ChemicalBook > CAS DataBase List > Orange IV

Orange IV

Product Name
Orange IV
CAS No.
554-73-4
Chemical Name
Orange IV
Synonyms
OrangeⅣ;Dipheny;Orange N;S NO 179;CI 13080;ORANGE IV;TROPAEOLIN;TROPEOLINOO;CI NO 13080;TROPAELIN OO
CBNumber
CB5119631
Molecular Formula
C18H16N3NaO3S
Formula Weight
377.39
MOL File
554-73-4.mol
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Orange IV Property

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)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H228Flammable solid

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P370+P378In case of fire: Use … for extinction.

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N-Bromosuccinimide Price

TCI Chemical
Product number
A0576
Product name
Acid Orange 5
Packaging
25g
Price
$59
Updated
2024/03/01
TCI Chemical
Product number
A0576
Product name
Acid Orange 5
Packaging
100g
Price
$162
Updated
2024/03/01
Alfa Aesar
Product number
042772
Product name
Tropaeolin O
Purity
0.04% w/v aq. soln.
Packaging
100ml
Price
$21.8
Updated
2023/06/20
Alfa Aesar
Product number
042772
Product name
Tropaeolin O
Purity
0.04% w/v aq. soln.
Packaging
500ml
Price
$36
Updated
2023/06/20
TRC
Product number
O670603
Product name
OrangeIV
Packaging
500mg
Price
$60
Updated
2021/12/16
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Orange IV Chemical Properties,Usage,Production

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 IV Preparation Products And Raw materials

Raw materials

Preparation Products

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Orange IV Suppliers

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View Lastest Price from Orange IV manufacturers

Shanghai Standard Technology Co., Ltd.
Product
Orange IV 554-73-4
Price
US $0.00/mg
Min. Order
5mg
Purity
≥98%(HPLC)
Supply Ability
10 g
Release date
2020-01-20
Career Henan Chemical Co
Product
Orange IV 554-73-4
Price
US $8.00/KG
Min. Order
1KG
Purity
＞98% HPLC
Supply Ability
20 tons
Release date
2020-02-17

554-73-4, Orange IVRelated Search:

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

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  • 554-73-4