UN Number: 3295 - CAS Number: 872-05-9

Also known as: DECENE-1, N-DECYLENE, Decene, Decylene, 1-Decene, Dec-1-Ene
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


UN number 3295
CAS number 872-05-9
Formula C10H20

Physical chemical data

Physical State (20°C) Liquid
Physical State (25°C) Liquid
Density (kg/m3)
741 [Kg/m³] at a temperature of 20°C
Kinematic viscosity (cSt)
0.75 [cSt] at a temperature of 20°C
1.0205 [cSt] at a temperature of 25°C
Molar mass (g/mol) 140.2
Solubility (g/L)
0.115 [g/L] at a temperature of 25°C and salinity of 0‰
Boiling Point (°C) 170
Melting Point (°C) -66
Critical molar volume (m³/mol) 0.000584
Critical temperature (°C) 617
Critical pressure (Pa) 2220000
Surface tension (mN/m)
24 [mN/m] at a temperature of 20°C
Vapour Pressure (Pa)
150 [Pa] at a temperature of 20°C
Ignition Temperature (°C) 210
Flash Point (°C) 46
Flash Point (Pensky-Martens closed cup) (°C) 45
Lower explosivity limit (LEL) (volume %) 0.5
Upper explosivity limit (UEL) (volume %) 5.4
Vapor enthalpy (J/Kg)
359530 [J/Kg] at a temperature of 25°C
Specific heat capacity (J/(Kg·K)) 2144
Henry's constant (mol/(m³·Pa)) 54715

Behaviour at sea

Log kow 4.7
Log koc 1.724
Biodegradation in estuary environment (Half-life) (days) Not hydrolysable
Bioconcentration factor (BCF) 488

Additional data

Colour colourless
Odour pleasant odour
MARPOL pollution category
Category Description
X Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a major hazard to either marine resources or human health and, therefore, justify the prohibition of the discharge into the marine environment.
Standard behavior classification D, FD, F

Transportation data

Cargo group 30
State liquid
Temperature (°C) ambient
Pressure (Pa) ambient
Family name olefins

Reactivity data

Water No
Acid(s) Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 5 - ≥5 and ≤ ca.7
Bioaccumulation (A1) 5 - Very 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)) 2 - Moderate
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)) 0 - Negligible
Skin irritation/corrosivity (D1) 2 - Irritating
Eye irritation/corrosivity (D2) 0 - Not irritating
Specific Health Concern (D3) A - Aspiration
Interference with coastal amenities (E2) F - Floating substance, not likely to evaporate or to dissolve quickly
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

Environmental Hazard Flammable Health Hazard
Hazard statements
H226 Flammable liquid and vapour.
H304 May be fatal if swallowed and enters airways.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.
Precautionary statements
P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P243 Take precautionary measures against static discharge.
P273 Avoid release to the environment.
P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303 + P361 + P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P331 Do NOT induce vomiting.
P391 Collect spillage.


Lowest median lethal concentration (LC50) on algae (mg/l) 22
Lowest median lethal concentration (LC50) on crustacean (mg/l) 480
Lowest median lethal concentration (LC50) on fishes (mg/l) > 1000
Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 128

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 2020-12-14T09:02:35+00:00