UN Number: 3077 - CAS Number: 92-52-4

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


UN number 3077
CAS number 92-52-4

Physical chemical data

Physical State (20°C) Solid
Density (kg/m3)
992 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 154.21
Density of gas (kg/m3) 6.85
Boiling Point (°C) 255
Melting Point (°C) 69/72
Ignition Temperature (°C) 540
Flash Point (°C) 113
Lower explosivity limit (LEL) (volume %) 0.6
Upper explosivity limit (UEL) (volume %) 5.8

Behaviour at sea

Additional data

Colour colourless to pale yellow
Odour characteristic, aromatic

Transportation data

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

Reactivity data

Water No
Acid(s) Yes
Base(s) No
Metal(s) and alloys No
Oxidizing agents Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 3 - ≥3 and <4
Bioaccumulation in BCF (A1B) 4 - ≥500 and <4000
Bioaccumulation (A1) 4 - High potential to bioaccumulate
Biodegradation (A2) R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 4 - Highly toxic
Chronic aquatic toxicity (B2) (NOEC (mg/l)) 1 - Low
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)) 1 - Slight
Skin irritation/corrosivity (D1) 0 - Not irritating
Eye irritation/corrosivity (D2) 1 - Mildly irritating
Interference with coastal amenities (E2) S - Sinking substance that would deposit on the seabed, not likely to dissolve quickly
Effects on wildlife and bottom habitats (E3) 1 - Is a floater; and/or is slightly acutely toxic; and/or is mildly irritant to skin and/or eyes

Human toxicity threshold

IDHL 15.6


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 2023-01-23T10:03:33+00:00

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