2-Nitrophenylpropiolic acid

Also known as: 2-Nitrophenylpropiolic acid, 3-(2-Nitrophenyl)propiolic acid, 3-(2-Nitrophenyl)-2-propynoic acid, o-Nitrophenylpropiolic acid, 2-Propynoic acid, 3-(2-nitrophenyl)-

2-Nitrophenylpropiolic acid (CAS 530-85-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H5NO4 and a molecular weight of 191.14000 g/mol. Key properties include a boiling point of 403.8ºC at 760mmHg, a density of 1.47g/cm3 and a flash point of 182.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 530-85-8
Jingsj CID: J-1390228-8
Molecular Formula: C₉H₅NO₄
Molecular Weight: 191.14000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	403.8ºC at 760mmHg
Density	1.47g/cm3
Flash Point	182.5ºC
Exact Mass	191.02200
PSA	83.12000
LogP	1.55410
Refractive Index	1.635

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 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 2-Nitrophenylpropiolic acid?

The CAS number of 2-Nitrophenylpropiolic acid is 530-85-8.

What are the molecular formula and molecular weight of 2-Nitrophenylpropiolic acid?

2-Nitrophenylpropiolic acid has molecular formula C9H5NO4 and molecular weight 191.14000 g/mol.

What are the upstream and downstream products of 2-Nitrophenylpropiolic acid?

For 2-Nitrophenylpropiolic acid, Upstream Products: 2-Nitrocinnamic acid, Phenylpropiolic acid; Downstream Products: Indoline, Indoxyl, Cinnolin-4(1H)-one.

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. "2-Nitrophenylpropiolic acid (CAS 530-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390228-8 (accessed 2026-11-09).

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