom habitats (E3) 2 - Is a persistent floater; and/or is moderately acutely toxic; and/or is irritating to skin and/or eyes; and/or has long-term health effects other than carcinogenicity, mutagenicity or reprotoxicity; and/or is highly flammable; and/or is flammable and is a floater with evaporative properties

Human toxicity threshold


Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 171

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

No guides available

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-23T15:54:25+00:00

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