ACID YELLOW 38
ACID YELLOW 38 Basic information
- Product Name:
- ACID YELLOW 38
- Synonyms:
-
- 2,2'-Thiobis[5-[(4-ethoxyphenyl)azo]benzenesulfonic acid sodium] salt
- 2,2'-Thiobis[5-[(4-ethoxyphenyl)azo]benzenesulfonic acid]disodium salt
- Milling Yellow O
- Benzenesulfonic acid, 2,2'-thiobis(5-(2-(4-ethoxyphenyl)diazenyl)-, sodium salt (1:2)
- Einecs 236-465-3
- CI 25135
- ACID YELLOW 38
- 2,2’-thiobis[5-[(4-ethoxyphenyl)azo]-benzenesulfonicacidisodiumsalt
- CAS:
- 13390-47-1
- MF:
- C28H24N4Na2O8S3
- MW:
- 686.69
- EINECS:
- 236-465-3
- Mol File:
- 13390-47-1.mol
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ACID YELLOW 38 Chemical Properties
- EPA Substance Registry System
- Benzenesulfonic acid, 2,2'-thiobis[5-[(4-ethoxyphenyl)azo]-, disodium salt (13390-47-1)
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ACID YELLOW 38 Usage And Synthesis
Uses
Acid Milling Yellow is an acid dye.
Preparation
2-(2-Sulfo-4-aminophenylthio)-5-aminobenzenesulfonic acid double nitriding, and phenol (2 Moore) coupling, and then under pressure to the hydroxyl ethyl with monomer (VCM).
Properties and Applications
yellow. Soluble in water and ethanol for green light yellow, slightly soluble in acetone. The strong sulfuric acid for cherry red, diluted into a green light yellow. In aqueous solution is to add strong hydrochloric acid have olive to yellow brown precipitation; Add thick sodium hydroxide solution yellowish after precipitation. Used for wool, silk, polyamide fiber dyeing and printing directly. Also used in paper and leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5 | 4-5 | 4 | 4 | 3-4 | 4 | 4-5 | |
| AATCC | 5 | 3-4 | 3-4 | 4 | 3-4 | 3-4 | 4-5 | |
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ACID YELLOW 38(13390-47-1)Related Product Information
- ACID YELLOW 40
- METANIL YELLOW
- Acid Yellow 42
- Acid Yellow 44
- sodium p-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulphonate
- sodium 5-chloro-4-[4-[(2-chlorophenyl)azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]toluene-3-sulphonate
- Acid Yellow 40:1
- ACID YELLOW 34
- 4-(Methylmercapto)aniline
- Diphenyl sulfide
- Phenetidine
- 1,2-BENZENEDITHIOL
- 4-PHENYLAZOPHENOL
- ACID YELLOW 7
- 4,4'-THIODIANILINE
- 4-METHOXYAZOBENZENE
- ACID YELLOW 38
- 4-Aminodiphenylsulfide