Linoleic acid
Product identifier
- Product name: Linoleic acid
- CBnumber: CB5764024
- CAS: 60-33-3
- EINECS Number: 200-470-9
- Synonyms: linoleic acid,9,12-octadecadienoic acid
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 400-158-6606
Classification of the substance or mixture
Not classified.
Label elements
Pictogram(s)
- Signal wordDanger
H225 Highly Flammable liquid and vapour
H319 Causes serious eye irritation
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.
none
none
none
none
Other hazards
no data available
Substance
- Product name: Linoleic acid
- Synonyms: linoleic acid,9,12-octadecadienoic acid
- CAS: 60-33-3
- EC number: 200-470-9
- MF: C18H32O2
- MW: 280.45
Description of first aid measures
If inhaledMove the victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a doctor immediately. Do not use mouth to mouth resuscitation if the victim ingested or inhaled the chemical.
Take off contaminated clothing immediately. Wash off with soap and plenty of water. Consult a doctor.
Rinse with pure water for at least 15 minutes. Consult a doctor.
Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.
Most important symptoms and effects, both acute and delayed
SYMPTOMS: Symptoms of exposure to this compound may include mild irritation of the eyes, skin and mucous membranes, nausea and vomiting. ACUTE/CHRONIC HAZARDS: This compound is a mild irritant. (NTP, 1992)
Indication of any immediate medical attention and special treatment needed
Basic treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airway, if needed). Suction if necessary. Watch for signs of respiratory insufficiency and assist respirations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary . Monitor for shock and treat if necessary . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with 0.9% saline (NS) during transport . Do not use emetics. For ingestion, rinse mouth and administer 5 mL/kg up to 200 mL of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool. Activated charcoal is not effective . Do not attempt to neutralize because of exothermic reaction. Cover skin burns with dry, sterile dressings after decontamination . Organic acids and related compounds
Extinguishing media
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
Specific Hazards Arising from the Chemical
Flash point data for this chemical are not available. It is probably combustible. (NTP, 1992)
Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
NFPA 704
| HEALTH | 0 | Poses no health hazard, no precautions necessary and would offer no hazard beyond that of ordinary combustible materials | |
| FIRE | 1 | Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia) | |
| REACT | 1 | Normally stable, but can become unstable at elevated temperatures and pressures (e.g. propene) | |
| SPEC. HAZ. |
Personal precautions, protective equipment and emergency procedures
Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable gloves. Ensure adequate ventilation.Remove all sources of ignition. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak.
Environmental precautions
Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided.
Methods and materials for containment and cleaning up
Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Storage in ester form is recommended.
Control parameters
Occupational Exposure limit valuesno data available
no data available
Exposure controls
Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.
Individual protection measures
Eye/face protectionWear tightly fitting safety goggles with side-shields conforming to EN 166(EU) or NIOSH (US).
Wear fire/flame resistant and impervious clothing. Handle with gloves. Gloves must be inspected prior to use. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.
If the exposure limits are exceeded, irritation or other symptoms are experienced, use a full-face respirator.
no data available
Information on basic physicochemical properties
- Physical stateliquid
- ColourClear yellow
- Odour
no data available
- Melting point/freezing point
-5°C(lit.)
- Boiling point or initial boiling point and boiling range
229-230°C/16mmHg(lit.)
- Flammability
no data available
- Lower and upper explosion limit/flammability limit
no data available
- Flash point
>113°C
- Auto-ignition temperature
no data available
- Decomposition temperature
no data available
- pH
no data available
- Kinematic viscosity
no data available
- SolubilityNaOH: soluble1M
- Partition coefficient n-octanol/water
log Kow = 7.05
- Vapour pressure
8.68X10-7 mm Hg at 25 deg C
- Density and/or relative density
0.902g/mLat 25°C(lit.)
- Relative vapour density
no data available
- Particle characteristics
no data available
Reactivity
Sensitive to air and light. (NTP, 1992). Oxidizes across carbon double bonds
Chemical stability
Easily oxidized by air.
Possibility of hazardous reactions
CombustibleLINOLEIC ACID reacts to neutralize bases. May react vigorously with oxidizing agents. May react exothermically with reducing agents to release hydrogen gas.
Conditions to avoid
no data available
Incompatible materials
no data available
Hazardous decomposition products
When heated to decomposition it emits acrid smoke and irritating fumes.
