Maleic anhydride
SIAL/63200 - puriss., ≥99.0% (NT)
Synonym: 2,5-Furandione
CAS Number: 108-31-6
Empirical Formula (Hill Notation): C4H2O3
Molecular Weight: 98.06
EC Number: 203-571-6
MDL Number: MFCD00005518
Linear Formula: C4H2O3
Product Type: Chemical
| assay | ≥99.0% (NT) |
| autoignition temp. | 870 °F |
| bp | 200 °C (lit.) |
| expl. lim. | 7.1 % |
| form | flakes |
| powder or crystals | |
| grade | puriss. |
| InChI | 1S/C4H2O3/c5-3-1-2-4(6)7- |
| InChI key | FPYJFEHAWHCUMM-UHFFFAOYSA |
| mp | 51-56 °C (lit.) |
| 52-54 °C | |
| Quality Level | 200  |
| SMILES string | O=C1OC(=O)C=C1 |
| vapor density | 3.4 (vs air) |
| vapor pressure | 0.16 mmHg ( 20 °C) |
| Application: | Maleic anhydride has been used as a reference standard for the determination of the analyte in: • Workplace air samples by capillary gas chromatography combined with electron capture detection (GC-ECD). It may be used as a derivatization agent for fatty alcohol ethoxylates in: • Industrial mixtures, cleaning products and river and sea waters by high performance liquid chromatography (HPLC) coupled with ultraviolet-visible (UV-Vis) diode array detection (DAD). |
| General description: | Maleic anhydride is a dehydration product of maleic acid that is of considerable industrial importance. |
| Other Notes: | For the complete dissociation of enzymes into soluble subunits; For the reversible blocking of amino groups (lysine reagent); P.J.G. Butler, J.I. Harris, B.S. Hartley, R. Lebermann; For the maleylation of proteins |
| Symbol |    GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H302 - H314 - H317 - H334 - H372 |
| Precautionary statements | P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 22-34-42/43 |
| Safety Statements | 22-26-36/37/39-45 |
| RIDADR | UN 2215 8 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 217.4 °F |
| Flash Point(C) | 103 °C |
| Supplemental Hazard Statements | EUH071 |
| Purity | ≥99.0% (NT) |
| bp | 200 °C (lit.) |
| mp | 51-56 °C (lit.); 52-54 °C |
| UNSPSC | 12162002 |