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Maleic Acid, 99%, Thermo Scientific Chemicals
Shop All Thermo Scientific ProductsDescription
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Melting Point | 134.0°C to 138.0°C |
Color | White |
Assay Percent Range | 99% |
Linear Formula | HO2CCH=CHCO2H |
Beilstein | 02, IV, 2199 |
Merck Index | 15, 5767 |
Solubility Information | Solubility in water: 790g/L (25°C). Other solubilities: soluble in glacial acetic acid, soluble in alcohol and acetone, slightly soluble in ether and benzene, practically insoluble in carbon tetrachloride |
Formula Weight | 116.07 |
Percent Purity | 99% |
Quantity | 100 g |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
A0465383 | Certificate of Analysis | 11/09/2024 | 125230010,125231000,125230051,125230050,125230250 |
A0424351 | Certificate of Analysis | 07/12/2023 | 125230010,125231000,125230051,125230050,125230250 |
A0456979 | Certificate of Analysis | 18/10/2023 | 125230010,125231000,125230051,125230050,125230250 |
A0449913 | Certificate of Analysis | 01/02/2023 | |
A0402810 | Certificate of Analysis | 15/12/2022 | 125230010,125231000,125230051,125230050,125230250 |
Safety and Handling

- Maleic acid
- Warning
- Acute toxicity Category 4
- Skin corrosion/irritation Category 2
- Serious eye damage/eye irritation Category 2
- Skin sensitiser Category 1
- Specific target organ toxicity Category 3
- H302-Harmful if swallowed.
- H315-Causes skin irritation.
- H317-May cause an allergic skin reaction.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
- P264-Wash face, hands and anyexposed skin thoroughly after handling.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P302+P352-IF ON SKIN: Wash with plenty of water/and soap.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
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