Pigment Red 146

颜料红146

Also known as: PR-146, C.I. Pigment Red 146, P.R.146, Naphthol Carmine FBB, Permanent Carmine FBB, Pigment Carmine Red, Fast Red FBB, N-(4-Chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-((2-methoxy-5-(phenylcarbamoyl)phenyl)diazenyl)-2-naphthamide

Pigment Red 146 (CAS 5280-68-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C33H27ClN4O6 and a molecular weight of 611.04400 g/mol. It is also known as PR-146, C.I. Pigment Red 146 and P.R.146. Key properties include a boiling point of 719.5 °C at 760 mmHg, a density of 1.33 g/cm3 and a flash point of 389 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5280-68-2
Jingsj CID
J-1136905-5
Molecular Formula
C33H27ClN4O6
Chinese Name
颜料红146
Molecular Weight
611.04400 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point719.5 °C at 760 mmHg
Density1.33 g/cm3
Flash Point389 °C

Frequently Asked Questions

What is the CAS number of Pigment Red 146?

The CAS number of Pigment Red 146 is 5280-68-2.

What are the molecular formula and molecular weight of Pigment Red 146?

Pigment Red 146 has molecular formula C33H27ClN4O6 and molecular weight 611.04400 g/mol.

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

Last updated:

How to cite: Jingsj. "Pigment Red 146 (CAS 5280-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1136905-5 (accessed 2026-10-26).

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