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dipotassium phthalate

Also known as: DI-POTASSIUM PHTHALATE, DIPOTASSIUM PHTHALATE, PHTHALIC ACID, DIPOTASSIUM SALT, POTASSIUM PHTHALATE, Phthalic acid dipotassium salt, dipotassium 1,2-benzenedicarboxylate, 1,2-Benzenedicarboxylicacid, dipotassium salt, potassium o-phthalate, di-Potassium phthalate for synthesis

dipotassium phthalate (CAS 4409-98-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4K2O4 and a molecular weight of 242.31200 g/mol. Key properties include a melting point of 230ºC, a boiling point of 378.3ºC at 760mmHg and a density of 1.451g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4409-98-7
Jingsj CID
J-11969-7
Molecular Formula
C8H4K2O4
Molecular Weight
242.31200 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point230ºC
Boiling Point378.3ºC at 760mmHg
Density1.451g/cm3
Exact Mass241.93800
PSA80.26000

Customs & Trade Information

HS Code2917399090
Summary2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of dipotassium phthalate?

The CAS number of dipotassium phthalate is 4409-98-7.

What are the molecular formula and molecular weight of dipotassium phthalate?

dipotassium phthalate has molecular formula C8H4K2O4 and molecular weight 242.31200 g/mol.

What are the upstream and downstream products of dipotassium phthalate?

For dipotassium phthalate, Downstream Products: N-(3-Hydroxypropyl)phthalimide.

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

Last updated:

How to cite: Jingsj. "dipotassium phthalate (CAS 4409-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11969-7 (accessed 2026-11-09).

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