A sourcing reference for Magnesium Trisilicate, with a Industrial Chemicals focus
When a sourcing manager asks us whether our Magnesium Trisilicate (CAS 14987-04-3) spec is acceptable, we don't just say yes or no. We look at your Industrial Chemicals conditions first, then back into the indicators to verify. This page follows that same method.
Let's get the mechanism first
What actually decides the result is not a single number.Industrially, the value of Magnesium Trisilicate (CAS 14987-04-3) is rarely on the spec sheet — it is whether it stably meets your process window. In Industrial Chemicals, its purity, impurity profile and batch consistency usually matter more than a single 'assay' number, because what really moves the finished result is often the ignored impurities and physical properties. Comparable grades:
- Powdered Cellulose (CAS 52907-01-4)：a comparable grade often evaluated alongside。
- Anhydrous Lactose (CAS 63-42-3)：a comparable grade often evaluated alongside。
- Lactose Monohydrate (CAS 5989-81-1)：a comparable grade often evaluated alongside。
- Corn Starch：a comparable grade often evaluated alongside。
- Pregelatinized Starch：a comparable grade often evaluated alongside。
- Croscarmellose Sodium：a comparable grade often evaluated alongside。
- Povidone：a comparable grade often evaluated alongside。
- Crospovidone (CAS 25249-54-1)：a comparable grade often evaluated alongside。
Basic specifications
| Name | Magnesium Trisilicate |
|---|---|
| English name | Magnesium Trisilicate |
| CAS No. | 14987-04-3 |
| Formula | Mg2O8Si3 |
| Molecular weight | 260.86 g/mol |
| Applications | Industrial Chemicals |
| Standard purity | per batch COA |
| Packaging | confirmed per order |
| Storage | keep sealed in a cool, dry place |
Figures above are published / typical information; final values follow the batch COA and order confirmation.
Key physical data: molecular formula Mg2O8Si3, molecular weight 260.86 g/mol, CAS 14987-04-3. Sourced from public chemical databases such as PubChem, ChemSpider and the CAS Registry; the CAS number is the authoritative registry identifier. Purity and packaging follow the batch COA and order confirmation.
How to get the choice right
If I had to pick one, it'd be: Define the end use and process window first, then work back to required purity and impurity limits — not the other way around.
Check compatibility with other materials in the system; run a trial when unsure.
Match packaging and feeding method to on-site equipment so the material is usable on arrival.
Retain samples of critical lots and run third-party checks; do not rely on the supplier COA alone.
A few common pitfalls
- Comparing price but not impurity profile: same assay with different impurities can yield wildly different results.
- Skipping samples and scaling up: going straight to volume most often fails on compatibility.
- Ignoring transport and storage: most 'arrived-dead' cases trace back to loose handling.
Things we get asked a lot
In a COA for Magnesium Trisilicate, which values best reveal batch stability?
Residual solvent, colour, moisture and heavy metals carry more signal than the assay line; different suppliers use different COA templates, so pick the 2-3 limits that matter for your use and compare those across vendors.
Between bench and scale-up, where does Magnesium Trisilicate most often fail?
The dosing point and contact time — at scale, heat/mass transfer degrade, and compatibility issues that didn't show at the bench surface here; run 2-3 graded trials before going to full volume.
How do I match Magnesium Trisilicate packaging to my site?
Work backward from dosing frequency and metering precision: continuous dosing suits bags/drums, intermittent suits smaller packs; and the pack material (PE/PP/glass) must be compatible with the material to avoid uptake or migration.
What is the molecular formula and weight of Magnesium Trisilicate?
For Magnesium Trisilicate, the molecular formula is Mg2O8Si3 and molecular weight about 260.86 g/mol (CAS 14987-04-3). These are published physical properties; exact purity, specification and packaging follow the batch COA and order confirmation.
Worth comparing alongside
- Anhydrous Lactose (CAS 63-42-3)
- Lactose Monohydrate (CAS 5989-81-1)
- Corn Starch
- Pregelatinized Starch
- Croscarmellose Sodium
- Povidone
See site search for Magnesium Trisilicate or browse the Organic Chemicals directory.
Supply & quality files
Jinan Shenghe Chemical Co., Ltd. supplies chemical raw materials and fine chemicals; a COA ships with every batch, with MSDS and technical data sheets available on request. In your enquiry include product name, CAS, target purity and packaging, and we will provide documents and a quote to the relevant standard.
Contact: info@chemsp.cn | +86-18553102138
Note: This page is for industrial raw-material technical discussion only. Products are supplied for industrial and research use, not for consumer or medical use. Drinking-water, food, cosmetic or pharmaceutical applications must meet applicable regulations and customer standards; specifications, compliance documents and transport requirements follow the batch COA and order confirmation.
Data source & notes
Physical data in this page (formula, molecular weight, etc.) is referenced from public chemical databases such as PubChem, ChemSpider and the CAS Registry — intrinsic published properties of the substance.The CAS number (14987-04-3) of Magnesium Trisilicate is the authoritative registry identifier from CAS, useful for precise cross-database verification.Purity, packaging, storage and transport follow the batch COA and order confirmation documents; application notes are general industry experience and any specific process must be validated and assessed for compliance.