|
|
Date of Issue : Mar 2002 1. IDENTIFICATION
General Product Name : 2-ETHYL-1-HEXANOIC ACID Other Names : BUTYL ETHYL ACETIC ACID ; E-ETHYL CAPROIC ACID E-ETHYLHEXANOIC ACID ; alpha-ETHYLHEXANOIC ACID UN No. : N/A Dangerous Goods Class : C.1 Subsidiary Risk : None Allocated Hazchem Code : N/A Pack Group : 0 EPG : N/A Poisons Schedule : N/A Uses : Intermediate for the chemical industry, eg. for producing driers for surface coatings, catalysis for oxidising hydrocarbons, thickeners for mineral oils and mineral spirit, wetting agents, emulsifiers and plasticisers. Vinyl ester in polymer dispersions.
1.1 Physical Description / Properties
Appearance : Colourless to yellow liquid with faint specific odour. Formula : C8H16O2 Boiling Point : 226 deg C Melting Point : -59 deg C Vapour Pressure : 0.004 mm Hg (1 atmosphere) Specific Gravity : 0.91 (water = 1) Flash Point : Test Unknown 114 pH : 3 (1.4 g/L @ 20 deg C) Solubility in water : 1.4 g/l (25 deg C) Flammability Limits (as percentage volume in air) Lower Explosion Limit : 0.9 Upper Explosion Limit : 6.7 1.2 Other Properties
Autoignition temperature = 310 deg C Molecular weight = 144.2 Vapour density = 5.0 Partition = 2.7 (log POW) 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Moderate to low order of toxicity. Small amounts of liquid aspirated into the respiratory system during ingestion or vomiting may cause bronchopneumonia or pulmonary oedema. Ingestion may produce burns to the mouth and oral cavity. Eye
Contact with eyes may result in severe irritation. Reddening and possible swelling of the conjunctiva may occur. Skin
Skin contact may result in slight irritation. Inhaled
Negligible hazard at ambient temperature (-18 to 38 deg C) Irritating to eyes and respiratory tract in high concentrations. 2.2 Health Effects - Chronic
Mutagenic effects are not expected. There are indications of developmental toxic effects from animal reproduction studies. Possible risk of harm to the unborn child. Rats andmice given 2-ethylhexanoic acid in the diet at 0.1, 0.5 or 1.5% for 90 days, did not exhibit any adverse effects. No increase in fetal malformations was noted among pregnant femal F344 rats or rabbits administered 0, 100, 250 and 500 mg/kg/day and 0, 25, 125 and 250 mg/kg/day, respectively during gestation. However, evidence of maternal toxicity was observed only in rats at exposure levels of 250 and 500 mg/kg/day. No feto- toxicity was observed in rabbits. In another developmental/reproductive toxicity study, the sodium salt of 2-ethylhexanoic acid was administered to Wistar rats at doses of 100, 300 or 600 mg/kg/day in the drinking water. In the developmental toxicity study slightly impaired fertility in the parents and delayed postnatal development in the pups were observed.
2.3 First Aid
Swallowed
Immediately rinse mouth and then drink plenty of water. Seek medical attention.
Eye
If eye contact occurs, immediately rinse under running water for 15 minutes with eyelids held open. Consult eye specialist.
Skin
If skin contact occurs, immediately wash under running water. Immediately remove contaminated clothing and wash thoroughly before reuse.
Inhaled
If difficulties occur after inhalation of vapour or aerosol, remove affected person to fresh air and seek medical attention.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Treat symptomatically based on judgement of doctor and individual reactions of the patient.
2.6 Toxicity Data
Oral LD50 = 3640 mg/kg (rat) Dermal LD50 = > 2000 mg/kg (rabbit) Primary skin irritation/rabbit/OECD test = irritant, Primary eye irritation/rabbit/OECD test = non-irrtant. Acute inhalation hazard = no mortalities after 8 hours exposure in a highly enriched and/or saturated atmopshere @ 20 deg C (rat, test results depending on toxicity and volatility. Ames test : no mutagenic effect
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
No exposure standard has been allocated for this product.
3.2 Engineering Controls
Ensure adequate ventilation to maintain exposure to a minimum.
