505-48-6
Suberic acid
CAS: 505-48-6
Molecular Formula: C8H14O4
505-48-6 - Names and Identifiers
| Name | Suberic acid |
| Synonyms | 142-144℃ Cork Acid KORK ACID Suberic aci octanedioate Suberic acid STRYCHNINE (P) octandioic acid OCTANEDIOC ACID Octanedioic acid RARECHEM AL BO 0184 1,8-Octanedioic Acid DICARBOXYLIC ACID C8 1,6-Hexanedicarboxylic Acid HEXANE-1,6-DICARBOXYLIC ACID Hexane-1,6-dicarboxylic acid, Suberic acid Cork Acid1,6-Hexanedicarboxylic AcidKork AcidOctanedioic Acid |
| CAS | 505-48-6 |
| EINECS | 208-010-9 |
| InChI | InChI=1/C8H14O4/c9-7(10)5-3-1-2-4-6-8(11)12/h1-6H2,(H,9,10)(H,11,12)/p-2 |
| InChIKey | TYFQFVWCELRYAO-UHFFFAOYSA-N |
505-48-6 - Physico-chemical Properties
| Molecular Formula | C8H14O4 |
| Molar Mass | 174.19 |
| Density | 1.3010 (rough estimate) |
| Melting Point | 140-144°C(lit.) |
| Boling Point | 230°C15mm Hg(lit.) |
| Flash Point | 203 °C |
| Water Solubility | 0.6 g/L (20 ºC) |
| Solubility | Soluble in water (1.6 mg/ml at 20 °C), DMSO, methanol, and ether (very slightly). Inso |
| Vapor Presure | 0Pa at 22.85℃ |
| Appearance | White-like crystal |
| Color | White to cream |
| Merck | 14,8862 |
| BRN | 1210161 |
| pKa | 4.52(at 25℃) |
| PH | 3.79(1 mM solution);3.27(10 mM solution);2.76(100 mM solution); |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, reducing agents, bases. |
| Refractive Index | 1.4370 (estimate) |
| MDL | MFCD00004428 |
| Physical and Chemical Properties | Melting point 140-144°C(lit.) boiling point 230 ° C 15mm Hg(lit.) flash point 203°C water solubility 0.6g/L (20°C) Merck 14,8862 BRN 1210161 |
| Use | It mainly reacts with diols and diamine to produce polyester and polyamide. Used for the preparation of special high temperature resistant polymers. It is also used in organic synthesis. It is also used as a pharmaceutical intermediate. |
505-48-6 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36 - Irritating to the eyes R36/37/38 - 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. S39 - Wear eye / face protection. S36 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 29171990 |
505-48-6 - Reference Information
| LogP | 0.59 at 25℃ and pH7.08 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| biological activity | Octanedioic acid (Suberic acid) is a dicarboxylic acid used in drug synthesis and plastic manufacturing. |
| use | mainly reacts with diols and diamine to produce polyester and polyamide. Used for the preparation of special high temperature resistant polymers. It is also used in organic synthesis. It is also used as a pharmaceutical intermediate. |
| production method | 1. tobacco: OR,44;BU,26; synthesis: made from oxidized castor oil or castor oleic acid or cyclooctane. 2. Preparation method: In a reaction bottle equipped with a stirrer and a reflux condenser, 136g(1.0mol) of octononitrile (2) and 1800mL of 50% (mass fraction) sulfuric acid are added, and heated and refluxed for 10h under stirring. Solids are precipitated after cooling. Filtration, washing with water, and then recrystallization with acetone to obtain (1)156g,mp141~142 ℃, 90% yield. [1] |
Last Update：2024-04-09 20:52:54
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