Acute toxicity
- Oral: no data available
- Inhalation: no data available
- Dermal: no data available
Skin corrosion/irritation
no data available
Serious eye damage/irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
no data available
Reproductive toxicity
no data available
STOT-single exposure
no data available
STOT-repeated exposure
no data available
Aspiration hazard
no data available
Toxicity
- Toxicity to fish: no data available
- Toxicity to daphnia and other aquatic invertebrates: no data available
- Toxicity to algae: no data available
- Toxicity to microorganisms: no data available
Persistence and degradability
AEROBIC: In Warburg tests using an unacclimated activated sludge inoculum, linoleic acid, present as the sodium salt, was observed to biodegrade with half-lives of 30, 20, and 13 hours at 20, 25, and 30 deg C, respectively(1). Linoleic acid, present at a concentration of 500 mg/L, reached 9.3, 14.6, and 24.2% of its theoretical BOD after 6, 12, and 24 hours, respectively(2). Linoleic acid was readily oxidized by three sludges obtained from treatment plants located near Columbus, OH(3). The average concentration of linoleic acid in the primary influent, 4.3 ppm, was reduced to an average of 0.44 ppm in the final effluent of an oxygen activated sludge treatment system(4). Linoleic acid, present at an average concentration of 0.75 ppm in the primary influent of an oxygen activated sludge treatment system was reduced to an average concentration of 0.08 ppm in the effluent(4). An activated sludge treatment system reduced the average linoleic acid influent concentration of 0.84 ppm to <0.02 ppm in the effluent(4). Linoleic acid, present at 100 mg/L, reached 80-100% of its theoretical BOD in 4 weeks using an activated sludge inoculum at 30 mg/L in the Japanese MITI test which classified the compound as readily biodegradable(5).
Bioaccumulative potential
An estimated BCF of 56 was calculated in fish for linoleic acid(SRC), using a log Kow of 7.05(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is moderate(SRC), although it occurs in bile samples of fish at concentrations ranging from <1 to 520 ug/g(4).
Mobility in soil
Using a structure estimation method based on molecular connectivity indices(1), the Koc of linoleic acid can be estimated to be 1.2X10+4(SRC). According to a classification scheme(2), this estimated Koc value suggests that undissociated linoleic acid is expected to be immobile mobility in soil. The pKa of linoleic acid is 4.77(3), indicating that this compound will exist primarily in anion form in the environment and anions generally do not adsorb more strongly to soils containing organic carbon and clay than their neutral counterparts(4).
Other adverse effects
no data available
Disposal methods
ProductThe material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
UN Number
ADR/RID: Not dangerous goods. (For reference only, please check.)
IMDG: Not dangerous goods. (For reference only, please check.)
IATA: Not dangerous goods. (For reference only, please check.)
UN Proper Shipping Name
ADR/RID: Not dangerous goods. (For reference only, please check.)
IMDG: Not dangerous goods. (For reference only, please check.)
IATA: Not dangerous goods. (For reference only, please check.)
Transport hazard class(es)
ADR/RID: Not dangerous goods. (For reference only, please check.)
IMDG: Not dangerous goods. (For reference only, please check.)
IATA: Not dangerous goods. (For reference only, please check.)
Packing group, if applicable
ADR/RID: Not dangerous goods. (For reference only, please check.)
IMDG: Not dangerous goods. (For reference only, please check.)
IATA: Not dangerous goods. (For reference only, please check.)
Environmental hazards
ADR/RID: No
IMDG: No
IATA: No
Special precautions for user
no data available
Transport in bulk according to IMO instruments
no data available
Safety, health and environmental regulations specific for the product in question
European Inventory of Existing Commercial Chemical Substances (EINECS)Abbreviations and acronyms
- CAS: Chemical Abstracts Service
- ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
- RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
- IMDG: International Maritime Dangerous Goods
- IATA: International Air Transportation Association
- TWA: Time Weighted Average
- STEL: Short term exposure limit
- LC50: Lethal Concentration 50%
- LD50: Lethal Dose 50%
- EC50: Effective Concentration 50%
References
- IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
- HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
- IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
- eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
- CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
- ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
- ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
- Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
- ECHA - European Chemicals Agency, website: https://echa.europa.eu/
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.