3,4,5-Trimethoxybenzoyl chloride
Also known as: Trimethylgalloyl chloride, Tri-O-methylgalloyl chloride, 3,4,5-Trimethoxybenzoic acid chloride, Benzoyl chloride, 3,4,5-trimethoxy-, 3,4,5-trimethoxyphenyl carboxylic chloride, 3,4,5-tri-(methoxy)-benzoyl chloride, 3,4,5-trimethoxybenzenecarbonyl chloride, AKOS BBS-00003922, MFCD00000675, EINECS 224-851-4, chlorure de l'acide 3,4,5-trimethoxybenzoique
3,4,5-Trimethoxybenzoyl chloride (CAS 4521-61-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H11ClO4 and a molecular weight of 230.645 g/mol. Key properties include a melting point of 81-84 °C(lit.), a boiling point of 314.7±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 141.9±25.5 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4521-61-3
- Jingsj CID
- J-12558-6
- Molecular Formula
- C10H11ClO4
- Molecular Weight
- 230.645 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 81-84 °C(lit.) |
|---|---|
| Boiling Point | 314.7±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 141.9±25.5 °C |
| Exact Mass | 230.034592 |
| PSA | 44.76000 |
| LogP | 2.40 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.514 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,4,5-Trimethoxybenzoyl chloride?
The CAS number of 3,4,5-Trimethoxybenzoyl chloride is 4521-61-3.
What are the molecular formula and molecular weight of 3,4,5-Trimethoxybenzoyl chloride?
3,4,5-Trimethoxybenzoyl chloride has molecular formula C10H11ClO4 and molecular weight 230.645 g/mol.
Is 3,4,5-Trimethoxybenzoyl chloride hazardous?
3,4,5-Trimethoxybenzoyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3,4,5-Trimethoxybenzoyl chloride?
For 3,4,5-Trimethoxybenzoyl chloride, Upstream Products: 3,4,5-Trimethoxybenzoic acid, Methyl 3,4,5-trimethoxybenzoate, Methyl 4-hydroxy-3,5-dimethoxybenzoate; Downstream Products: 3,4,5-Trimethoxybenzohydrazide, (Cyanomethyl)(triphenyl)phosphonium chloride.
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-Trimethoxybenzoyl chloride (CAS 4521-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12558-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.