Contact us: +91 9550333722 040 - 40102781
Structured search
India
Choose your country
Different countries will display different contents
China United Kingdom South Korea Germany Japan India
Inquriy
Try our best to find the right business for you.
My chemicalbook

Welcome back!

HomeProduct name listDirect Red 69

Direct Red 69

  • CAS NO.：5915-58-2
  • Empirical Formula: C31H21N4NaO7S4
  • Molecular Weight: 712.76
Direct Red 69 Structural

What is Direct Red 69?

Preparation

p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, with hair smoke from the sulphonated sulfuric acid alkali primrose spirit. The product C.I. Direct Yellow 59 (C.I. 49000) diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Properties and Applications

red. Soluble in water is cherry red, not soluble in alcohol. The strong sulfuric acid for purple, after diluted purple precipitation. The dye solution to join strong hydrochloric acid with purple precipitation; Add thick sodium hydroxide solution no change.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 2 1 1

Safety information for Direct Red 69

New Products

Indole Methyl Resin tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate Boc-His(Boc)-OH 2-CTC Resin 4-Chloro-7-tosy1-7Hpyrrolo[2,3-d]pyrimidine 5,7-Dibromo-1H-indole 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidamide 2,2-Dimethoxy-7-azaspiro[3.5]nonane hydrochloride 4-chloromethyl-5-methyl-1,3-dioxol-2-one (DMDO-Cl) R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDIIMIDAZOLE 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID 4-((2-hydroxyethyl)thio)benzoic acid 1-(TERT-BUTOXYCARBONYL)-2-PYRROLIDINONE Methyl 6-methylnicotinate 3-Pyridineacrylic acid tert-Butyl carbazate TETRAHYDRO-2H-PYRAN-3-OL 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile 2,4-dihydroxybenzaldehyde 1,3-Diethyl-1,3-Diphenylurea Methyl 2-methylquinoline-6-carboxylate

Related products of tetrahydrofuran

Direct red 72
Direct red 72
C.I. Direct red 74
C.I. Direct red 74
BENZOPURPURIN 10B
BENZOPURPURIN 10B
disodium 4-amino-3-[[4'-[(2-amino-6-sulphonatonaphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate
disodium 4-amino-3-[[4'-[(2-amino-6-sulphonatonaphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methylphenyl)azo]-2-naphthalenesulfonic acid sodium salt
7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methylphenyl)azo]-2-naphthalenesulfonic acid sodium salt
7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methoxyphenyl)azo]-2-naphthalenesulfonic acid sodium salt
7-[[[[4-(Acetylamino)phenyl]amino]carbonyl]amino]-4-hydroxy-3-[(2-methoxyphenyl)azo]-2-naphthalenesulfonic acid sodium salt
[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]phenyl]-6-methyl-, disodium salt
[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]phenyl]-6-methyl-, disodium salt

You may like

Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.
HomePage About Us Contact us Terms Privacy Chemicalbook
Land Line: 040 - 40102781 Mobile contact: +91 9550333722