1,4,5,8-Naphthalenetetracarboxylic acid

Also known as: 1,4,5,8-Naphthalenetetracarboxylic acid hydrate, 1,4,5,8-Naphthalenetetracarboxylic acid (contains monoanhydride), 1,4,5,8-Naphthalenetetracarbonic acid, 1,4,5,8-Tetracarboxynaphthalene, Naphthalene-1,4,5,8-tetracarboxylic acid, Naphthalin-1,4,5,8-tetracarbonsaeure, Naphthaline-1,4,5,8-tetracarbonic acid, Naphthalenetetracarboxylic acid (1,4,5,8)

1,4,5,8-Naphthalenetetracarboxylic acid (CAS 128-97-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8O8 and a molecular weight of 304.208 g/mol. Key properties include a boiling point of 737.9±60.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 414.0±29.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 128-97-2
Jingsj CID: J-48168-5
Molecular Formula: C₁₄H₈O₈
Molecular Weight: 304.208 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	737.9±60.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	414.0±29.4 °C
Exact Mass	304.021912
PSA	149.20000
LogP	1.37
Vapor Pressure	0.0±2.6 mmHg at 25°C
Refractive Index	1.765

Customs & Trade Information

HS Code	2917399090
Summary	2917399090 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 1,4,5,8-Naphthalenetetracarboxylic acid?

The CAS number of 1,4,5,8-Naphthalenetetracarboxylic acid is 128-97-2.

What are the molecular formula and molecular weight of 1,4,5,8-Naphthalenetetracarboxylic acid?

1,4,5,8-Naphthalenetetracarboxylic acid has molecular formula C14H8O8 and molecular weight 304.208 g/mol.

What are the upstream and downstream products of 1,4,5,8-Naphthalenetetracarboxylic acid?

For 1,4,5,8-Naphthalenetetracarboxylic acid, Upstream Products: 3,4-Diaminotoluene, 3-Methoxypropylamine, Pyrene; Downstream Products: 1,4,5,8-Naphthalenetetracarboxylic acid 1,8-monoanhydride, 1,4,5,8-Naphthalenetetracarboxylic dianhydride, Tetramethyl 1,4,5,8-naphthalenetetracarboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,4,5,8-Naphthalenetetracarboxylic acid (CAS 128-97-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48168-5 (accessed 2026-11-09).

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