DECALDEHYDE

UN Number: 3082 - CAS Number: 143-08-8

Also known as: CAPRALDEHYDE, CAPRIC ALDEHYDE, 1-DECANAL, n-DECANAL, 1-DECYL ALDEHYDE, 1, Nonanol, N-Nonyl Alcohol, Nonanol

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number	3082
CAS number	143-08-8
Formula	C₉H₂₀O

Physical chemical data

Physical State (20°C)

Liquid

Physical State (25°C)

Liquid

Density (kg/m3)

830 [Kg/m³] at a temperature of 20°C

                                                                
                                                                    838.3 [Kg/m³]
                                                                    at a temperature of
                                                                    5°C

                                                                
                                                                    834.8 [Kg/m³]
                                                                    at a temperature of
                                                                    10°C

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

Kinematic viscosity (cSt)

14.142 [cSt] at a temperature of 20°C

11.014 [cSt] at a temperature of 25°C

                                                                
                                                                    18.192 [cSt]
                                                                    at a temperature of
                                                                    5°C

                                                                
                                                                    22.484 [cSt]
                                                                    at a temperature of
                                                                    10°C

                                                                
                                                                    14.944 [cSt]
                                                                    at a temperature of
                                                                    20°C

Molar mass (g/mol)

145.3

Density of gas (kg/m3)

6.94

Solubility (g/L)

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

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

                                                                
                                                                    120 [g/L]
                                                                    at a temperature of
                                                                    20°C
                                                                    and salinity of
                                                                    5‰
                                                                
                                                            

                                                                
                                                                    94 [g/L]
                                                                    at a temperature of
                                                                    20°C
                                                                    and salinity of
                                                                    30‰
                                                                
                                                            

Boiling Point (°C)

209

Melting Point (°C)

-5

Critical molar volume (m³/mol)

0.000572

Critical temperature (°C)

670.7

Critical pressure (Pa)

2528000

Surface tension (mN/m)

27.89 [mN/m] at a temperature of 25°C

                                                                
                                                                    28.91 [mN/m]
                                                                    at a temperature of
                                                                    5.7°C

                                                                
                                                                    28.02 [mN/m]
                                                                    at a temperature of
                                                                    11.2°C

                                                                
                                                                    27.8 [mN/m]
                                                                    at a temperature of
                                                                    18.8°C

Vapour Pressure (Pa)

29 [Pa] at a temperature of 20°C

Vapor enthalpy (J/Kg)

532810 [J/Kg] at a temperature of 25°C

Combus enthalpy (J/Kg)

41198164

Specific heat capacity (J/(Kg·K))

2470

Henry's constant (mol/(m³·Pa))

3.14

Behaviour at sea

Log kow	4.26
Log koc	2.46
Biodegradation in estuary environment (Half-life) (days)	Not hydrolysable
Bioconcentration factor (BCF)	160

Additional data

Colour

colourless to light yellow

Odour

pleasant 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

Cargo group	19
State	liquid
Temperature (°C)	ambient
Pressure (Pa)	ambient
Family name	aldehydes

Reactivity data

Acid(s)	Yes
Base(s)	Yes
Oxidizing agents	Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A)	3 - ≥3 and <4
Bioaccumulation (A1)	3 - Moderate potential to bioaccumulate
Biodegradation (A2)	NR - Not readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l))	3 - Moderately toxic
Chronic aquatic toxicity (B2) (NOEC (mg/l))	0 - Negligible
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)	2 - Irritating
Interference with coastal amenities (E2)	FE - Floater/Evaporator
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

TEEL-1 (mg/m3)	7.5 ppm
TEEL-2 (mg/m3)	50 ppm
TEEL-3 (mg/m3)	250 ppm

Ecotoxicity

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

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

5.7

Assessment factor (AF)

50 on the Short term

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

8 [µg/l] on the Short term

Incident reports

No incident reports available

Emergency Response Guidebook

Guide number: 171

See the guide or download the emergency response guidebook

At sea emergency guide

No guides available

Decision trees

No decision trees available

No additional data