Synonyms:

(2E)-4-Ethoxy-4-oxo-2-butenoic acid;2-Butenedioic acid (E)-, monoethyl ester;(2E)-2-Butenedioic Acid Monoethyl Ester;FuMaric Acid Ethyl Ester;Monoethyl FuMerate;Monoethyl trans-2-Butenedioate;Ethyl Hydrogen Fumarate
Fumaric Acid Monoethyl Ester;Monoethyl FuMarate (Quetiapine IMpurity R)

Canonical SMILES: CCOC(=O)C=CC(=O)O

HS Code: 29171900

Density:1.1109

Boiling Point:147 °C16 mmHg(lit.)

Refractive Index:1.4500(estimate)

Melting Point: 66-68 °C(lit.)

Storage: Refrigerator

PKA: 3.45±0.10(Predicted)

Appearance: CrystallinePowder

Hazard Codes: Xi

Risk Statements:  36/37/38

Safety Statements: 26-36

WGK Germany: 1

HazardClass: IRRITANT