Molekula
Oxalic acid 9-10% solution
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Oxalic acid is a strong organic acid commonly used in cleaning agents, dyeing, textile processing, and as a bleaching agent in paper and leather industries. It is also employed in rust removal, ink removal, and as a laboratory reagent for precipitation reactions. This product is a 9-10% aqueous solution of oxalic acid (CAS 144-62-7) with a molecular formula of C2H2O4 and molecular weight of 90.03 g/mol. It is stored at ambient temperatures and carries a signal word of Warning. Molekula supplies Oxalic acid 9-10% solution 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.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 | Colourless liquid |
| Colour (Pt-Co) | Reported |
| Active content | 9.5 - 10.5% (Titration) |
| Oxalic Acid Dihydrate | 9.9 - 10.1% |
| Distilled Water | 89.9 - 90.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90037497 |
| CAS Number | 144-62-7 |
| IUPAC Name | oxalic acid |
| EC Number | 205-634-3 |
| Molecular Formula | C2H2O4 |
| Molecular Weight | 90.03 |
| Exact Mass | 89.9953 |
| SMILES | C(=O)(C(=O)O)O |
| InChIKey | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6) |
| PubChem CID | 971 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29171100 |
| Tariff Code | 2917110091 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H319 Causes serious eye irritation
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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, Portuguese, 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
- Acide oxalique
- Acidum oxalicum
- Aktisal
- Aquisal
- ethanedioic acid
- Kyselina stavelova
- Oxaalzuur
- oxalic acid
- Oxalsaeure
- Oxiric acid
Frequently asked questions
What is oxalic acid 9-10% solution commonly used for?
This solution is primarily used for cleaning and stain removal in textiles, paper, and metal industries, as well as in laboratory settings for complexation and analytical chemistry.
What is the chemical formula and molecular weight of oxalic acid?
The chemical formula is C₂H₂O₄, and the molecular weight is 90.03 g/mol.
What is the signal word and hazard classification for this product?
The signal word is Warning, reflecting the hazard statements H319 (causes serious eye irritation) and H373 (may cause damage to organs through prolonged or repeated exposure). Full SDS details are available upon request.
How should oxalic acid 9-10% solution be stored?
Store at ambient temperature in a tightly sealed container, away from incompatible substances like strong oxidizers or alkalis.
Does Molekula supply oxalic acid in bulk quantities?
Yes, we offer bulk packaging options (e.g., drums, IBCs) for industrial customers—please contact us for pricing and lead times.
What documentation comes with an order of oxalic acid solution?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and Material Safety Information 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.