Maleic acid
USP/1374500 - United States Pharmacopeia (USP) Reference Standard
Synonym: cis-Butenedioic acid; Toxilic acid
CAS Number: 110-16-7
Empirical Formula (Hill Notation): C4H4O4
Molecular Weight: 116.07
MDL Number: MFCD00063177
Linear Formula: HO2CCH=CHCO2H
Product Type: Chemical
| API family | maleic acid |
| application(s) | pharmaceutical (small molecule) |
| density | 1.59 g/mL at 25 °C (lit.) |
| form | crystalline powder |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C4H4O4/c5-3(6)1-2-4(7) |
| InChI key | VZCYOOQTPOCHFL-UPHRSURJSA |
| manufacturer/tradename | USP |
| mp | 130-135 °C (lit.) |
| SMILES string | OC(=O)C=C/C(O)=O |
| solubility | 1-propanol: freely soluble |
| alcohol: freely soluble | |
| chloroform: insoluble | |
| methanol: freely soluble | |
| water: 788 g/L at 20 °C | |
| storage temp. | 2-8°C |
| Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia   . |
| Other Notes: | Sales restrictions may apply. |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 + H312 - H315 - H317 - H318 - H335 |
| Precautionary statements | P261 - P264 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 130-135 °C (lit.) |
| Density | 1.59 g/mL at 25 °C (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 41116107 |