Durazol Brown 4RNS
Durazol Brown 4RNS Basic information
- Product Name:
- Durazol Brown 4RNS
- Synonyms:
-
- C.I.34020
- C.I.Direct Brown 99
- Durazol Brown 4RNS
- Durazol Red Brown 4RN
- Fixanol Brown 4RN
- Sirius Brown RV
- C.I.Direct Brown 99:C.I.34020
- Direct Brown 99
- CAS:
- 6661-42-3
- MF:
- C34H25N9Na2O9S2
- MW:
- 813.72674
- Mol File:
- 6661-42-3.mol
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Durazol Brown 4RNS Usage And Synthesis
Preparation
3-Aminonaphthalene-1,5-disulfonic acid diazo, and Naphthalen-1-amine coupling, product to diazo, and 2-Amino-4-methylanisole coupling, generation of accidentally nitrogen compounds to diazo, and 4-Nitrobenzene-1,3-diamine coupling.
Properties and Applications
red light brown. Moderate soluble in water and ethanol for brown. The strong sulfuric acid for blue-ray green (+ violet black), diluted for Shallow red time The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for yellow brown, with brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 5 | 4-5 | 2 | 2 | ||
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Durazol Brown 4RNS(6661-42-3)Related Product Information
- Direct Green 100
- 5-Amino-6-[(2-chlorophenyl)azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt
- Direct Green 102
- 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
- DIRECT BROWN 95
- disodium 2'-[4-[[2,6-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]phenyl]-6-methyl[2,6'-bibenzothiazole]-7-sulphonate
- CALCOMINE DARK GREEN BG
- Direct Brown 79
- trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate