ChemicalBook--->CAS DataBase List--->2503-73-3

2503-73-3

2503-73-3 Structure

2503-73-3 Structure
IdentificationBack Directory
[Name]

Direct Blue 78
[CAS]

2503-73-3
[Synonyms]

C.I.34200
Helion Blue G
tetrasodium sa
Durazol Blue G
Kayarus Blue G
Dicorel Blue LV
Direct Blue 4GL
Direct Blue 4GLL
Ismafast blue 4GL
Triamin Blue 4GL.
Intralite Blue 4GL
Solar Light Blue G
Fast Sky Blue G
Fabramine Blue 4GL
C.I.Direct Blue 78
Calcoform Blue 4GL
Solophenyl Blue 4GL
Sirius Supra Blue G
Sandal Direct Blue G
Direct Fast Blue L4G
Amanil Fast Blue 4GL
Diazol Light Blue 4J
Diazol Light Blue 3J
Chrome Leather Blue G
Belamine Fast Blue 4GL
Sumilight Supra Blue G
Benzanil Supra Blue 4GL
Chrome Leather Blue 4GL
Chlorantine Fast Blue 4GL
Diaphtamine Light Blue 4GL
Direct blue 78 (C.I. 34200)
Atul Direct Light Fast Blue 4G
Direct Blue 78 ISO 9001:2015 REACH
FAST SKY BLUE, C.I: PIGMENT BLUE 17:1
1,4-benzenedisulfonic acid, 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-nap
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
1,4-Benzenedisulfonic acid, 2-4-4-1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenylazo-1-naphthalenylazo-6-sulfo-1-naphthalenylazo-, tetrasodium salt
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
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
[EINECS(EC#)]

219-708-8
[Molecular Formula]

C42H25N7Na4O13S4
[MOL File]

2503-73-3.mol
[Molecular Weight]

1055.91
Chemical PropertiesBack Directory
[density ]

1.383[at 20°C]
[vapor pressure ]

0Pa@25°C
[Water Solubility ]

10g/L@20°C
[EPA Substance Registry System]

C.I. Direct Blue 78, tetrasodium salt (2503-73-3)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H412
[Precautionary statements ]

P273-P501
Raw materials And Preparation ProductsBack Directory
[Raw materials]

1-Naphthylamine-->7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
Hazard InformationBack Directory
[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]

Notclassified(100%)
[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
Fading Stain Fading Stain
ISO 4 4-5 4-5 2-3 2-3
AATCC 5 4-5 5 3 3
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