(e,e)-4-hexadienedioicacid
trans,trans-Muconic acid
CAS: 3588-17-8
Molecular Formula: C6H6O4
(e,e)-4-hexadienedioicacid - Names and Identifiers
| Name | trans,trans-Muconic acid |
| Synonyms | Muconicacid MUCONIC ACID trans,trans-Muconic Acid trans,trans-Muconic acid (e,e)-4-hexadienedioicacid (2E,4E)-Hexadienedioic acid (2E,4E)-hexa-2,4-dienedioate (2E,4E)-2,4-Hexadienedioic acid 2,4-Hexadienedioic acid, (2E,4E)- trans,trans-2,4-Hexadienedioic acid trans,trans-1,3-Butadiene-1,4-dicarboxylic acid trans, trans-2,4-Hexadienedioic acid for synthesis |
| CAS | 3588-17-8 |
| EINECS | 222-724-8 |
| InChI | InChI=1/C6H6O4/c7-5(8)3-1-2-4-6(9)10/h1-4H,(H,7,8)(H,9,10)/p-2/b3-1+,4-2+ |
(e,e)-4-hexadienedioicacid - Physico-chemical Properties
| Molecular Formula | C6H6O4 |
| Molar Mass | 142.11 |
| Density | 1.1712 (rough estimate) |
| Melting Point | 290°C (dec.)(lit.) |
| Boling Point | 320°C(lit.) |
| Flash Point | 176.9°C |
| Water Solubility | insoluble |
| Solubility | Soluble in dimethyl sulfoxide and methanol. |
| Vapor Presure | 1.1E-05mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | Beige |
| Merck | 14,6299 |
| BRN | 1722248 |
| pKa | 3.77±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4434 (estimate) |
| Physical and Chemical Properties | Melting Point 290°C (dec.) boiling point 320°C water-soluble insoluble |
(e,e)-4-hexadienedioicacid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | MM2235070 |
| HS Code | 29171900 |
(e,e)-4-hexadienedioicacid - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| biological activity | trans-trans-Muconic acid is a metabolite of benzene in the human body. |
| use | for organic synthesis. |
| production method | dissolve 3kg of potassium hydroxide in 5L of methanol, stir, and add 1130g of α,δ-dibromo diethyl ester heated to 100 ℃ dropwise. Adjust the feeding speed to make the reactants flow back more intensely. After feeding, continue heating and stirring for 2 hours. Leave overnight at room temperature and filter out potassium 2, 4-hexadienodiate and potassium bromide. Dissolve the filter cake in 8L hot water, add 30g activated carbon to boil and filter. After the filtrate is cooled, it is acidified with concentrated hydrochloric acid. The product was filtered out, washed and dried to obtain 165-195g2, 4-hexadiendioic acid. Yield 37%-43%. |
Last Update：2024-04-09 15:16:50
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