Molekula
Silica gel Orange
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Silica gel Orange is a porous, granular form of silicon dioxide (SiO₂) widely used as a desiccant to absorb moisture and prevent corrosion, spoilage, or degradation in products during storage and transport. It is chemically inert, non-toxic, and effective in controlling humidity in packaging, electronics, pharmaceuticals, and food storage. This product has a CAS number of 112926-00-8, a molecular weight of 60.08 g/mol, and requires storage at ambient conditions. It carries no signal word for hazard classification. Molekula supplies Silica Gel Orange 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £30.90 per pack ex VAT · £37.08 inc. VAT
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 | White to orange powder or granules |
| Particle Size | Medium 1.0-3.0mm, Coarse 3.0-6.0mm |
| Moisture | 3% max. at 145°C |
| Adsorption Capacity | H2O: 33% min. w/w (50% RH) |
| Colour Change | Orange: 10% w/w adsorption, Pale-Orange: 15% w/w adsorption, Pale-Yellow: 20% w/w adsorption |
| Iron (Fe) | <0.5% w/w |
| pH (10% aq. sol.) | 1.8-2.2 |
| Pore Volume | 0.35-0.45ml/g |
| BET surface area | 600-800 m2/g |
| Humidity Indicator | Approx. 0.4% w/w |
| Silicon Dioxide (SiO2) | Approx. 98% w/w |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Amorphous powder |
| Odour | Odorless |
| Melting Point | 1713 °C |
| Boiling Point | 2230 °C |
| Solubility (other solvents) | Soluble in hot potassium hydroxide and hot sodium hydroxide solutions. Insoluble in ethanol |
| Vapour Pressure | 10 mmHg at 1732 °C |
Source: PubChem CID 24261 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 42989879 |
| CAS Number | 112926-00-8 |
| IUPAC Name | dioxosilane |
| EC Number | 231-545-4 |
| Molecular Formula | SiO2 |
| Molecular Weight | 60.08 |
| Exact Mass | 59.9668 |
| SMILES | O=[Si]=O |
| InChIKey | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
| InChI | InChI=1S/O2Si/c1-3-2 |
| PubChem CID | 24261 |
| REACH Code | Y113 |
| HTS Code | 28112210 |
| Tariff Code | 2811220090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, 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 Silica Gel Orange primarily used for?
Silica Gel Orange is commonly used as a desiccant to absorb moisture in packaging, laboratories, and industrial applications, with the orange indicator dye changing color to signal saturation.
What is the chemical formula and molecular weight of Silica Gel Orange?
The chemical formula is **SiO₂** with a molecular weight of **60.08 g/mol** (empirical formula for amorphous silica).
How should Silica Gel Orange be stored?
Store Silica Gel Orange in a cool, dry, and well-ventilated area at ambient temperature, sealed in its original packaging to prevent moisture absorption.
What grades or purity levels of Silica Gel Orange does Molekula supply?
Molekula supplies **technical-grade Silica Gel Orange** with no hazardous signal word, suitable for industrial desiccant applications.
Can Molekula supply Silica Gel Orange in bulk quantities?
Yes, Molekula can supply Silica Gel Orange in bulk, with packaging options tailored to your specific requirements—contact us for details.
What documentation comes with an order of Silica Gel Orange?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list detailing product specifications and batch information.
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.