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3,4,5-Trimethoxybenzaldehyde dimethyl acetal

Also known as: 5-(Dimethoxymethyl)-1,2,3-trimethoxybenzene, 1,2,3-Trimethoxy-5-(dimethoxymethyl)benzene, Benzene, 5-(dimethoxymethyl)-1,2,3-trimethoxy-, MFCD01321359

3,4,5-Trimethoxybenzaldehyde dimethyl acetal (CAS 59276-37-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H18O5 and a molecular weight of 242.26800 g/mol. Key properties include a boiling point of 292.3ºC at 760 mmHg, a density of 1.147 g/mL at 25ºC(lit.) and a flash point of 111.1ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59276-37-8
Jingsj CID
J-1517984-7
Molecular Formula
C12H18O5
Molecular Weight
242.26800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point292.3ºC at 760 mmHg
Density1.147 g/mL at 25ºC(lit.)
Flash Point111.1ºC
Exact Mass242.11500
PSA46.15000
LogP2.00380
Refractive Indexn20/D 1.514(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 3,4,5-Trimethoxybenzaldehyde dimethyl acetal?

The CAS number of 3,4,5-Trimethoxybenzaldehyde dimethyl acetal is 59276-37-8.

What are the molecular formula and molecular weight of 3,4,5-Trimethoxybenzaldehyde dimethyl acetal?

3,4,5-Trimethoxybenzaldehyde dimethyl acetal has molecular formula C12H18O5 and molecular weight 242.26800 g/mol.

Is 3,4,5-Trimethoxybenzaldehyde dimethyl acetal hazardous?

3,4,5-Trimethoxybenzaldehyde dimethyl acetal has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3,4,5-Trimethoxybenzaldehyde dimethyl acetal?

For 3,4,5-Trimethoxybenzaldehyde dimethyl acetal, Upstream Products: 3,4,5-Trimethoxybenzaldehyde, Trimethyl orthoformate, Methanol; Downstream Products: 1-(3,5-Dimethoxyphenyl)ethanol, 3,5-Dimethoxytoluene, 3,4,5-Trimethoxybenzaldehyde.

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

Last updated:

How to cite: Jingsj. "3,4,5-Trimethoxybenzaldehyde dimethyl acetal (CAS 59276-37-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517984-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.