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HomeProduct name listMordant Black 17

Mordant Black 17

Synonym(s):2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt;Calcon (C.I.15705)

  • CAS NO.:2538-85-4
  • Empirical Formula: C20H15N2NaO5S
  • Molecular Weight: 418.4
  • MDL number: MFCD00004069
  • EINECS: 219-810-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 23:02:33
Mordant Black 17 Structural

What is Mordant Black 17?

Chemical properties

dark brown to purple powder

The Uses of Mordant Black 17

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

What are the applications of Application

Calcon? is an indicator for Al, Fe, and Zr complexometry

Preparation

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

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.]

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

Properties of Mordant Black 17

storage temp.  Store at +5°C to +30°C.
solubility  20g/l
form  Powder
Colour Index  15705
color  Dark brown to black
Odor Odorless
PH 9.4 (10g/l, H2O, 25℃)
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)

Safety information for Mordant Black 17

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

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