Diethyl fumarate (CAS 623-91-6) — formula C8H12O4, molecular weight 172.18; category organic chemicals.
Diethyl fumarate (CAS 623-91-6) is a chemical raw material in the organic chemicals category. Its molecular formula C8H12O4 comprises 8 C, 12 H, 4 O atoms. Its molecular weight is about 172.18. Reported physicochemical data: melting point around 0.8 °C, boiling point around 214 °C, LogP about 0.9. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 623-91-6 |
|---|---|
| Molecular Formula | C8H12O4 |
| Molecular Weight | 172.18 |
| Melting Point | 0.8 °C |
| Boiling Point | 214 °C |
| LogP | 0.9 |
| Applications | co-monomer to make polymers, COMONOMER FOR POLYMERS, WITH STYRENE & VINYL CHLORIDE, As a chemical modifier, It is used as a ... comonomer for production of polystyrene, Methods of Manufacturing: ESTERIFICATION OF ETHYL ALCOHOL WITH FUMARIC ACID |
| Category | Organic Chemicals |
Documented applications: co-monomer to make polymers, COMONOMER FOR POLYMERS, WITH STYRENE & VINYL CHLORIDE, As a chemical modifier, It is used as a ... comonomer for production of polystyrene, Methods of Manufacturing: ESTERIFICATION OF ETHYL ALCOHOL WITH FUMARIC ACID.
Diethyl fumarate is a carbon-based organic compound with CAS registry number 623-91-6 and molecular formula C8H12O4 (molecular weight 172.18), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 623-91-6
Its molecular formula C8H12O4 comprises 8 C, 12 H, 4 O atoms.
Also known as: Diethyl fumarate · 富马酸二乙酯
Category: organic chemicals
The CAS registry number of Diethyl fumarate is 623-91-6.
Molecular formula C8H12O4, molecular weight 172.18.
It is also registered under: Diethyl fumarate, 富马酸二乙酯.
Recorded applications: co-monomer to make polymers, COMONOMER FOR POLYMERS, WITH STYRENE & VINYL CHLORIDE, As a chemical modifier, It is used as a ... comonomer for production of polystyrene, Methods of Manufacturing: ESTERIFICATION OF ETHYL ALCOHOL WITH FUMARIC ACID.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Diethyl fumarate (CAS 623-91-6), compiled from public chemistry databases.
| CAS Registry Number | 623-91-6 |
|---|---|
| PubChem CID | 638144 |
| Molecular formula | C8H12O4 |
| IUPAC name | diethyl (E)-but-2-enedioate |
| UNII (FDA) | 5WBU5A3E8A |
| Molecular Weight | 172.18 |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 6 |
| Exact Mass | 172.07355886 |
| Monoisotopic Mass | 172.07355886 |
| Topological Polar Surface Area | 52.6 |
| Heavy Atom Count | 12 |
| Boiling Point | 214 °C |
|---|---|
| Melting Point | 0.8 °C |
| Flash Point | 104 °C Closed Cup |
| Density | 1.0452 g/cu cm at 20 °C |
| Vapor Density | 5.93 (Air = 1) |
| Vapor Pressure | 0.17 [mmHg] |
| Autoignition Temperature | 220 °F (104 °C) |
Diethyl fumarate; 623-91-6; Fumaric acid, diethyl ester; 2-Butenedioic acid (E)-, diethyl ester; Diethylester kyseliny fumarove; 2-Butenedioic acid (2E)-, diethyl ester; 2-Butenedioic acid, diethyl ester, (E)-; trans-2-Butenedioic acid diethyl ester; 5WBU5A3E8A; NSC-20954; CHEBI:87388; RefChem:587225; 210-819-7; 1,4-diethyl (2Z)-but-2-enedioate; Anti-Psoriaticum; diethyl (E)-but-2-enedioate
| Regulatory & Food Contact | EU Flavoring substances Flavoring Agents |
|---|---|
| GHS notification summary | 1.7% (6 / 351) |
| GHS notification summary | 1.7% (6 / 351) |
|---|---|
| Reported hazard statements | H302 (98%), H315 (15.4%), H317 (11.7%), H335 (15.7%), H371 (30.2%), H373 (35.9%), H401 |
This chemical does not meet GHS hazard criteria for 1.7% (6 of 351) of reports.
H302 (98%): Harmful if swallowed [Warning Acute toxicity, oral]
Diethyl fumarate · CAS 623-91-6 · C8H12O4. UNII 5WBU5A3E8A. Boiling Point: 214 °C; Melting Point: 0.8 °C; Flash Point: 104 °C Closed Cup.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 富马酸二乙酯