523-44-4 ORANGE I

523-44-4 ORANGE I
523-44-4 ORANGE I
523-44-4 ORANGE I
523-44-4 ORANGE I
523-44-4 ORANGE I

523-44-4 ORANGE I

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1 Kilogram

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  • Purity: 99%
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Keywords

523-44-4 ORANGE I 523-44-4 ORANGE I 523-44-4 ORANGE I

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Product Name: ORANGE I
Synonyms: sodium 4-[2-(4-oxo-1-naphthalenylidene)hydrazinyl]benzenesulfonic acid;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
CAS: 523-44-4
MF: C16H11N2NaO4S
MW: 350.32
EINECS: 208-346-6
Product Categories: Organics
Mol File: 523-44-4.mol

ORANGE I Chemical Properties
Melting point  260 °C (decomp)
Colour Index  14600
Merck  14,6857
BRN  3826844
EPA Substance Registry System C.I. Acid Orange 20 monosodium salt (523-44-4)
Safety Information
Safety Statements  22-24/25
WGK Germany  3
RTECS  DB7085000
HS Code  32041200
Toxicity LD50 intraperitoneal in rat: 1gm/kg

ORANGE I Usage And Synthesis
Chemical Properties Crystalline
Purification Methods Purify 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. 

Details:

Product Name: ORANGE I
Synonyms: sodium 4-[2-(4-oxo-1-naphthalenylidene)hydrazinyl]benzenesulfonic acid;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
CAS: 523-44-4
MF: C16H11N2NaO4S
MW: 350.32
EINECS: 208-346-6
Product Categories: Organics
Mol File: 523-44-4.mol

ORANGE I Chemical Properties
Melting point  260 °C (decomp)
Colour Index  14600
Merck  14,6857
BRN  3826844
EPA Substance Registry System C.I. Acid Orange 20 monosodium salt (523-44-4)
Safety Information
Safety Statements  22-24/25
WGK Germany  3
RTECS  DB7085000
HS Code  32041200
Toxicity LD50 intraperitoneal in rat: 1gm/kg

ORANGE I Usage And Synthesis
Chemical Properties Crystalline
Purification Methods Purify 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. 

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