CROCEIN ORANGE G

CROCEIN ORANGE G
  • CAS No.:1934-20-9
Other grades of this product :
CROCEIN ORANGE G Basic information
Product Name:CROCEIN ORANGE G
Synonyms:1-PHENYLAZO-2-NAPHTHOL-6-SULFONIC ACID SODIUM SALT;ACID ORANGE 12;ACID ORANGE 12 DYE;6-HYDROXY-5-PHENYLAZO-2-NAPHTHALENESULFONIC ACID;CROCEIN ORANGE G;Crocein Orange G, Biological stain;2-Naphthalenesulfonicacid, 6-hydroxy-5-(2-phenyldiazenyl)-, sodium salt (1:1);CROCEINE ORANGE G
CAS:1934-20-9
MF:C16H11N2NaO4S
MW:350.32
EINECS:217-697-4
Product Categories:Natural Plant Extract
Mol File:1934-20-9.mol
CROCEIN ORANGE G Chemical Properties
storage temp. Amber Vial, -20°C Freezer, Under inert atmosphere
solubility DMSO (Slightly), Water (Slightly)
Colour Index 15970
form Powder
color Bright orange to red
EPA Substance Registry System2-Naphthalenesulfonic acid, 6-hydroxy-5-(phenylazo)-, monosodium salt (1934-20-9)
Safety Information
Safety Statements 22-24/25
WGK Germany 3
RTECS QK2430000
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
CROCEIN ORANGE G Usage And Synthesis
Chemical Propertiesorange-red powder
Preparationaniline diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applicationsbright orange. Soluble in water for gold orange, slightly soluble in ethanol for gold orange, slightly soluble in acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for gold in orange, diluted colour and lustre is unchanged; In nitric acid by brown in a red. Its water solution to join strong hydrochloric acid for gold orange; Add 10% of sodium carbonate solution color unchanged; Add thick sodium hydroxide solution for palm orange. Used for wool, silk, cotton, vinegar fiber etc of fiber dyeing and printing directly. Also used for paper, leather and biological dyeing, also used as indicator.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 1 2 2-3 1 2 2-3 1
AATCC 4 2-3 2-3 2 1 4
CROCEIN ORANGE G Preparation Products And Raw materials
Raw materialsAniline-->6-Hydroxynaphthalene-2-sulphonic acid

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