Molekula
Silicone oil
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Silicone oil is a synthetic polymer fluid composed of repeating siloxane units, widely used as a lubricant, water repellent, and release agent in industries like cosmetics, automotive, and manufacturing. It provides thermal stability, low surface tension, and excellent dielectric properties. This product has a CAS number of 63148-62-9 and the molecular formula [-Si(CH3)2O-]n. It is stored at ambient conditions and carries a signal word of "Warning" for safety. Molekula supplies silicone oil from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless transparent liquid |
| Density | 0.955 - 0.985g/cm3 (at 25°C) |
| Refractive Index | 1.4000 - 1.4100 (at 25°C) |
| Viscosity | 500 - 1000cSt (at 25°C) |
| Identification | Conforms to reference |
| Freezing Point | ≤ -50°C |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 101 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 11720716 |
| CAS Number | 63148-62-9 |
| Molecular Formula | [-Si(CH3)2O-]n |
| Molecular Weight | 162 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 39100000 |
| Tariff Code | 3910000090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is silicone oil commonly used for?
Silicone oil is widely used as a lubricant, water repellent, release agent, and in personal care products like hair conditioners and skincare due to its non-reactive, non-toxic, and smooth properties.
What is the chemical formula and molecular weight of silicone oil?
The chemical formula is [-Si(CH3)2O-]n, but the molecular weight (MW) varies depending on the viscosity grade and chain length.
How should silicone oil be stored?
Store silicone oil in a tightly sealed container at ambient temperature, away from direct sunlight and moisture to prevent contamination.
What grades or viscosities of silicone oil does Molekula supply?
Molekula supplies silicone oil in various viscosity grades (e.g., 10 cSt, 350 cSt, 1000 cSt, etc.), but specific grades available depend on current stock and bulk requirements.
Can Molekula supply silicone oil in bulk quantities?
Yes, Molekula can supply silicone oil in bulk, with quantities and packaging options tailored to your specific needs—contact us for details.
What documentation comes with a silicone oil order?
Each order includes a Safety Data Sheet (SDS), Certificate of Analysis (CoA), and a product specification sheet to ensure compliance and quality assurance.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.