2,2′-Dipyridyl N-oxide (CAS 33421-43-1): Sourcing & QC Notes for Industrial Chemicals
When a sourcing manager asks us whether our 2,2′-Dipyridyl N-oxide (CAS 33421-43-1) 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.
Basic specifications
| Name | 2,2′-Dipyridyl N-oxide |
|---|---|
| English name | 2,2′-Dipyridyl N-oxide |
| CAS No. | 33421-43-1 |
| Formula | C10H8N2O |
| Molecular weight | 172.18 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 C10H8N2O, molecular weight 172.18 g/mol, CAS 33421-43-1. These are published physical properties; purity and packaging follow the batch COA and order confirmation.
How it works
Most people’s first guess is off — here’s why:
Industrially, the value of 2,2′-Dipyridyl N-oxide (CAS 33421-43-1) 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:
- Ammonium bromide (CAS 12124-97-9)：a comparable grade often evaluated alongside。
- Aluminium stearate (CAS 637-12-7)：a comparable grade often evaluated alongside。
- Acetic acid,sodium salt trihydrate (CAS 6131-90-4)：a comparable grade often evaluated alongside。
- Albuterol sulfate (CAS 51022-70-9)：a comparable grade often evaluated alongside。
- Aluminum fluoride (CAS 7784-18-1)：a comparable grade often evaluated alongside。
- Ammonium thiosulfate (CAS 7783-18-8)：a comparable grade often evaluated alongside。
- Aluminium Oxide (CAS 1344-28-1)：a comparable grade often evaluated alongside。
- atropine sulphate (CAS 55-48-1)：a comparable grade often evaluated alongside。
Checks worth running before you order
- Most practically, the top item is: 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.
What newcomers overlook
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.
The ones you’ll likely ask
Where is 2,2′-Dipyridyl N-oxide mainly used?
Mostly in Industrial Chemicals-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 2,2′-Dipyridyl N-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.
Further reading
- Aluminium stearate (CAS 637-12-7)
- Acetic acid,sodium salt trihydrate (CAS 6131-90-4)
- Albuterol sulfate (CAS 51022-70-9)
- Aluminum fluoride (CAS 7784-18-1)
- Ammonium thiosulfate (CAS 7783-18-8)
- Aluminium Oxide (CAS 1344-28-1)
See site search for 2,2′-Dipyridyl N-oxide or browse the Organic Chemicals directory.
How to get files & a quote
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.