623-91-6
Diethyl fumarate
CAS: 623-91-6
Molecular Formula: C8H12O4
623-91-6 - Names and Identifiers
| Name | Diethyl fumarate |
| Synonyms | Diethyl fuMara Diethyl fuMarat Diethyl fumarate DIETHYL FUMARATE diethyl furmarate DIETHYL TRANS-BUTENEDIOATE Fumaric acid diethyl ester FuMaric acidethyl ester two diethyl (2E)-but-2-enedioate Diethyl (2E)-but-2-ene-1,4-dioate trans-2-butenedioicaciddiethylester Diethyl fumarate, (Fumaric acid diethyl ester) trans-2-Butenedioic acid diethyl ester~Fumaric acid diethyl ester |
| CAS | 623-91-6 |
| EINECS | 210-819-7 |
| InChI | InChI=1/C8H12O4/c1-3-11-7(9)5-6-8(10)12-4-2/h5-6H,3-4H2,1-2H3/b6-5+ |
| InChIKey | IEPRKVQEAMIZSS-AATRIKPKSA-N |
623-91-6 - Physico-chemical Properties
| Molecular Formula | C8H12O4 |
| Molar Mass | 172.18 |
| Density | 1.052 g/mL at 25 °C (lit.) |
| Melting Point | 1-2 °C (lit.) |
| Boling Point | 218-219 °C (lit.) |
| Flash Point | 197°F |
| Water Solubility | immiscible |
| Solubility | 3.1g/l |
| Vapor Presure | 0.159mmHg at 25°C |
| Appearance | Transparent liquid |
| Color | Clear colorless to slightly yellow |
| BRN | 775347 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents, acids, bases, reducing agents. |
| Refractive Index | n20/D 1.44(lit.) |
| MDL | MFCD00064455 |
| Physical and Chemical Properties | Colorless liquid. Melting point 1-2 ℃, boiling point 214 ℃, relative density 1.0452(20/4 ℃), refractive index 1.4412, flash point 91 ℃. Soluble in ethanol, ether, acetone, chloroform, water-soluble. |
| Use | Organic synthesis. Solvent. |
623-91-6 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 3 |
| RTECS | EM5950000 |
| TSCA | Yes |
| HS Code | 29171990 |
623-91-6 - Introduction
Soluble in ethanol and ether, slightly soluble in water.
Last Update：2022-10-16 17:27:20
623-91-6 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | Diethyl fucate is a breakdown product of Malathion 9, an insecticide. Diethyfumarate has skin irritation, can cause skin non-immune urticaria. |
| Use | is used as an intermediate and solvent in organic synthesis. organic synthesis. Solvent. |
| production method | is obtained by esterification of fumaric acid with ethanol under sulfuric acid catalysis. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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