|
| ACID RED 8 Basic information |
Product Name: | ACID RED 8 | Synonyms: | ACID RED 8;CI 14900;acid red 8 (C.I. 14900);Acid Red 8 (C.I.);C.I. Acid Red 8;disodium 3-((2,4-dimethylphenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 3-((2,4-dimethylphenyl)azo)-4-hydroxy-, disodium salt;C.I. Acid red 8, disodium salt | CAS: | 4787-93-3 | MF: | C18H17N2NaO7S2 | MW: | 460.45 | EINECS: | 225-337-2 | Product Categories: | | Mol File: | 4787-93-3.mol | |
| ACID RED 8 Chemical Properties |
| ACID RED 8 Usage And Synthesis |
Preparation | 2,4-Dimethylbenzenamine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid. | Properties and Applications | colourful red yellow light. Soluble in water for product red, slightly soluble in ethanol for orange, almost insoluble in acetone. The strong sulfuric acid for product red, diluted for pink. In water solution to join strong hydrochloric acid for product red; By adding concentrated sodium hydroxide solution was time
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
5
|
2-3
|
2-3
|
2-3
|
3
|
|
2
|
|
|
| ACID RED 8 Preparation Products And Raw materials |
|