ICSC 0477 - 2-ETHYLHEXANOIC ACID

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2-ETHYLHEXANOIC ACID

ICSC: 0477
_{April 2005}

2-Ethylcaproic acid
3-Heptanecarboxylic acid

CAS No: 149-57-5
RTECS No: MO7700000
EC No: 607-230-00-6

C₈H₁₆O₂ / CH₃(CH₂)₃CH(C₂H₅)COOH
Molecular mass: 144.2

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible.	NO open flames.	Powder, water spray, foam, carbon dioxide.
EXPLOSION

EXPOSURE		AVOID ALL CONTACT!
Inhalation	Cough.	Local exhaust or breathing protection.	Fresh air, rest.
Skin	Redness.	Protective gloves.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes	Redness. Pain.	Safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Abdominal pain. Burning sensation. Diarrhoea.	Do not eat, drink, or smoke during work.	Rinse mouth. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Personal protection: filter respirator for organic gases and vapours. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT absorb in saw-dust or other combustible absorbents. Do NOT let this chemical enter the environment.	Xn Symbol R: 63 S: (2-)36/37

EMERGENCY RESPONSE	SAFE STORAGE
NFPA Code: H1; F1; R0	Separated from strong oxidants. Store in an area without drain or sewer access.

IMPORTANT DATA

Physical State; Appearance
COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR.

Chemical dangers
The substance is a strong reducing agent and reacts with oxidants. The substance decomposes on heating producing irritating fumes.

Occupational exposure limits
TLV: (Inhalable aerosol and vapor) 5 mg/m³ as TWA; (ACGIH 2005).
MAK: IIb (not established but data is available) (DFG 2004).

Routes of exposure
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

Inhalation risk
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C; on spraying or dispersing, however, much faster.

Effects of short-term exposure
The substance is irritating to the eyes, the skin and the respiratory tract.

Effects of long-term or repeated exposure
Animal tests show that this substance possibly causes toxicity to human reproduction or development.

PHYSICAL PROPERTIES

ENVIRONMENTAL DATA

Boiling point: 227°C
Melting point: -59°C
Relative density (water = 1): 0.90
Solubility in water, g/100 ml: 0.14 (very poor)
Vapour pressure, Pa at 20°C: 4
Relative vapour density (air = 1): 5
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 118°C o.c.
Auto-ignition temperature: 371°C
Explosive limits, vol% in air: 0.8-6
Octanol/water partition coefficient as log Pow: 2.64

The substance is harmful to aquatic organisms.

NOTES

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

LEGAL NOTICE

Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.

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