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3-Methylbenzoic anhydride

Also known as: m-Toluic anhydride, 3-Methylbenzene-1-carboxylic anhydride, 3-Methylbenzoic anhydride, 97%, (3-methylbenzoyl) 3-methylbenzoate, 3-Methyl-benzoesaeure-anhydrid, 3-methyl-benzoic acid-anhydride, Benzoic acid, 3-methyl-, 1,1'-anhydride, m-methylbenzoic anhydride, 3-methylbenzoyl 3-methylbenzoate

3-Methylbenzoic anhydride (CAS 21436-44-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H14O3 and a molecular weight of 254.28100 g/mol. Key properties include a boiling point of 414.4ºC at 760mmHg, a density of 1.159g/cm3 and a flash point of 197.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21436-44-2
Jingsj CID
J-1497959-0
Molecular Formula
C16H14O3
Molecular Weight
254.28100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point414.4ºC at 760mmHg
Density1.159g/cm3
Flash Point197.7ºC
Exact Mass254.09400
PSA43.37000
LogP3.30060
Vapor Pressure4.48E-07mmHg at 25°C
Refractive Index1.576

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Methylbenzoic anhydride?

The CAS number of 3-Methylbenzoic anhydride is 21436-44-2.

What are the molecular formula and molecular weight of 3-Methylbenzoic anhydride?

3-Methylbenzoic anhydride has molecular formula C16H14O3 and molecular weight 254.28100 g/mol.

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-Methylbenzoic anhydride (CAS 21436-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497959-0 (accessed 2026-11-09).

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