110-16-7 - Names and IdentifiersNameMaleic acidSynonymsMaleic acidacidemaleiqueKyselina maleino
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| Name | Maleic acid |
| Synonyms | Maleic acid acidemaleique Kyselina maleinova (z)-butenedioicaci Cis-Butenedioic acid Butenedioic acid,(Z)- 2-Butenedioicacid(Z)- cis-2-Butenedioic acid (2Z)-but-2-enedioic acid (2E)-but-2-enedioic acid methylidenepropanedioic acid 1,2-ethylenedicarboxylicacid,(z) cis-Ethylene-1,2-dicar-boxylicacid 1,2-Ethylenedicarboxylic acid, (Z) |
| CAS | 110-16-7 |
| EINECS | 203-742-5 |
| InChI | InChI=1/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+ |
| InChIKey | VZCYOOQTPOCHFL-OWOJBTEDSA-N |
| Molecular Formula | C4H4O4 |
| Molarmassa | 116.07 |
| Täthet | 1.59 g/mL at 25 °C (lit.) |
| Melting Point | 130-135 °C (lit.) |
| Boling Point | 275°C |
| Blixtpunkt | 127 °C |
| Vattenlöslighet | 790 g/L (25 ºC) |
| Solubility | Soluble in water, ethanol and acetone, insoluble in benzene. |
| Vapor Presure | 0.001Pa at 20℃ |
| Utseende | Colorless crystal |
| Specific Gravity | 1.59 |
| Färg | Vit |
| Merck | 14,5703 |
| BRN | 605762 |
| pKa | 1.83(at 25℃) |
| PH | 3.05(1 mM solution);2.21(10 mM solution);1.54(100 mM solution); |
| Lagringstillstånd | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, bases. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.5260 (estimate) |
| MDL | MFCD00063177 |
| Physical and Chemical Properties | Monoclinic colorless crystal, astringent. relative density (water = 1) 1.59(20 ℃) relative vapor density (Air = 1) 4.0 |
| Use | Preparation of pesticide marathon, up to the net of pine, fumaric acid, unsaturated polyester resin, dyeing auxiliaries and oil preservatives, can also be used for synthetic resin and pesticides. |
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S37 - Wear suitable gloves. S28A - S46 - If swallowed, seek medical advice immediately and show this container or label. S24 - Avoid contact with skin. |
| UN IDs | 3261 |
| WGK Germany | 1 |
| RTECS | OM9625000 |
| TSCA | Yes |
| HS Code | 29173990 |
| Hazard Class | 8 |
| Packing Group | III |
| Raw Materials | Benzene |
| Downstream Products | Fumaric acid DL-Malic acid Timolol Enalapril trimebutine maleate 2-Phosphonobutane-1,2,4-tricarboxylic acid |
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