BENZYL ALCOHOL

UN Number: 1993 - CAS Number: 100-51-6

Also known as: ALCOOL BENZYLIQUE, Tert-Butyl Ethyl Ether, 1,1-Dimethylethyl Ethyl Ether, 2-Ethoxy-2-Methylpropane, Ethyl 1,1-Dimethylethyl Ether, Ethyl Tert-Butyl Oxide, Methyl-2-Ethoxypropane, 2-Methyl-2-Ethoxypropane, Ethyl T-Butyl Ether, Ethyl Tert-Butyl Ether

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number	1993
CAS number	100-51-6
Formula	C₆H₁₄O

Physical chemical data

Physical State (20°C)

Liquid

Physical State (25°C)

Liquid

Density (kg/m3)

1050 [Kg/m³] at a temperature of 20°C

Molar mass (g/mol)

108.13

Density of gas (kg/m3)

4.773

Solubility (g/L)

12400 [g/L] at a temperature of 20°C and salinity of 0‰

13000 [g/L] at a temperature of 25°C and salinity of 0‰

Boiling Point (°C)

205

Melting Point (°C)

-15

Critical molar volume (m³/mol)

0.000395

Critical temperature (°C)

509.4

Critical pressure (Pa)

2934000

Vapour Pressure (Pa)

13 [Pa] at a temperature of 20°C

20664.97 [Pa] at a temperature of 25°C

Ignition Temperature (°C)

435

Flash Point (°C)

101

Lower explosivity limit (LEL) (volume %)

1.3

Upper explosivity limit (UEL) (volume %)

1.3

Combus enthalpy (J/Kg)

36300000

Combustion efficiency (%)

Mass flow rate of the combustion surface (Kg/(m²·s))

0.08

Rad fraction (%)

Henry's constant (mol/(m³·Pa))

165.6

Behaviour at sea

Persistence (days)	1.6
Log kow	1.68
Log koc	2.29
Aqueous photolysis (Half-life)	Not photolysable
Biodegradation in estuary environment (Half-life) (days)	Not hydrolysable
Biodegradation in marine environment (Half-life) (days)	Not biodegradable
Bioconcentration factor (BCF)	11.1

Additional data

Colour

coulourless

Odour

mild 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.

Standard behavior classification

Transportation data

Transport mode	Bulk,Packaged
State	liquid
Temperature (°C)	ambient
Pressure (Pa)	ambient

Reactivity data

Water	No
Acid(s)	No
Base(s)	No
Metal(s) and alloys	No
Oxidizing agents	No
Reducing agents	No
Combustibles	No
Organic substance	No

GESAMP Hazard profile

Bioaccumulation in logPow (A1A)	1 - ≥1 and <2
Bioaccumulation (A1)	1 - Very low potential to bioaccumulate
Biodegradation (A2)	R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l))	2 - Slightly toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg))	1 - Slight
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg))	1 - Slight
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l))	2 - Moderate
Skin irritation/corrosivity (D1)	2 - Irritating
Eye irritation/corrosivity (D2)	2 - Irritating
Interference with coastal amenities (E2)	SD - Sinker/Dissolver
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

Hazard statements

Physical

H225	Highly flammable liquid and vapour.

Health

H336	May cause drowsiness or dizziness.

Precautionary statements

Prevention

P210	Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P243	Take precautionary measures against static discharge.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P271	Use only outdoors or in a well-ventilated area.

Storage

P403 + P233

Store in a well-ventilated place. Keep container tightly closed.

TEEL-1 (mg/m3)

TEEL-2 (mg/m3)

150

TEEL-3 (mg/m3)

150

Ecotoxicity

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

1100

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

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

41.5

Highest no observed effect concentration (NOEC) on algae (mg/l)

7.5

Highest no observed effect concentration (NOEC) on crustacean (mg/l)

Highest no observed effect concentration (NOEC) on fishes (mg/l)

63.9

Assessment factor (AF)

1000 on the Short term

10000 on the Long term

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

37 [µg/l] on the Short term

3.7 [µg/l] on the Long term

Incident reports

No incident reports available

Emergency Response Guidebook

Guide number: 128

See the guide or download the emergency response guidebook

At sea emergency guide

No guides available

Decision trees

Flammable

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No decision trees available

No additional data