Selecting Oxalic acid dihydrate: role, specs and pitfalls in Plating agent
Judging Oxalic acid dihydrate (CAS 6153-56-6) on a single number is how most mismatches start. In Plating agent incoming inspection we see the same bias repeatedly; this page untangles the logic behind it.
Let's get the mechanism first
Most people's first guess is off — here's why:Industrially, the value of Oxalic acid dihydrate (CAS 6153-56-6) is rarely on the spec sheet — it is whether it stably meets your process window. In Plating agent, 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:
- 2,6-Dimethoxyphenol (CAS 91-10-1)：a comparable grade often evaluated alongside。
- Methyl phenethyl ether (CAS 3558-60-9)：a comparable grade often evaluated alongside。
- Rotundone (CAS 14765-30-1)：a comparable grade often evaluated alongside。
- Ammonium bromide (CAS 12124-97-9)：a comparable grade often evaluated alongside。
- Acetylsalicylic acid (CAS 50-78-2)：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。
Basic specifications
| Name | Oxalic acid dihydrate |
|---|---|
| English name | Oxalic acid dihydrate |
| CAS No. | 6153-56-6 |
| Formula | C2H2O4.2H2O |
| Molecular weight | 126.07 g/mol |
| Applications | Plating agent |
| 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 C2H2O4.2H2O, molecular weight 126.07 g/mol, CAS 6153-56-6, melting point 101 °C. 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.
Sourcing & incoming-inspection points
The one I weigh most: 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.
Where most cases go wrong
- 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
How do I compare value across suppliers of Oxalic acid dihydrate at the same spec?
Don't just compare price per kg — compute usable yield. Purity, batch consistency and documentation completeness all affect what actually makes it through your QC; line up the key COA values across vendors before opening the price conversation.
Signal to switch suppliers of Oxalic acid dihydrate?
If key impurities drift >10% between consecutive lots, or two on-site re-tests in a row fail, start qualifying a second source — don't wait for a line stoppage.
How often should the Oxalic acid dihydrate MSDS be refreshed, and is it a regulation?
MSDS has no fixed refresh cadence, but it should be revisited whenever the regulation, customer standard, or the molecular/impurity profile changes; an annual version check keeps arrival documents from going stale.
What is the molecular formula and weight of Oxalic acid dihydrate?
For Oxalic acid dihydrate, the molecular formula is C2H2O4.2H2O and molecular weight about 126.07 g/mol (CAS 6153-56-6). These are published physical properties; exact purity, specification and packaging follow the batch COA and order confirmation.
Worth comparing alongside
- Methyl phenethyl ether (CAS 3558-60-9)
- Rotundone (CAS 14765-30-1)
- Ammonium bromide (CAS 12124-97-9)
- Acetylsalicylic acid (CAS 50-78-2)
- Aluminium stearate (CAS 637-12-7)
- Acetic acid,sodium salt trihydrate (CAS 6131-90-4)
See site search for Oxalic acid dihydrate 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@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 (6153-56-6) of Oxalic acid dihydrate 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.