butylbutanedioate
dibutyl succinate
CAS: 141-03-7
Molecular Formula: C12H22O4
butylbutanedioate - Names and Identifiers
butylbutanedioate - Physico-chemical Properties
| Molecular Formula | C12H22O4 |
| Molar Mass | 230.3 |
| Density | 0,98 g/cm3 |
| Melting Point | -29℃ |
| Boling Point | 274 °C |
| Flash Point | 144 °C |
| Water Solubility | 229.9mg/L(temperature not stated) |
| Vapor Presure | 0.00546mmHg at 25°C |
| Appearance | Transparent liquid |
| Color | Colorless to Almost colorless |
| Storage Condition | Room Temprature |
| Refractive Index | nD20 1.4299 |
| MDL | MFCD00040495 |
| Physical and Chemical Properties | Character: colorless liquid. melting point -29 ℃ boiling point 120 ℃ relative density 0.977g/cm3 solubility insoluble in water. Soluble in ethanol, ether. |
| Use | Mainly used as insect repellent and organic synthesis reagent |
butylbutanedioate - Risk and Safety
| Hazard Symbols | N - Dangerous for the environment |
| Risk Codes | 51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3082 |
| WGK Germany | 2 |
| RTECS | WM6250000 |
| HS Code | 29171900 |
butylbutanedioate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | dibutyl succinate is commonly used as industrial plasticizer, insect (such as cockroaches and ants) repellent, organic synthesis intermediate, food additive and gas chromatography stationary liquid, etc. |
| Preparation | Crystalline ferric chloride is a good catalyst for the synthesis of dibutyl succinate. Its only disadvantage is that it is easy to absorb moisture and dissolve in the reaction system. Therefore, a certain amount of iron waste liquid is produced during the post-treatment process, which brings certain trouble to the production. When looking for iron reagents, it was found that iron ammonium alum (ammonium ferric sulfate dodecahydrate NH4Fe(SO4)· 12H2O) is a good catalyst. It not only has the advantages of crystalline ferric chloride, but also is very stable and not easy to absorb moisture. More importantly, it forms a loose spherical insoluble solid after the reaction, which is easy to separate, more convenient to operate, does not corrode the reaction equipment, and the reaction liquid is very light in color, it is a cheap and practical catalyst that uses iron ammonium alum to catalyze the synthesis of dibutyl succinate. Its favorable conditions are: 0.05mol of succinic acid, 0.14mol of n-butanol, 0.7g of iron ammonium alum, 5mL of toluene as water-carrying agent, reflux water separation for 2 hours, and the yield of dibutyl succinate is greater than 98%. |
| Use | Mainly used as insect repellent and organic synthesis reagent |
| category | pesticide |
| toxicity classification | low toxicity |
| acute toxicity | oral-rat LD50: 8000 mg/kg |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | dry powder, foam, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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