Molekula
Polymaleic acid, 48% aqueous solution
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
Polymaleic acid is a water-soluble polymer used primarily as a scale inhibitor, dispersant, and corrosion inhibitor in water treatment, oil recovery, and industrial cleaning applications. This 48% aqueous solution is a versatile chemical with strong chelating and sequestering properties, effective in preventing mineral deposits and improving efficiency in cooling systems, boilers, and reverse osmosis processes. CAS 26099-09-2, with the molecular formula [CH(COOH)]n, it is stable at ambient storage conditions. The product carries a warning signal word due to its moderate hazard profile. Molekula supplies polymaleic acid, 48% aqueous 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 | Clear, light yellow to reddish brown liquid |
| Density | 1.22 - 1.25 (20°C) |
| pH | 2.0 - 3.0 (1% aq.) |
| Assay | ⩾ 48.0% |
| Bromine (Br) | ≤ 50.0mg/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90036806 |
| CAS Number | 26099-09-2 |
| Molecular Formula | [CH(COOH)]n |
| Molecular Weight | N/A |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29171927 |
| Tariff Code | 2917198090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists 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
No alternate names recorded for this product.
Frequently asked questions
What is polymaleic acid (48% aqueous solution) commonly used for?
This product is primarily used in water treatment (scale inhibition, corrosion control), detergents, and as a dispersant in industrial applications.
What is the chemical formula and molecular weight of polymaleic acid?
The formula is [CH(COOH)]<sub>n</sub>; molecular weight is not applicable due to its polymeric nature.
How should polymaleic acid (48% aqueous solution) be stored?
Store in a tightly sealed container at ambient temperature, away from direct sunlight and incompatible materials.
What grades or purity levels of polymaleic acid does Molekula supply?
Molekula supplies this product as a technical-grade 48% aqueous solution, suitable for industrial applications.
Can Molekula supply polymaleic acid in bulk quantities?
Yes, Molekula can provide bulk quantities of polymaleic acid (48% aqueous solution) depending on customer requirements.
What documentation comes with an order of polymaleic acid?
Each order includes a Material Safety Data Sheet (MSDS), Certificate of Analysis (CoA), and a technical data sheet.
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.