ICSC 1730 - TRIETHYLPHOSPHATE

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TRIETHYLPHOSPHATE	ICSC: 1730 (April 2009)
Ethyl phosphate Phosphoric acid, triethyl ester Triethoxyphosphine oxide TEP

CAS #: 78-40-0

UN #: 3278

EC Number: 201-114-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Use powder, alcohol-resistant foam, water spray, carbon dioxide.


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	See Ingestion.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Rinse skin with plenty of water or shower.
Eyes	Redness.	Wear safety goggles.	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion	Dizziness. Drowsiness. Weakness. Unconsciousness.	Do not eat, drink, or smoke during work.	Rinse mouth. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. Wash away remainder with plenty of water.	According to UN GHS Criteria WARNING Harmful if swallowed May cause drowsiness or dizziness Transportation UN Classification UN Hazard Class: 6.1; UN Pack Group: III
STORAGE
Separated from strong oxidants and strong bases. Well closed. Ventilation along the floor.
PACKAGING

TRIETHYLPHOSPHATE

ICSC: 1730

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. Physical dangers No data. Chemical dangers Decomposes on burning. This produces toxic fumes including phosphorus oxides. Reacts violently with strong bases and strong oxidants. This produces heat.	Formula: C₆H₁₅O₄P / (C₂H₅)₃PO₄ Molecular mass: 182.2 Boiling point: 215°C Melting point: -57°C Relative density (water = 1): 1.07 Solubility in water: miscible Vapour pressure, Pa at 20°C: 20 Relative vapour density (air = 1): 6.3 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00 Flash point: 116°C o.c. Auto-ignition temperature: 452°C Octanol/water partition coefficient as log Pow: 0.8

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

Physical dangers
No data.

Chemical dangers
Decomposes on burning. This produces toxic fumes including phosphorus oxides. Reacts violently with strong bases and strong oxidants. This produces heat.

Formula: C₆H₁₅O₄P / (C₂H₅)₃PO₄
Molecular mass: 182.2
Boiling point: 215°C
Melting point: -57°C
Relative density (water = 1): 1.07
Solubility in water: miscible
Vapour pressure, Pa at 20°C: 20
Relative vapour density (air = 1): 6.3
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 116°C o.c.
Auto-ignition temperature: 452°C
Octanol/water partition coefficient as log Pow: 0.8

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by ingestion. Effects of short-term exposure The substance is mildly irritating to the eyes. The substance may cause effects on the central nervous system.	Inhalation risk A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by ingestion.

Effects of short-term exposure
The substance is mildly irritating to the eyes. The substance may cause effects on the central nervous system.

Inhalation risk
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT

NOTES

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn; R: 22; S: (2)-25

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