Molekula
Ammonium oxalate monohydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ammonium oxalate monohydrate is a white crystalline solid used in analytical chemistry, as a reagent in titrations, and in the removal of iron stains. It is also employed in the preparation of other oxalate salts and in some photographic processes. Industrial applications include textile dyeing and printing, leather finishing, metal polishing and refining, and the detection of metals such as calcium and lead. CAS: 6009-70-7, Molecular Formula: (NH4)2C2O4 · H2O, Molecular Weight: 142.11 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies ammonium oxalate monohydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
In stock — dispatched within 2 working days
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
100 g — £15.00 per pack ex VAT · £18.00 inc. VAT
-
250 g — £26.00 per pack ex VAT · £31.20 inc. VAT
-
500 g — £41.00 per pack ex VAT · £49.20 inc. VAT
-
1 kg — £61.70 per pack ex VAT · £74.04 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Identification | Conforms to reference |
| Chloride (Cl-) | ≤0.001% |
| Assay | ≥98.0% (Perm.) |
| Water insoluble matter | ≤0.005% |
| Metals | (All maximum values by ICP) Ca: 10ppm, Cu: 5ppm, Fe: 2ppm, Ni: 5ppm, Pb: 5ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 66352791 |
| CAS Number | 6009-70-7 |
| IUPAC Name | azane;oxalic acid;hydrate |
| Molecular Formula | (NH4)2C2O4 · H2O |
| Molecular Weight | 142.11 |
| Exact Mass | 142.059 |
| SMILES | C(=O)(C(=O)O)O.N.N.O |
| InChIKey | MSMNVXKYCPHLLN-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2 |
| PubChem CID | 62600 |
| REACH Code | Y113 |
| HTS Code | 29171100 |
| Tariff Code | 2917110099 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- ammonia;oxalic acid;hydrate
- Ammonium Oxalate ((NH4)2C2O4) Monohydrate; Diammonium Oxalate Monohydrate;
- ammonium oxalate hydrate
- azane;oxalic acid;hydrate
- Diammonium oxalate monohydrate
- Ethanedioic acid, diammonium salt, monohydrate
- Ethanedioic Acid, Monohydrate
- Oxalic acid (diammonium monohydrate)
- Oxalic acid diammonium salt
- Oxalic acid, diammonium salt, monohydrate
Frequently asked questions
What is ammonium oxalate monohydrate used for?
It is commonly used as a reagent in analytical chemistry, particularly in titrations and as a reducing agent.
What is the chemical formula and molecular weight?
The formula is (NH4)2C2O4 · H2O and the molecular weight is 142.11 g/mol.
How should ammonium oxalate monohydrate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in analytical grade; other grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA); additional documentation such as SDS can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.