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ORANGE I

ORANGE I Suppliers list
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 86-188-71490254
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Products Intro: Product Name:ORANGE I
CAS:523-44-4
Purity:99% Package:5KG;1KG Remarks:C16H11N2NaO4S
Company Name: Shanghai Zheyan Biotech Co., Ltd.
Tel: 18017610038
Email: zheyansh@163.com
Products Intro: Product Name:Orange I
CAS:523-44-4
Purity:HPLC>=98% Package:20mg
Company Name: J & K SCIENTIFIC LTD.  
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Products Intro: Product Name:α-Naphthol Orange
CAS:523-44-4
Package:25G;5G
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
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Products Intro: Product Name:alpha-Naphthol Orange
CAS:523-44-4
Remarks:N0308
Company Name: TCI (Shanghai) Development Co., Ltd.  
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Products Intro: Product Name:alpha-Naphthol Orange
CAS:523-44-4
Package:25G
ORANGE I Basic information
Product Name:ORANGE I
Synonyms:1333orange;4-((4-hydroxy-1-naphthalenyl)azo)benzenesulfonicacid,monosodiumsalt;4-((4-hydroxy-1-naphthalenyl)azo)-benzenesulfonicacimonosodiumsalt;4-((4-hydroxy-1-naphthalenyl)azo)benzenesulphonicacid,monosodiumsalt;4-[(4-hydroxy-1-naphthalenyl)azo]-benzenesulfonicacimonosodiumsalt;4-p-sulfophenylazo-1-naphtholmonosodiumsalt;4-p-sulphophenylazo-1-naphthol,monosodiumsalt;a.f.orangeno.1
CAS:523-44-4
MF:C16H11N2NaO4S
MW:350.32
EINECS:208-346-6
Product Categories:Organics
Mol File:523-44-4.mol
ORANGE I Structure
ORANGE I Chemical Properties
Colour Index 14600
Merck 14,6857
BRN 3826844
Safety Information
Safety Statements 22-24/25
WGK Germany 3
RTECS DB7085000
MSDS Information
ORANGE I Usage And Synthesis
Chemical PropertiesCrystalline
Purification MethodsPurify the dye by dissolving it in the minimum volume of H2O, adding, with stirring, a large excess of EtOH. The salt separates as orange needles. It is collected by centrifugation or filtration, washed with absolute EtOH (3x) and Et2O (2x) in the same way and dried in a vacuum desiccator over KOH. The free acid can be recrystallised from EtOH. [Slotta & Franke Chem Ber 64 86 1931, Beilstein 16 H 275, 16 II 117, 16 IV 410.] The purity can be checked by titration with titanium chloride [Klotz J Am Chem Soc 68 2299 1946].
ORANGE I Preparation Products And Raw materials
Tag:ORANGE I(523-44-4) Related Product Information
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