Pigment Red 166

BGC Id:	545003831785
CAS No:	3905-19-9
Synonyms:	c.i. pigment red 166 ; pigment red 166 (c.i. 20730) ; cromophtal scarlet r ; c.i. 20730 ; 1,4-bis[1-[(2,5-dichlorophenyl)azo]-2-hydroxynaphthalen-3-ylcarbonylamino]benzene ; 2-naphthalenecarboxamide, n,n-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy- ; n,n'-1,4-phenylenebis[4-(2,5-dichlorophenyl)azo]-3-hydroxy-2-naphthalenecarboxamide ; 1,4-bis[[1-(2,5-dichlorophenylazo)-2-hydroxy-3-naphthoyl]amino]benzene ; cromophtal scarlet r (cgy) ; pigment red 166
Molecular Formula:	C40H24Cl4N6O4
Molecular Weight:	794.46836
EINECS:

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The following 2 notable providers have been checked and can be recommended.

Dayang Chem

Leap Chem

Molecular Formula: C40H24Cl4N6O4 Molecular Weight: 794.47

What other providers are available for CAS 3905-19-9?

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

c.i. pigment red 166 ; pigment red 166 (c.i. 20730) ; cromophtal scarlet r ; c.i. 20730 ; 1,4-bis[1-[(2,5-dichlorophenyl)azo]-2-hydroxynaphthalen-3-ylcarbonylamino]benzene ; 2-naphthalenecarboxamide, n,n-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy- ; n,n'-1,4-phenylenebis[4-(2,5-dichlorophenyl)azo]-3-hydroxy-2-naphthalenecarboxamide ; 1,4-bis[[1-(2,5-dichlorophenylazo)-2-hydroxy-3-naphthoyl]amino]benzene ; cromophtal scarlet r (cgy) ; pigment red 166

CAS:

3905-19-9

EINECS:

Molecular Formula:

C40H24Cl4N6O4

MDL:

Properties

Molecular Weight:

794.46836 g·mol−1

Density:

1.50

Suppliers

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. Dayang Chem (Hangzhou) Co.,Ltd. also offers 2-(3,4-Epoxycyclohexyl)ethyltriethoxysilane. We expect to cooperate with more partners in ...

Country: P.R.China Phone: +86-571-88938639 Telefax: +86-571-8893-8652

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Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier

Country: P.R.China
Phone: +852-30606658

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

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What other providers are available for CAS 3905-19-9?

In addition to the providers presented here for Pigment Red 166 with the CAS number 3905-19-9, there are other 5 providers with slightly different product names available for this CAS number.

C.i. 20730

Leap Chem Co., Ltd +1 additional providers that we know from the past

N,N'-Phenylene-1,4-bis[4-[(2,5-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]

+2 additional providers that we know from the past

2-Naphthalenecarboxamide,N,N'-1,4-phenylenebis[4-[2-(2,5-dichlorophenyl)diazenyl]-3-hydroxy-

+1 additional providers that we know from the past