Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride
Also known as: (3,4,5-trimethoxybenzoyl) 3,4,5-trimethoxybenzoate, 3,3',4,4',5,5'-hexamethoxybenzoic anhydride, 3,4,5-Trimethoxybenzoic acid anhydride, 3,4,5-Trimethoxybenzoic anhydride, Bis(3,4,5-trimethoxybenzoic)anhydride, NSC 40557, EINECS 217-010-8
Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride (CAS 1719-88-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H22O9 and a molecular weight of 406.38300 g/mol. Key properties include a melting point of 155ºC, a boiling point of 573.5ºC at 760mmHg, a density of 1.228g/cm3 and a flash point of 249.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1719-88-6
- Jingsj CID
- J-39040-9
- Molecular Formula
- C20H22O9
- Molecular Weight
- 406.38300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155ºC |
|---|---|
| Boiling Point | 573.5ºC at 760mmHg |
| Density | 1.228g/cm3 |
| Flash Point | 249.9ºC |
| Exact Mass | 406.12600 |
| PSA | 98.75000 |
| LogP | 2.73540 |
| Vapor Pressure | 3.69E-13mmHg at 25°C |
| Refractive Index | 1.535 |
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 Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride?
The CAS number of Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride is 1719-88-6.
What are the molecular formula and molecular weight of Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride?
Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride has molecular formula C20H22O9 and molecular weight 406.38300 g/mol.
What are the upstream and downstream products of Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride?
For Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride, Upstream Products: 3,4,5-Trimethoxybenzoic acid, 3,4,5-Trimethoxybenzoyl chloride, Ethylene glycol; Downstream Products: Robinetin, 3,5,7,8,3',4',5'-Heptamethoxyflavone, 5,7,3',4',5'-Pentamethoxyflavone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride (CAS 1719-88-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39040-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.