Orange IV
Orange IV Basic information
- Product Name:
- Orange IV
- Synonyms:
-
- 4-[[4-(phenylamino)phenyl]azo]-benzenesulfonicacimonosodiumsalt
- Benzenesulfonicacid,4-[[4-(phenylamino)phenyl]azo]-,monosodiumsalt
- c.i.acidorange5,
- c.i.acidorange5,monosodiumsalt
- OrangeⅣ
- sodium 4-[[4-(anilino)phenyl]azo]benzenesulphonate
- TROPAEOLIN OO INDICATOR
- OrangeIvC.I.13080
- CAS:
- 554-73-4
- MF:
- C18H16N3NaO3S
- MW:
- 377.39
- EINECS:
- 209-071-4
- Product Categories:
-
- Indicator (pH)
- pH Indicators
- Analytical Chemistry
- Azo
- Mol File:
- 554-73-4.mol
Orange IV Chemical Properties
- Melting point:
- >300°C
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- Solubility Soluble in water, ethanol
- Colour Index
- 13080
- form
- Powder
- pka
- 2.0(at 25℃)
- color
- S. No.: 179
- PH Range
- 1.3(red)-3.2(yellow)
- λmax
- 527nm, 443nm
- Merck
- 14,9776
- Stability:
- Stable. Incompatible with strong oxidizing agents.
- Major Application
- Sensors, lithographic plates, optical recording media, photoreceptor, inks, indication system for product exceeding threshold temperature, lubricants, textiles, food storage, determination of amiodarone, astemizole, bromhexine, clomipramine, deutiforin, domperidone, fluoroquinolone, roxithromycin, terfenadine, thiabendazole, antihistamines
- CAS DataBase Reference
- 554-73-4(CAS DataBase Reference)
- EPA Substance Registry System
- Benzenesulfonic acid, 4-[[4-(phenylamino)phenyl]azo]-, monosodium salt (554-73-4)
Safety Information
- Hazard Codes
- Xn,Xi
- Risk Statements
- 20/21/22-36/37/38-41-37/38-22
- Safety Statements
- 36/37-26-36/37/39-36-24/25
- HazardClass
- IRRITANT
- HS Code
- 29270000
MSDS
- Language:English Provider:Tropaeolin OO
- Language:English Provider:ACROS
Orange IV Usage And Synthesis
Chemical Properties
yellow-brown or orange powder
Uses
As indicator. pH: red 1.4 to yellow 2.6.
Preparation
ommonly known as acidic orange IV. 4-Aminobenzenesulfonic acid diazo, with Diphenylamine coupling.
Properties and Applications
yellow orange. Soluble in water and ethanol for orange, slightly soluble in ethyl ether, insoluble in benzene. The strong sulfuric acid is purple, dilute appears after the purple precipitation. In water solution to join hydrochloric acid appear purple precipitation; With sodium hydroxide appear yellow precipitation. Used for wool, silk, cotton, vinegar fiber etc fiber dyeing. Can also be used to indicator, paper, soap kind, straw and leather color. Good levelness, discharge sex medium, dyeing encounter copper, iron ion color shade darker.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 1-2 | 2 | 1-2 | 1-2 | |||
Purification Methods
Recrystallise it twice from water [Kolthoff & Gus J Am Chem Soc 60 2516 1938]. [Beilstein 16 II 171.]
Orange IVSupplier
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Orange IV(554-73-4)Related Product Information
- Dodecylbenzenesulphonic acid
- Benzenesulfonic acid sodium salt
- Sodium 3-nitrobenzenesulphonate
- BENZENESULFINIC ACID SODIUM SALT
- 4-PHENYLAZOPHENOL
- 4-AMINOAZOBENZENE
- Sulfanilic acid
- ORANGE I
- Sodium p-toluenesulfinate
- Phenothiazine
- Diphenylamine
- 4-Amino-benzenesulfonic acid monosodium salt
- Sodium diphenylamine-4-sulfonate
- 8-CHLOROADENOSINE-3',5'-CYCLIC MONOPHOSPHOROTHIOATE, RP-ISOMER SODIUM SALT
- 4'-Aminoazobenzene-4-sulphonic acid
- 4-(PHENYLAZO)DIPHENYLAMINE
- Benzenesulfonic acid
- Orange IV