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Direct Black 166

Direct Black 166 structure

CAS No.: 57131-19-8

Chemical Name:: Direct Black 166

Synonyms: C.I.30026;Direct Black 166;Direct Black ANBA;Direct Black ANBN;Fast Black ANBN;Kemanarect Black AB;Pidictive Black 166;Vilmamin Black NNC.;C.I.Direct Black 166;Everdirect Black ANBN

CBNumber:: CB0967790

Molecular Formula:: C35H26N10O8S2.2Na

Molecular Weight:: 824.764

MDL Number:

MOL File:: 57131-19-8.mol

MSDS File:: SDS

Last updated:2026-08-28 09:47:32

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Direct Black 166 Properties

CAS DataBase Reference	57131-19-8
EPA Substance Registry System	2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt (57131-19-8)

SAFETY

Risk and Safety Statements

TSCA	TSCA listed

Direct Black 166 price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	DYE0001939	CI DIRECT BLACK 166 95.00%	57131-19-8	5MG	$498.92	2021-12-16	Buy

Product number	Packaging	Price	Buy
DYE0001939	5MG	$498.92	Buy

Direct Black 166 Chemical Properties,Uses,Production

Uses

Direct Black 166 is mainly used for dyeing and printing cellulose fiber fabrics such as cotton and viscose, and can also be used for leather dyeing.

Preparation

4-Amino-N-(4-aminophenyl)benzamide double nitriding, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupled, aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidgroup of neighborhood, a coupling again with Benzene-1,3-diamine coupling.

Properties and Applications

black. Used for cellulose fiber dyeing and printing, also can be used for leather dyeing. Is C.I. Direct Black 38 substitutes.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO			3	2-3	1	3	1

Direct Black 166 Preparation Products And Raw materials

Raw materials

Benzanilide m-Phenylenediamine 4,4'-Diaminobenzanilide Aniline 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

m-Phenylenediamine

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Preparation Products

Direct Black 166 Suppliers

Global( 28)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd	027-59599241 18871490274	1400878000@qq.com	China	9506	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
Hubei yongkuo Technology Co., Ltd	027-59223108 15972152991	1248580099@qq.com	China	9910	58
Hubei Xinkang Pharmaceutical Chemical Co., Ltd	027-027-59308705 18871579363	1248680011@qq.com	China	9279	58
Hubei Shishun Biotechnology Co. Ltd	027-59223025 15107168801	1718480011@qq.com	China	9402	58
Hubei Guangao Biotechnology Co., Ltd	027-02702759223056 18162699093	1208480011@qq.com	China	9508	58
Hubei Wande Chemical Co., Ltd	15377098680 15377098680	1148280011@qq.com	China	9436	58
Tianmen Hengchang Chemical Co., Ltd	027-59322316 15172518801	1208480077@qq.com	China	9485	58
Hubei Qifei Pharmaceutical Chemical Co., Ltd	027-59322506 18071128681	1438082200@qq.com	China	9554	58
Hubei xingongli Chemical Co., Ltd	027-027-59106151 15172325309	1400858877@qq.com	China	9759	58

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Hubei yongkuo Technology Co., Ltd	58
Hubei Xinkang Pharmaceutical Chemical Co., Ltd	58
Hubei Shishun Biotechnology Co. Ltd	58
Hubei Guangao Biotechnology Co., Ltd	58
Hubei Wande Chemical Co., Ltd	58
Tianmen Hengchang Chemical Co., Ltd	58
Hubei Qifei Pharmaceutical Chemical Co., Ltd	58
Hubei xingongli Chemical Co., Ltd	58

57131-19-8(Direct Black 166)Related Search:

Direct Grey D Direct Black GB Direct Black 38 Direct Black 19 DIRECT PURE YELLOW 5G

DIRECT RED 80 Direct Green 26 Direct Red 243 Direct Orange 39 DIRECT BLACK 22

Direct Yellow 12 Direct Red 13 Direct Black 168 trisodium 3-[[4-[[6-(anilino)-1-hydroxy-3-sulphonato-2-naphthyl]azo]-5-methoxy-o-tolyl]azo]naphthalene-1,5-disulphonate Direct Yellow 120

DIRECT VIOLET 51 Direct Blue 199 Direct Brown 95

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Direct Black 166 2,7-Naphthalenedisulfonic acid, 4-amino-3-4-4-(2,4-diaminophenyl)azophenylaminocarbonylphenylazo-5-hydroxy-6-(phenylazo)-, disodium salt Direct black 166 (C.I. 30026) C.I.Direct Black 166 Concorde Direct Black ANBN Dinamine Black NBR SP Direct Black ANBA Everdirect Black ANBN Kemanarect Black AB Fast Black ANBN Direct Black ANBN 4-Amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt C.I.30026 Pidictive Black 166 Vilmamin Black NNC. C.I.Direct Black 166:C.I.30026 57131-19-8 C35H26N10O8S2Na2 C35H26N10O8S22Na Organics