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CROCEIN ORANGE G

Basic information Safety Supplier Related

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
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CROCEIN ORANGE G Chemical Properties

Colour Index 
15970
form 
Powder
color 
Bright orange to red
EPA Substance Registry System
2-Naphthalenesulfonic acid, 6-hydroxy-5-(phenylazo)-, monosodium salt (1934-20-9)
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Safety Information

Safety Statements 
22-24/25
WGK Germany 
3
RTECS 
QK2430000

MSDS

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CROCEIN ORANGE G Usage And Synthesis

Chemical Properties

orange-red powder

Preparation

aniline diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

bright 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 GSupplier

J & K SCIENTIFIC LTD.
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TCI (Shanghai) Development Co., Ltd.
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Energy Chemical
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JinYan Chemicals(ShangHai) Co.,Ltd.
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Chengdu XiYa Chemical Technology Co., Ltd.
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