Linseed Oil
Linseed Oil, also known as flaxseed oil, is derived from the seeds of the flax plant (Linum usitatissimum). It is a pale yellow to amber oil with a mild, nutty aroma. Rich in omega-3 fatty acids and antioxidants, Linseed Oil is widely used in cosmetics, personal care, industrial applications, and traditional medicine. It is valued for its moisturizing, anti-inflammatory, and skin conditioning properties, as well as its drying qualities in paints and varnishes.
Uses
Primary Uses
Cosmetics and Personal Care
- Used in skin care products for moisturizing and anti-inflammatory benefits.
- Incorporated into hair care formulations to improve scalp health and hair texture.
- Applied in massage oils and balms for soothing and nourishing effects.
Industrial Applications
- Used as a drying oil in paints, varnishes, and wood finishes.
- Employed in manufacturing linoleum and printing inks.
Secondary Uses
Food Industry
- Used as a dietary supplement for omega-3 fatty acids (food-grade only).
Pharmaceuticals
Included in topical formulations for skin healing and anti-inflammatory purposes.
Basic Identification Attributes
- Botanical Name: Linum usitatissimum
- Common/Trade Name: Linseed Oil, Flaxseed Oil
- INCI Name: Linum Usitatissimum (Linseed) Seed Oil
- CAS Number: 8001-26-1
- HS Code: 1515.90
- Synonyms: Flaxseed Oil
Physical & Chemical Properties
- Physical State: Liquid oil
- Color & Odor: Pale yellow to amber; mild nutty aroma
- Solubility: Insoluble in water; soluble in organic solvents
- Specific Gravity: 0.930 – 0.940
- Refractive Index: 1.470 – 1.480
- Acid Value: Typically 3–5 mg KOH/g
- Iodine Value: High, indicating drying properties
Safety & Hazard Attributes
- GHS Classification: Flammable liquid
- Toxicity: Low toxicity; safe in cosmetics when refined
- Exposure Limits: Follow Safety Data Sheet recommendations
- Allergen Information: Generally safe; may cause sensitivity in rare cases
Storage & Handling Attributes
- Storage Conditions: Store in a cool, dark place, tightly sealed
- Container Type: Food-grade drums, bottles, or containers
- Shelf Life: 12–24 months depending on storage conditions
- Handling Precautions: Avoid exposure to heat and light to prevent rancidity
Regulatory & Compliance Attributes
- Compliant with cosmetic and food regulations where applicable
- Produced in GMP-compliant facilities
- Approved for cosmetic, pharmaceutical, and food use (when food-grade)
Environmental & Health Impact
- Biodegradability: Biodegradable
- Ecotoxicity: Low aquatic toxicity at normal use levels
- Bioaccumulation: Not expected
Safety Handling Precautions
- PPE Required: None required for typical handling
- Handling Guidelines: Store away from heat and direct sunlight
First Aid Measures
- Inhalation: Not applicable under normal use
- Skin Contact: Generally safe; wash if irritation occurs
- Eye Contact: Rinse with water if contact occurs
- Ingestion: Non-toxic in normal amounts; seek medical advice if ingested in large amounts
Firefighting Measures
- Fire Hazards: Combustible liquid
- Extinguishing Media: Foam, dry chemical, COâ‚‚
- Special Precautions: Avoid direct flames and overheating
- Hazardous Combustion Products: Carbon monoxide, carbon dioxide