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Para Red

对位红

Also known as: 1-(4-Nitrophenylazo)-2-naphthol, C.I. Pigment Red 1, Pigment Red 1, Fast Rose Red Lake, Para Red Toner, 1-[(4-Nitrophenyl)azo]-2-naphthalenol, 1-(p-Nitrophenylazo)-2-naphthol, C.I. 12070

Para Red (CAS 6410-10-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H11N3O3 and a molecular weight of 293.27700 g/mol. It is also known as 1-(4-Nitrophenylazo)-2-naphthol, C.I. Pigment Red 1 and Pigment Red 1. Key properties include a melting point of 248-252 °C, a boiling point of 489.5ºC at 760 mmHg, a density of 1.35g/cm3 and a flash point of 249.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6410-10-2
Jingsj CID
J-1990777-0
Molecular Formula
C16H11N3O3
Chinese Name
对位红
Molecular Weight
293.27700 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point248-252 °C
Boiling Point489.5ºC at 760 mmHg
Density1.35g/cm3
Flash Point249.8ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Para Red?

The CAS number of Para Red is 6410-10-2.

What are the molecular formula and molecular weight of Para Red?

Para Red has molecular formula C16H11N3O3 and molecular weight 293.27700 g/mol.

Is Para Red hazardous?

Para Red has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Para Red (CAS 6410-10-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990777-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.