CREOSOTE (wood tar)

UN Number: 3082 - CAS Number: 8021-39-4

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


UN number 3082
CAS number 8021-39-4

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
1050 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) > 80
Density of gas (kg/m3) 3.57
Boiling Point (°C) 195/400
Melting Point (°C) < 15
Vapour Pressure (Pa)
100 [Pa] at a temperature of 20°C
Ignition Temperature (°C) 335
Flash Point (°C) 68

Behaviour at sea

Additional data

Colour yellow to black
Odour tarry odour

Transportation data

Transport mode Bulk,Packaged
Package group III
Cargo group 21
State liquid
Temperature (°C) ambient
Family name phenols, cresols

Reactivity data

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

GESAMP Hazard profile

Biodegradation (A2) NR - Not readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 5 - Very highly toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 1 - Slight
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) SD - Sinker/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


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 2023-01-16T12:08:03+00:00

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