Molekula
Talc powder
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
Talc powder is a fine, white, naturally occurring mineral composed of hydrated magnesium silicate, commonly used as a lubricant, anti-caking agent, and in cosmetics and pharmaceuticals. In industry it serves as a filler in paints, rubber and putty, an additive in ceramics and paper coatings, and a carrier and diluent for insecticide formulations. It has a CAS number of 14807-96-6, a molecular formula of (SiO3H)4Mg3, and a molecular weight of 379.27 g/mol. Store at ambient temperatures. Handle with care due to the signal word Danger. Molekula supplies Talc powder 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 — £26.30 per pack ex VAT · £31.56 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 powder |
| Loss on Ignition | ≤6.0% |
| Bulk density | 1.00 g/cm3 |
| Moisture | ≤0.25% |
| Fe2O3 | ≤1.5% |
| Whiteness | ≥86.0% |
| Silicon Dioxide (SiO2) | ≥59.0% |
| Calcium Oxide (CaO) | ≤1.0% |
| Magnesium Oxide (MgO) | ≥30.0% |
| Aluminium oxide (Al2O3) | ≤1.5% |
| 200 mesh | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to grayish-white, very fine crystalline powder |
| Odour | Odorless. |
| Melting Point | 900-1000 °C |
| Vapour Pressure | 0 mmHg (approx) |
| Refractive Index | 1.58 |
Source: PubChem CID 165411828 (HSDB, ICSC, The National Institute for Occupational Safety and Health (NIOSH))
Identification
| Property | Value |
|---|---|
| SKU | 23913754 |
| CAS Number | 14807-96-6 |
| IUPAC Name | trimagnesium;1,3,5,7-tetraoxido-2,4,6,8,9,10-hexaoxa-1,3,5,7-tetrasilatricyclo[3.3.1.13,7]decane;dihydroxide |
| Molecular Formula | (SiO3H)4Mg3 |
| Molecular Weight | 379.27 |
| Exact Mass | 377.8175 |
| SMILES | [OH-].[OH-].[O-][Si]12O[Si]3(O[Si](O1)(O[Si](O2)(O3)[O-])[O-])[O-].[Mg+2].[Mg+2].[Mg+2] |
| InChIKey | QLQXSZZVUVMFHZ-UHFFFAOYSA-L |
| InChI | InChI=1S/3Mg.O10Si4.2H2O/c;;;1-11-5-12(2)8-13(3,6-11)10-14(4,7-11)9-12;;/h;;;;2*1H2/q3*+2;-4;;/p-2 |
| PubChem CID | 165411828 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2839.90.50.00 |
| Tariff Code | 2839900090 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- H350 May cause cancer
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
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
- Health Smart Baby
- Huashifen
- INS NO.553(III)
- Potstone
- Pulvis talci
- Sterile Talc
- STERITALC
- Steritalc 2g
- Steritalc 3g
- Steritalc 4g
Frequently asked questions
What is talc powder used for?
Talc powder is commonly used as a lubricant, anti-caking agent, and filler in cosmetics, pharmaceuticals, and industrial applications.
What is the chemical formula and molecular weight of talc powder?
The formula is (SiO3H)4Mg3 with a molecular weight of 379.27 g/mol.
How should talc powder be stored?
Store at ambient temperature, away from moisture and direct sunlight.
What grade of talc powder is available?
Available in pharmaceutical and industrial grades; specific details depend on the order.
Can Molekula supply talc powder in bulk?
Yes, Molekula can supply talc powder in bulk quantities—please contact us for pricing and availability.
What documentation comes with a talc powder order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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.