DI-(2-ETHYLHEXYL)PHOSPHORIC ACID

UN Number: 1902 - CAS Number: 298-07-7

Also known as: ACIDE DI-(2-ETHYLHEXYL)PHOSPHORIQUE, BIS(2-ETHYLHEXYL)HYDROGEN PHOSPHATE, BIS(2-ETHYLHEXYL)ORTHOPHOSPHATE, DEHPA, DI-(2-ETHYLHEXYL)PHOSPHATE
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1902
CAS number 298-07-7

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
977 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 322.4
Boiling Point (°C) decomp.
Melting Point (°C) < -60
Vapour Pressure (Pa)
< 100 [Pa] at a temperature of 20°C
Flash Point (°C) 196

Behaviour at sea

Additional data

Colour light yellow
Odour odourless

Transportation data

Transport mode Bulk,Packaged
Package group III
State liquid
Temperature (°C) ambient

Reactivity data

Water No
Metal(s) and alloys Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 2 - ≥2 and <3
Bioaccumulation in BCF (A1B) 1 - ≥1 and <10
Bioaccumulation (A1) 1 - Very low potential to bioaccumulate
Biodegradation (A2) NR - Not readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 2 - Slightly toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg)) 1 - Slight
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l)) 2 - Moderate
Eye irritation/corrosivity (D2) 2 - Irritating
Interference with coastal amenities (E2) Fp - Persistent slick forming substance
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) 0.06
TEEL-2 (mg/m3) 0.4

Ecotoxicity

Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 153

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 8-05

CORROSIVE SUBSTANCES, COMBUSTIBLE.

Emergency procedures

Spillage on deck

Wash overboard with copious quantities of water.

Spillage under deck

Collect spillage, where practicable, using absorbent material for liquids, for safe disposal.

Fire on deck

Use water spray.

Fire under deck

Batten down; use ship's fixed fire-fighting installation. Otherwise adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
Spray nozzles.

Remarks by UN no.

• FORMIC ACID (UN No. 1779)
• THIOGLYCOLIC ACID (UN No. 1940)
• BOMBS, SMOKE, NON-EXPLOSIVE (UN No. 2028)
• N,N-DIMETHYLCARBAMOYL CHLORIDE (UN No. 2262)
• DICYCLOHEXYLAMINE (UN No. 2565)
Turn ship off-wind.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2020-12-14T09:02:20+00:00