C.I. Pigment Red 187

颜料红187

Also known as: C.I. 12486, Naphthol Red HF4B, Permanent Pink FL, Novoperm Red HF4B, Echtrot HF4B, 2-Naphthalenecarboxamide, 4-[2-[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]diazenyl]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxy-, 4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide

C.I. Pigment Red 187 (CAS 59487-23-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H28ClN5O7 and a molecular weight of 654.06800 g/mol. It is also known as C.I. 12486, Naphthol Red HF4B and Permanent Pink FL. Key properties include a boiling point of 803.3ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 439.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 59487-23-9
Jingsj CID: J-1367465-2
Molecular Formula: C₃₄H₂₈ClN₅O₇
Chinese Name: 颜料红187
Molecular Weight: 654.06800 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	803.3ºC at 760 mmHg
Density	1.4g/cm3
Flash Point	439.6ºC

Frequently Asked Questions

What is the CAS number of C.I. Pigment Red 187?

The CAS number of C.I. Pigment Red 187 is 59487-23-9.

What are the molecular formula and molecular weight of C.I. Pigment Red 187?

C.I. Pigment Red 187 has molecular formula C34H28ClN5O7 and molecular weight 654.06800 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "C.I. Pigment Red 187 (CAS 59487-23-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1367465-2 (accessed 2026-10-24).

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