(E)-4-Styrylbenzaldehyde

反-4-甲酰基二苯乙烯

Also known as: 4-FORMYL-TRANS-STILBENE, trans-4-Stilbenecarboxaldehyde, 4-[(E)-2-phenylethenyl]benzaldehyde, trans-4-Stilbenecarboxaldehyde 97%, 4-Formyl-trans-stilbene 98+%, MFCD00011580

(E)-4-Styrylbenzaldehyde (CAS 40200-69-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H12O and a molecular weight of 208.255 g/mol. It is also known as 4-FORMYL-TRANS-STILBENE, trans-4-Stilbenecarboxaldehyde and 4-[(E)-2-phenylethenyl]benzaldehyde. Key properties include a melting point of 112-114 â„ƒ(lit.), a boiling point of 361.9±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 202.9±8.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40200-69-9
Jingsj CID: J-45806-3
Molecular Formula: C₁₅H₁₂O
Chinese Name: 反-4-甲酰基二苯乙烯
Molecular Weight: 208.255 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	112-114 â„ƒ(lit.)
Boiling Point	361.9±22.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	202.9±8.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (E)-4-Styrylbenzaldehyde?

The CAS number of (E)-4-Styrylbenzaldehyde is 40200-69-9.

What are the molecular formula and molecular weight of (E)-4-Styrylbenzaldehyde?

(E)-4-Styrylbenzaldehyde has molecular formula C15H12O and molecular weight 208.255 g/mol.

Is (E)-4-Styrylbenzaldehyde hazardous?

(E)-4-Styrylbenzaldehyde has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(E)-4-Styrylbenzaldehyde (CAS 40200-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45806-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.