Acid Green 4
Acid Green 4 Basic information
- Product Name:
- Acid Green 4
- Synonyms:
-
- Acid Green 4
- trisodium tris[4-hydroxy-3-nitrosonaphthalene-1-sulphonato(2-)-O3,O4]ferrate(3-)
- trisodium,iron(3+),3-nitroso-4-oxidonaphthalene-1-sulfonate
- C.I.Acid Green 4:C.I.410025
- CAS:
- 25424-72-0
- MF:
- C30H15FeN3NaO15S3(-2)
- MW:
- 832.47
- EINECS:
- 246-971-6
- Mol File:
- 25424-72-0.mol
More
Less
Acid Green 4 Chemical Properties
- EPA Substance Registry System
- Ferrate(3-), tris[4-(hydroxy-.kappa.O)-3-(nitroso-.kappa.O)-1-naphthalenesulfonato(2-)]-, trisodium (25424-72-0)
More
Less
Acid Green 4 Usage And Synthesis
Preparation
Will on nitrosation 4-Hydroxynaphthalene-1-sulfonic acid, and then turn it into iron sodium salt.
Properties and Applications
yellow light green. Soluble in water for yellow-green solution. The strong sulfuric acid for yellow brown, after dilution is yellow, with Potassium ferricyanide blue precipitation. In water solution to join sodium hydroxide don’t change color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 3 | 4 | 3-4 | 3-4 | 4 | ||
More
Less
Acid Green 4(25424-72-0)Related Product Information
- [1,1'-Biphenyl]sulfonic acid, 4,4''-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis-, disodium salt
- 2,2'-[(9,10-Dihydro-5-hydroxy-9,10-dioxoanthracene-1,4-diyl)diimino]bis[5-methylbenzenesulfonic acid sodium] salt
- disodium hydrogen bis[4-amino-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonato(3-)]chromate(3-)
- Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt
- Acid Green 40
- Acid Green 28
- 8-[[4-(Acetylamino)phenyl]amino]-5-cyclohexylamino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid sodium salt
- 4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt
- ACID GREEN 3
- LIGHT GREEN SF YELLOWISH