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Direct Blue 78

Direct Blue 78 structure

CAS No.: 2503-73-3

Chemical Name:: Direct Blue 78

Synonyms: C.I.34200;Helion Blue G;tetrasodium sa;Kayarus Blue G;Durazol Blue G;Dicorel Blue LV;Direct Blue 4GL;Direct Blue 4GLL;Ismafast blue 4GL;Triamin Blue 4GL.

CBNumber:: CB2875158

Molecular Formula:: C42H25N7Na4O13S4

Molecular Weight:: 1055.90608

MDL Number:: MFCD00230743

MOL File:: 2503-73-3.mol

MSDS File:: SDS

Last updated:2023-05-09 09:30:37

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Direct Blue 78 Properties

Density	1.383[at 20℃]
vapor pressure	0Pa at 25℃
Water Solubility	10g/L at 20℃
LogP	-1
FDA UNII	V4U8LFJ9SL
EPA Substance Registry System	C.I. Direct Blue 78, tetrasodium salt (2503-73-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H412
Precautionary statements	P273-P501

Direct Blue 78 price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	DYE0001054	PONTAMINE FAST BLUE 4GL 95.00%	2503-73-3	5MG	$501.68	2021-12-16	Buy

Product number	Packaging	Price	Buy
DYE0001054	5MG	$501.68	Buy

Direct Blue 78 Chemical Properties,Uses,Production

Preparation

2-Aminobenzene-1,4-disulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid first coupling, its product to diazo, and Naphthalen-1-amine second coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid third coupling.

Flammability and Explosibility

Not classified

Properties and Applications

blue. Soluble in water for blue, solubility of 15 g/L (60 ℃), 30 g/L (97 ℃), soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid in Red sauce for galleries to, diluted Red sauce for; In the light of nitric acid for palm gray. The dye solution to join strong hydrochloric acid for red light blue; Add thick sodium hydroxide solution for red light purple. Water-soluble good, colored light to blue. Dye in bath of copper, iron ion colored light basic unchanged. SDC classification for class B. Neutral white is very good, alkaline white. Mainly used for cotton or viscose dyeing and printing directly, and disperse dyestuffs with bath dyeing polyester/cotton blended fabric. Can also be used for paper, leather and biological dyeing.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fading	Stain	Fading	Stain
ISO	4	4-5	4-5	2-3		2-3
AATCC	5	4-5	5	3		3

Direct Blue 78 Preparation Products And Raw materials

Raw materials

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 1-Naphthylamine

Preparation Products

Direct Blue 78 Suppliers

Global( 18)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Winchem industrial co limited	+86-0086-574-83851061 +86-13003762012	lucyhu@win-chemical.com	China	300	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	27843	58
Alfa Chemistry	+1-5166625404	Info@alfa-chemistry.com	United States	21317	58
GIHI CHEMICALS CO.,LIMITED	+8618058761490	info@gihichemicals.com	China	50000	58
Winchem Industrial Co. Ltd	0574-83851061	info@win-chemical.com	China	500	55
Alfa Chemistry	1-516-6625404	support@alfa-chemistry.com	United States	9171	60
Hubei Shishun Biotechnology Co. Ltd	027-59223025 15107168801	1718480011@qq.com	China	9974	58
Hubei Guangao Biotechnology Co., Ltd	027-027-59223056 18162699093	1208480011@qq.com	China	9951	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	17691182729 18161915376	1046@dideu.com	China	10011	58

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58
Winchem industrial co limited	58
Dideu Industries Group Limited	58
Alfa Chemistry	58
GIHI CHEMICALS CO.,LIMITED	58
Winchem Industrial Co. Ltd	55
Alfa Chemistry	60
Hubei Shishun Biotechnology Co. Ltd	58
Hubei Guangao Biotechnology Co., Ltd	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58

2503-73-3(Direct Blue 78)Related Search:

DISPERSE BLACK 1 N-(2-Naphthyl)aniline 2-Amino-1,4-benzenedisulfonic acid Aniline-2,5-Disulfonic Acid 1-Naphthylamine-7-sulfonic acid

4-PHENYLAZO-1-NAPHTHYLAMINE Direct Blue 78 Sodium 2-amino-1,4-benzenedisulfonate 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid J acid

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Ismafast blue 4GL Fast Sky Blue G Atul Direct Light Fast Blue 4G Direct Blue 4GLL Direct Fast Blue L4G Fabramine Blue 4GL Helion Blue G Intralite Blue 4GL Sandal Direct Blue G Sirius Supra Blue G Solar Light Blue G Solophenyl Blue 4GL Triamin Blue 4GL. tetrasodium 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]benzene-1,4-disulphonate tetrasodium sa Direct blue 78 (C.I. 34200) C.I.34200 Kayarus Blue G Sumilight Supra Blue G Amanil Fast Blue 4GL Belamine Fast Blue 4GL Benzanil Supra Blue 4GL Calcoform Blue 4GL Chlorantine Fast Blue 4GL Chrome Leather Blue 4GL Chrome Leather Blue G Diaphtamine Light Blue 4GL Diazol Light Blue 3J Dicorel Blue LV Direct Blue 4GL FAST SKY BLUE, C.I: PIGMENT BLUE 17:1 1,4-Benzenedisulfonic acid, 2-4-4-1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenylazo-1-naphthalenylazo-6-sulfo-1-naphthalenylazo-, tetrasodium salt 1,4-benzenedisulfonic acid, 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-nap C.I.Direct Blue 78 Diazol Light Blue 4J Durazol Blue G etrasodium,2-[[4-[[4-[(2Z)-2-(6-anilino-2-oxo-3-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalen-1-yl]diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]benzene-1,4-disulfonate Direct Blue 78 ISO 9001：2015 REACH C.I.Direct Blue 78:C.I.34200 tetrasodium,2-[[4-[[4-[(2Z)-2-(6-anilino-2-oxo-3-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalen-1-yl]diazenyl]-6-sulfonatonaphthalen-1-yl]diazenyl]benzene-1,4-disulfonate 2503-73-3 C42H25N7O13S4Na4 Organics