Dimethicone ( silicon oil) Amaris Chemicals

Dimethicone Silicon Oil

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Dimethicone Silicon Oil, also known as polydimethylsiloxane (PDMS) or silicone oil, is a clear, odorless, and non-volatile silicone-based polymer widely used for its lubricating, anti-foaming, water-repellent, and skin-conditioning properties. It is a linear silicone polymer composed of repeating dimethylsiloxane units. Dimethicone exhibits excellent thermal stability, chemical inertness, and low surface tension, making it highly versatile in pharmaceutical, cosmetic, personal care, industrial, and food applications. It is available in various viscosities, from very low to high viscosity oils, enabling tailored formulations.

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Categories: Emollients, Antifoaming Agents Tags: Cosmetic ingredients, Dimethicone, Silicone oil, Silicone polymer, Used in lubricants

Description

Table of Contents

Dimethicone Silicon Oil

Primary Uses

Cosmetics & Personal Care

Acts as a skin conditioning agent, providing a silky, smooth feel in creams, lotions, foundations, sunscreens, and hair care products.
Functions as an emollient and anti-foaming agent to improve texture and spreadability without greasiness.
Used in hair serums and conditioners to provide shine, reduce frizz, and protect hair from moisture loss and heat damage.
Forms a breathable, water-resistant barrier on the skin that protects and retains moisture.Pharmaceuticals

Utilized as a base and lubricant in topical formulations such as ointments, creams, and baby oils.
Functions as an anti-foaming agent in oral and intravenous formulations to prevent gas formation and aid manufacturing.
Used in medical devices and lubricants for catheters and other instruments due to its biocompatibility and non-toxicity.Industrial Applications

Serves as a lubricant, mold release agent, and anti-foaming agent in manufacturing processes including plastics, textiles, and rubber.
Used in polishes, coatings, and sealants to impart water repellency and enhance surface finish.
Employed in automotive and aerospace industries as a lubricant and protective coating.Food Industry

Approved as a food additive (E900) for use as an anti-foaming agent in food processing and packaging.
Helps prevent foaming during boiling, frying, and sterilization processes in food manufacturing.

Secondary Uses

Electronics & Optics

Used as a dielectric fluid and thermal interface material in electronics cooling and insulation.
Applied as an anti-reflective and protective coating in optical lenses and displays.Household Products

Included in polishes, lubricants, and air fresheners for its smooth texture and anti-foaming properties.Biomedical Research
Utilized in tissue engineering and biomedical devices for its biocompatibility and stability.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): Polydimethylsiloxane
Common/Trade Name: Dimethicone, Silicone Oil
CAS Number: 9006-65-9
HS Code: 3910.00.00
Molecular Formula: (C2H6OSi)n (variable polymer chain length)
Synonyms:
- Polydimethylsiloxane (PDMS)
- Silicone Oil
- Silicone Fluid

2. Physical & Chemical Properties

Physical State: Clear, colorless to pale yellow viscous liquid
Odor: Odorless
Viscosity: Ranges from 10 cSt to 1,000,000 cSt depending on grade
Boiling Point: >200°C (depending on molecular weight)
Density: Approximately 0.965 g/cm³ at 25°C
Solubility: Insoluble in water; soluble in organic solvents
Stability: Chemically stable, inert, non-reactive under normal conditions

3. Safety & Hazard Attributes

Hazard Class (GHS): Generally regarded as non-hazardous
Toxicity: Low toxicity; non-irritant to skin and eyes
Exposure Limits: No established occupational exposure limits, considered safe for topical use
Flammability: Non-flammable under normal conditions

4. Storage & Handling Attributes

Storage Conditions: Store in tightly sealed containers away from heat and direct sunlight
Container Type: HDPE or metal drums, glass bottles for low-viscosity grades
Shelf Life: 3–5 years if stored properly
Handling Precautions: Avoid contamination with water and particulate matter

5. Regulatory & Compliance Attributes

FDA approved for topical pharmaceutical and cosmetic use
Complies with USP, EP, and JP monographs for pharmaceutical grades
Approved as a food additive (E900) in regulated quantities
REACH registered and compliant

6. Environmental & Health Impact

Ecotoxicity: Low environmental toxicity; biodegradable under certain conditions
Persistence: Stable in the environment, but does not bioaccumulate
Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required:

Gloves (nitrile or latex)
Safety goggles or glasses
Lab coat or protective clothing

Handling Guidelines:

Avoid inhalation of mists or aerosols (especially in spray forms)
Use in well-ventilated areas
Prevent contamination with water or incompatible substances

Storage Measures:

Keep container tightly closed
Store in cool, dry place away from oxidizing agents
Avoid freezing or excessive heat exposure

Hygiene Practices:

Wash hands after handling
Avoid ingestion or prolonged skin contact
Do not eat, drink, or smoke during handling

First Aid Measures

Inhalation: Move person to fresh air; seek medical attention if respiratory irritation develops
Skin Contact: Wash with soap and water; seek medical attention if irritation persists
Eye Contact: Rinse with plenty of water for at least 15 minutes; consult a physician if irritation occurs
Ingestion: Rinse mouth; seek medical advice if symptoms occur

Firefighting Measures

Fire Hazards: Dimethicone is generally non-flammable but may burn at high temperatures
Extinguishing Media: Use water spray, foam, dry chemical, or CO₂
Special Precautions: Firefighters should wear protective gear and self-contained breathing apparatus (SCBA) if needed
Decomposition Products: May release silicon oxides and formaldehyde on combustion