Magnesium Hydroxide (CAS 1309-42-8): companion and pitfall notes for Fine Chemicals
Six or seven of every ten Magnesium Hydroxide (CAS 1309-42-8) enquiries are really “is this right for my case?”. This page follows mechanism → selection → pitfalls to answer that.
How it works
Industrially, the value of Magnesium Hydroxide (CAS 1309-42-8) is rarely on the spec sheet — it is whether it stably meets your process window. In Fine Chemicals; Color Retention Agents, 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:
- 氢氧化镁半成品 (CAS —)：a comparable grade often evaluated alongside。
- 高纯氢氧化镁原料 (CAS —)：a comparable grade often evaluated alongside。
- 高纯超细氢氧化镁 (CAS —)：a comparable grade often evaluated alongside。
Basic specifications
| Name | Magnesium Hydroxide |
|---|---|
| English name | Magnesium Hydroxide |
| CAS No. | 1309-42-8 |
| Formula | Mg(OH)2 |
| Molecular weight | 58.320 |
| Applications | Fine Chemicals; Color Retention Agents |
| 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.
What actually matters when selecting
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.
The easiest things to miss
- 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.
Q&A
Where is Magnesium Hydroxide mainly used?
Mostly in Fine Chemicals; Color Retention Agents-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 Hydroxide?
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.
Comparable grades
- 氢氧化镁半成品 (CAS —)
- 高纯氢氧化镁原料 (CAS —)
- 高纯超细氢氧化镁 (CAS —)
- Magnesium carbonate hydroxide (CAS 12125-28-9)
- Magnesium Hydroxide 1309 42 8/?lang=en
- 甘氨酸镁
See site search for 氢氧化镁 or browse the Organic Chemicals directory.
Procurement contact
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@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.