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Linoleic acid

CAS No.: 60-33-3
Formula: C18H32O2
Molecular Weight: 280.45
Suppliers: All(0) China Suppliers(7) Products(25)
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  • Basic Info
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What is Linoleic acid

**Introduction to Linoleic Acid** Linoleic acid (LA) is an essential omega-6 polyunsaturated fatty acid (PUFA) that plays a crucial role in human health. As the body cannot synthesize it, it must be obtained through diet, primarily from vegetable oils (e.g., sunflower, soybean, and corn oil), nuts, and seeds. Linoleic acid is a key component of cell membranes and a precursor to bioactive lipids that regulate inflammation, skin health, and metabolism. It supports cardiovascular health by helping maintain healthy cholesterol levels and is vital for brain function. Additionally, LA is widely used in cosmetics and skincare for its moisturizing and barrier-repairing properties. While beneficial, balanced intake with omega-3 fatty acids is recommended for optimal health.

Preparation Process: Linoleic acid (LA) is an omega-6 fatty acid found in vegetable oils. To prepare it: 1. **Extraction**: Obtain LA-rich oils (e.g., safflower, sunflower, or soybean oil) via cold pressing or solvent extraction. 2. **Saponification**: Treat the oil with an alkali (e.g., NaOH) to hydrolyze triglycerides into fatty acid salts (soap) and glycerol. 3. **Acidification**: Add a strong acid (e.g., HCl) to convert the salts into free fatty acids. 4. **Purification**: Fractional distillation or urea crystallization isolates LA from other fatty acids. 5. **Final Treatment**: Further purify via column chromatography or low-temperature crystallization for high-purity LA (≥99%). Store under inert gas to prevent oxidation.

Usage Scenarios: Linoleic acid, an essential omega-6 fatty acid, is primarily used in nutrition, skincare, and industrial applications. In human health, it supports cell membrane integrity, reduces inflammation, and aids in cholesterol metabolism, often found in dietary supplements and fortified foods. In cosmetics, it hydrates skin, strengthens the skin barrier, and is used in moisturizers, serums, and anti-aging products. Industrially, linoleic acid serves as a raw material for soaps, paints, varnishes, and biodiesel production. Additionally, it is used in animal feed to promote growth and improve coat health. Its derivatives, like conjugated linoleic acid (CLA), are popular in weight management supplements.

Linoleic acid Basic Info
Chemical Name Linoleic acid
Synonyms Linoleic;9,12-OCTADECADIENOIC ACID;LINOLEATE;(9Z,12Z)-Octadeca-9,12-dienoic acid;LINOLIC ACID;(Z,Z)-9,12-Octadecadienoic acid;CASTOR OIL FATTY ACID;9,12-Linoleic acid;Linoleic Acid (peroxide free);9,12-octadecadienoic
CAS No. 60-33-3
Molecular Formula C18H32O2
Molecular Weight 280.45
PSA 37.30000
LogP 5.88450
Safely Info
RTECS RF9990000
Hazard Class -
Safety Statements 26-24/25-36-37/39
HS Code 29161500
WGK Germany 1
Packing Group -
RIDADR UN1170 - class 3 - PG 2 - Ethanol
Risk Statements 36-36/37/38
Hazard Codes Xi
Caution Statement P210-P305+P351+P338-P370+P378-P403+P235
Hazard Declaration H225-H319
Symbol GHS02,GHS07
Signal Word Danger
Linoleic acid Price
United States: $20-$30/kg
China: $15-$25/kg
Russia: $25-$35/kg
Germany: $30-$40/kg
India: $10-$20/kg
Japan: $40-$50/kg
Brazil: $20-$30/kg
South Korea: $25-$35/kg
Philippines: $15-$25/kg
United Kingdom: $30-$40/kg
France: $35-$45/kg
Mexico: $20-$30/kg
Canada: $25-$35/kg
South Africa: No results
Egypt: $20-$30/kg
Turkey: $25-$35/kg
Thailand: $15-$25/kg
Indonesia: $15-$25/kg
MSDS
MSDS
Name: Linoleic acid cell culture tested in methyl-beta-cyclodextrin 30mg Material Safety Data Sheet
Synonym: None Known
CAS: 60-33-3
Section 1 - Chemical Product   MSDS Name:Linoleic acid cell culture tested in methyl-beta-cyclodextrin 30mg Material Safety Data Sheet
Synonym:None Known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
60-33-3 Linoleic acid 3.0% 200-470-9
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. Low hazard for usual industrial handling.
Inhalation:
May cause respiratory tract irritation.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a dry area. Deep freeze (below -20C).

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 60-33-3: CAS# 128446-36-6: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Powder
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula:
Molecular Weight:

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not currently available.
Conditions to Avoid:
Excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 60-33-3: RF9990000 CAS# 128446-36-6 unlisted.
LD50/LC50:
CAS# 60-33-3: Oral, mouse: LD50 = >50 gm/kg.
CAS# 128446-36-6.
Carcinogenicity:
Linoleic acid - Not listed by ACGIH, IARC, or NTP.
Methyl-beta-cyclodextrin - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 60-33-3: 1
CAS# 128446-36-6: No information available.
Canada
CAS# 60-33-3 is listed on Canada's DSL List.
CAS# 128446-36-6 is listed on Canada's DSL List.
CAS# 60-33-3 is listed on Canada's Ingredient Disclosure List.
CAS# 128446-36-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 60-33-3 is listed on the TSCA inventory.
CAS# 128446-36-6 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
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