4-(tert-butoxy)benzaldehyde

4-叔丁氧基苯甲醛

Also known as: 4-(tert-Butyloxy)benzaldehyde, p-tert-butoxybenzaldehyde, 1-tert-butoxy-4-formylbenzene, 4-tert-Butoxybenzaldehyde

4-(tert-butoxy)benzaldehyde (CAS 57699-45-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H14O2 and a molecular weight of 178.22800 g/mol. It is also known as 4-(tert-Butyloxy)benzaldehyde, p-tert-butoxybenzaldehyde and 1-tert-butoxy-4-formylbenzene. Key properties include a boiling point of 274.1ºC at 760 mmHg ,87-92ºC 1,5mm, a density of 1.023 and a flash point of 114ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 57699-45-3
Jingsj CID: J-1162740-1
Molecular Formula: C₁₁H₁₄O₂
Chinese Name: 4-叔丁氧基苯甲醛
Molecular Weight: 178.22800 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	274.1ºC at 760 mmHg ,87-92ºC 1,5mm
Density	1.023
Flash Point	114ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(tert-butoxy)benzaldehyde?

The CAS number of 4-(tert-butoxy)benzaldehyde is 57699-45-3.

What are the molecular formula and molecular weight of 4-(tert-butoxy)benzaldehyde?

4-(tert-butoxy)benzaldehyde has molecular formula C11H14O2 and molecular weight 178.22800 g/mol.

Is 4-(tert-butoxy)benzaldehyde hazardous?

4-(tert-butoxy)benzaldehyde 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. "4-(tert-butoxy)benzaldehyde (CAS 57699-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1162740-1 (accessed 2026-10-25).

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