Maleic acid
SIAL/92816 - Standard for quantitative NMR, TraceCERT®
Synonym: cis-Butenedioic acid; Toxilic acid
Empirical Formula (Hill Notation): C4H4O4
Molecular Weight: 116.07
EC Number: 203-742-5
MDL Number: MFCD00063177
Linear Formula: HO2CCH=CHCO2H
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 92816-1G
| application(s) | cleaning products cosmetics flavors and fragrances food and beverages personal care |
| density | 1.59 g/mL at 25 °C (lit.) |
| description | qNMR Standard for D2O and organic solvents (6.2 ppm) |
| format | neat |
| grade | TraceCERT® |
| certified reference material | |
| Standard for quantitative NMR | |
| InChI | 1S/C4H4O4/c5-3(6)1-2-4(7) |
| InChI key | VZCYOOQTPOCHFL-UPHRSURJSA |
| mp | 130-135 °C (lit.) |
| Quality Level | 300  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | OC(=O)C=C/C(O)=O |
| technique(s) | gas chromatography (GC): suitable |
| qNMR: suitable |
| Application: | The certified reference material (CRM) is intended to be used as a standard for quantitative 1H-NMR measurements. |
| Features and Benefits: | • Produced and certified under ISO/IEC 17025 and ISO 17034 accreditation • Traceable to NIST PS1 (Benzoic acid) • Accompanied with a comprehensive Certificate of Analysis (CoA) (up to four pages), as per ISO Guide 31, with data on stability, density, homogeneity, the accuracy of concentration, uncertainty, and traceability • Gravimetrically prepared using high-quality qNMR-characterized starting materials and qualified precision balances to ensure minimal uncertainty • Rigorously tested through real-time stability studies to ensure accuracy and shelf life • Available in a solid neat format in a brown glass bottle |
| General description: | This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ. Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate. Download your certificate at: http://www.sigma-aldrich. Maleic acid is a butenedioic acid having a double bond in cis- (Z)-configuration. It is used in the industrial manufacturing of lubricant additives, unsaturated polyester resins, surface coatings, plasticizers, copolymers, and agricultural chemicals. |
| General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. |
| Legal Information: | TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | Chemcial Shift: 6.2 ppm (chemical shifts may slightly vary depending on the experimental conditions) Suitable NMR solvents: D2O, MeOD, DMSO-d6 |
| 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 |
| Hazard Codes | Xn |
| Risk Statements | 21/22-37/38-41-43 |
| Safety Statements | 24-26-28-36/37/39-46 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 1 |
| mp | 130-135 °C (lit.) |
| Density | 1.59 g/mL at 25 °C (lit.) |
| UNSPSC | 41116107 |