0
Specifications:
| Application | Organic Synthesis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | C₄H₄O₄ |
VWR Maleic Acid, offered under the GPR RECTAPUR® grade, is a high-purity dicarboxylic acid widely used in chemical synthesis, polymer research, buffer preparation, and analytical applications. With an assay of ≥99.0%, this reagent provides reliable performance for laboratories requiring consistent acidity, solubility, and reactivity.
The crystalline solid is ideal for acid-base titrations, resin modification, and preparation of maleate buffers in biochemical and industrial settings.
Product Attributes
- Assay ≥99.0% (HPLC and acidimetric) for consistent purity
- Conforms to GPR RECTAPUR® laboratory-grade specifications
- Excellent thermal and chemical stability
- Water-soluble crystalline powder suitable for formulation and pH control
- Supplied in sealed plastic containers to ensure long-term stability
Chemical and Physical Properties
| Parameter | Value |
|---|---|
| CAS Number | 110-16-7 |
| Chemical Formula | C₄H₄O₄ |
| Molecular Weight | 116.07 g/mol |
| MDL Number | MFCD00063177 |
| Merck Index Number | 13,05726 |
| Boiling Point | 256 °C (at 1013 hPa) |
| Melting Point | 130–131 °C |
| Flash Point | 127 °C (closed cup) |
| Density | 1.59 g/cm³ (at 20 °C) |
| EINECS Number | 203-742-5 |
| UN Number | 3261 |
| ADR Classification | Class 8, Packing Group III |
| Hazard Classification | GHS07 |
| Storage Temperature | Ambient |
Specification Test Results
| Test | Specification |
|---|---|
| Assay (HPLC, area%) | Min. 99.0% |
| Assay (acidimetric) | Min. 99.0% |
| Identification | Passes test |
| Melting Point Range | 130 – 135 °C |
Available Pack Sizes
| Catalog Number | Pack Type | Quantity |
|---|---|---|
| 85968.180 | Plastic container | 100 g |
| 85968.290 | Plastic container | 1 kg |
| 85968.360 | Plastic container | 5 kg |
Applications
- Preparation of maleate buffers in biochemical and pharmaceutical labs
- Acidulant and pH adjuster in laboratory formulations
- Polymer and resin synthesis (copolymerization of maleic anhydride derivatives)
- Cross-linking agent in industrial chemical processes
- Titrimetric and spectrophotometric acid-base analysis
VWR® Maleic Acid ≥99.0%, GPR RECTAPUR® delivers high purity and consistency for routine laboratory applications in synthesis, formulation, and analytical procedures.
- Pack Size: 1kg 100g 5kg 25kg
Resources file not found.
Add a Review
Customer Review
Showing
0
Of
0