Molekula
Hydrophobic pyrogenic silica
Hydrophobic pyrogenic silica is a fumed silica treated to be water-repellent, used as a thickening agent, anti-caking agent, and rheology modifier in coatings, adhesives, and sealants. Available in powder form, it is stable at ambient storage conditions. CAS: 67762-90-7. Signal word: Warning. Molekula supplies Hydrophobic pyrogenic silica from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Hydrophobic pyrogenic silica is a fumed silica treated to be water-repellent, used as a thickening agent, anti-caking agent, and rheology modifier in coatings, adhesives, and sealants. Available in powder form, it is stable at ambient storage conditions. CAS: 67762-90-7. Signal word: Warning. Molekula supplies Hydrophobic pyrogenic silica from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| pH | 4-6 (in 4% dispersion) |
| Loss on Drying | 2 hours at 105.C ≤ 0.5% |
| SiO2 Content | ≥ 99.8% (based on ignited material) |
| Carbon Content | 3.5.5% |
| Specific Surface Area(BET) | 80 - 120 m2/g |
| Tamped density (g/l) | ~ 60 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 67762-90-7 |
| Molecular Formula | N/A |
| Molecular Weight | N/A |
| SMILES | N/A |
| REACH Code | Y110 |
| HTS Code | 3910.00.00.00 |
| Tariff Code | 3910000090 |
Safety & GHS
-
Flammable
GHS02
Hazard statements
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P284 Wear respiratory protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is hydrophobic pyrogenic silica used for?
It is used as a thickening agent, anti-caking agent, and rheology modifier in coatings, adhesives, and sealants.
What is the chemical formula and molecular weight?
The formula and molecular weight are not available for this product.
How should hydrophobic pyrogenic silica be stored?
Store at ambient temperature in a dry, well-ventilated area.
What grade is available?
This product is available in standard industrial grade.
Can Molekula supply it in bulk?
Yes, Molekula can supply hydrophobic pyrogenic silica in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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