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Mordant Black 17

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Mordant Black 17 Basic information

Product Name:
Mordant Black 17
Synonyms:
  • HBC25865
  • ERIOCHROME BLUE BLACK RERIOCHROME BLUE BLACK RERIOCHROME BLUE BLACK R
  • 1-Naphthalenesulfonicacid, 3-hydroxy-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • MORDANT BLACK 17
  • PALATINE CHROME BLACK 6BN
  • PALATINE CHROME BLACK R
  • SUNCHROMINE BLUE BLACK R
  • SUPERCHROME BLUE B EXTRA
CAS:
2538-85-4
MF:
C20H13N2O5S.Na
MW:
416.39
EINECS:
219-810-2
Product Categories:
  • Dyes and Pigments
  • Azo Compounds
  • Naphthylazo Compounds
  • Analytical Chemistry
  • Chelating Reagents
Mol File:
2538-85-4.mol
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Mordant Black 17 Chemical Properties

storage temp. 
Store at +5°C to +30°C.
solubility 
20g/l
Colour Index 
15705
form 
Powder
color 
Dark brown to black
PH
9.4 (10g/l, H2O, 25℃)
Odor
Odorless
Water Solubility 
20 g/L (20 ºC)
Stability:
Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
2538-85-4(CAS DataBase Reference)
EPA Substance Registry System
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (2538-85-4)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
RTECS 
QK2200000
HS Code 
29270000

MSDS

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Mordant Black 17 Usage And Synthesis

Chemical Properties

dark brown to purple powder

Uses

Mordant Black 17 can be prepared to use as blue acid dye.

Preparation

4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazotization, and Naphthalen-2-ol coupling.

Properties and Applications

dark red light navy blue to black. Dark brown powder. Soluble in water for wine red to purplish red, in the water solubility is 50 g/l (80 ℃), soluble in Cellosolve, slightly soluble in ethanol and Acetone, insoluble in other organic solvent. In concentrated sulfuric acid for blue, dilution after pale red light brown, precipitation, In concentrated nitric acid for yellow; In 10% of sodium hydroxide solution to red. Its aqueous solution to join concentrated hydrochloric acid into olive yellow brown, precipitation, Add people concentrated sodium hydroxide solution into purple black. Dyeing encounter copper ion colour and lustre more red, can’t and iron ion contact. Mainly used for wool fabric and silk and nylon after chrome dyeing, but also can be used for wool and a variety of fiber blended fabric dyeing. Can be in acetic acid chromium pretreatment of wool fabric direct printing, also can be used for leather and biological dyeing. Is tasted can be used for indicator.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4-5 7-8 5 3-4 5 5 5
AATCC 4-5 6 4-5 4-5 5 5

Purification Methods

Free it from metallic impurities by three precipitations from aqueous solution by addition of HCl. The precipitated dye is dried at 60o under vacuum and converted into the Na salt with the calculated amount of alkali. It is an indicator in the complexometry of Al, Fe and Zr. [Beilstein 16 H 297, 16 IV 428.]

Mordant Black 17Supplier

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