Selecting Magnesium oxide for Fine Chemicals: mechanism, companions and pitfalls
People in Fine Chemicals often fixate on assay and miss the impurity profile and blend logic; Magnesium oxide (CAS 1309-48-4) is a good example.
1. Role & mechanism in Industrial Chemicals
Industrially, the value of Magnesium oxide (CAS 1309-48-4) is rarely on the spec sheet — it is whether it stably meets your process window. In Fine 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:
- Magnesium Hydroxide (CAS 1309-42-8)：a comparable grade often evaluated alongside。
- Magnesium oxide (CAS 1309-48-4)：a comparable grade often evaluated alongside。
- magnesium titanium zinc tetraoxide (CAS 12179-29-2)：a comparable grade often evaluated alongside。
Selection notes
- 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.
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.
2. Basic specifications
| Product | Magnesium oxide |
|---|---|
| CAS No. | 1309-48-4 |
| Formula | MgO |
| Molecular weight | 40.305 |
| Applications | Fine 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.
3. FAQ
Where is Magnesium oxide mainly used?
Mostly in <strong>Fine Chemicals</strong>-related processes and formulations; the exact use depends on the finished product and process requirements.
How do I judge whether the specification fits?
State the use, process window and critical limits so the supplier can recommend a grade; when unsure, validate with a trial first.
Which quality documents come with Magnesium oxide?
A COA per batch, with MSDS / technical data sheet and third-party tests available on request; tell us at enquiry if a specific standard must be met.
4. Related products & comparison
- Magnesium Hydroxide (CAS 1309-42-8)
- Magnesium oxide (CAS 1309-48-4)
- magnesium titanium zinc tetraoxide (CAS 12179-29-2)
- 饲料级氧化镁 (CAS —)
- dimagnesium dichloride oxide (CAS 12515-52-5)
- 氢氧化镁半成品 (CAS —)
For a side-by-side comparison, see the full in-site results for 氧化镁 and check the CAS and specification of each before deciding.
5. Supply & enquiries
Jinan Shenghe Chemical Co., Ltd. supplies chemical raw materials and fine chemicals with a COA for every shipment. In your enquiry please include product name, CAS, target purity and packaging; we reply within one business day.
Contact: info@591daili.com | +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.