3.3 Personal Protection
Respiratory protection - if vapours or mists are generated or if ventilation is inadequate, wear an approved organic vapour/mist respirator or an air supplied respirator as appropriate. Eye protection - wear chemical goggles or safety glasses with side shields. Skin protection - wear PVC, rubber, neoprene or similar gloves. Wear overalls, apron, boots as necessary to prevent contact. Other information - The usual precautios for handling of chemicals must be observed. Avoid breathing vapour/aerosol.
3.4 Flammability
Combustible. Keep away from all sources of ignition and heat. Earth all containers to reduce the possibility of sparks from static electricity. Combustible when exposed to heat or flame; may react with oxidising agents. Vapours may form flammable mixtures with air. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Keep containers tightly closed in a dry, cool, well ventilated place. Protect against alkalies and alkaline substances. Store as C1 combustible liquid in accordance with all regulations. Ensure thorough ventilation of stores and work areas. Prevent electrostatic charge. Sources of ignition should be kept well clear. Do not handle, store or open near an open flame, sources of heat or sources of ignition. Protect material from direct sunlight. DO NOT pressurise, cut, heat or weld containers. Empty product containers may contain product residue. DO NOT reuse empty containers with commercial cleaning or reconditioning.
4.2 Packaging / Labelling UN No. N/A Class C.1 Sub Risk None Allocated Hazchem Code N/A Pack Group 0 EPG No. N/A Shipping Name 2-ETHYL-1-HEXANOIC ACID Hazard HARMFUL
Risk Phrases R63 Possible risk of harm to the unborn child.
Safety Phrases S2 Keep out of the reach of children. S36/37 Wear suitable protective clothing and gloves.
4.3 Spills and Disposal
Spills
Clean up personnel should wear full protective clothing including breathing apparatus. A vapour respirator may be necessary for spills in confined areas or for large spills. Sources of ignition should be kept clear. NO SMOKING. DO NOT let product enter drains.
LAND SPILL - contain spilled liquid with sand or earth. Recover by pumping (use an explosive-proof or hand pump) or with a suitable absorbent. If liquid is too viscous for pumping, scrape up woth shovels or pails and place in suitable containers for recycle or disposal. WATER SPILL - warn other shipping. Notify port or relevant authority and keep public away. Remove from surface by skimming or with suitable absorbents. If allowed by local authorities and environmental agencies sinking and/or suitable dispersants may be used in non-confined waters.
Disposal
Dispose of in accordance with all Local, State and Federal regulations by incineration at an approved waste disposal facility. Small amounts may also be treated in an effluent treatment plant. Flush away spill area residues with copious amounts of water. Empty drums and containers should be thoroughly rinsed with water and then passed on for recycling or reprocessing.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Combustible liquid. Incompatible with alkaline substances or strong oxidising agents. Exothermic reaction with strong alkalis. When heated to decomposition it emits acrid smoke and irritating fumes.
Extinguishing Media
Fire fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use water, foam, carbon dioxide or dry chemical type extinguishers. Contain and dispose of fire debris and contaminated extinguishants in accordance with State and Local regulations. Do not allow to reach sewerage of effluent systems. 5 OTHER INFORMATION
Other Information
The product is an acid. Before discharging into effluent treatment plants, neutralisation is generally required. The degredation activity of the activated sludge in effluent treatment plants should not be affected if this product is discharged correctly in low concentrations. The product does not contain organically bound halogens. Degradability : > 70% COD reduction [OECD 302B] Toxicity to fish : LC50 = > 250 mg/l/96h (Leuciscus idus) Toxicity to algae EC/LC50 = 61 mg/l (72 hr) Toxicity to bacteria EC/LC50 = 112.5 mg/l (17 hr) BOD5-Value = 1200 mg/kg COD-Value = 2240 mg/kg Elimination information : Test method: OECD 302B/ISO 9888/EEC 88/302, C Method of analysis : DOC reduction Degree of elimination = > 70% Evaluation = easy to eliminate
5.1 Contact Points
|
||||||||||||||||||||
|
|
||||||||||||||||||||
The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
|
||||||||||||||||||||
|
|
 |