REACTIVE BLACK 5 CAS #17095-24-8

Chemical properties:
Molecular formula: C₂₆H₂₁N₅Na₄O₁₉S₆
Molecular weight: 991.816240000001
Appearance: Usually black powder
Solubility: Easily soluble in water, the aqueous solution is dark blue to black
Stability: Stable under certain conditions, but sensitive to light, heat and oxidants. During storage and use, it should be avoided from long-term exposure to sunlight and high temperature environments, and avoid contact with oxidants
Uses:
Textile printing and dyeing: Mainly used for dyeing cotton, viscose fibers and fabrics, which can make the dyed objects black in color and have good fastness. It can also be dyed dark blue with reactive violet, reactive blue, etc. It can also be used for direct printing of cotton and viscose fiber fabrics, with less staining on white ground. In addition, it can also be used for dyeing nylon.
Other uses: Only for research and development, not for medicine, household or other purposes.

REACTIVE BLACK 5 CAS #17095-24-8

REACTIVE BLACK 5 Basic information
Product Name: REACTIVE BLACK 5
Synonyms: REMAZOL BLACK B;(azo))-5-amino-4-hydroxy-,di(hydrogensulfate)ester,tetrasodiumsalt;2,7-naphthalenedisulfonicacid,3,6-(bis(4-((2-hydroxyethyl)sulfonyl)phenyl)bis;2,7-naphthalenedisulfonicacid,4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulfooxy)ethy;C.I.Reactiveblack5;C.I.ReactiveBlack5(20505);cavaliteblackb;celmazolblackb
CAS: 17095-24-8
MF: C26H26N5NaO19S6
MW: 927.86
EINECS: 241-164-5
Product Categories: Organics
Mol File: 17095-24-8.mol
REACTIVE BLACK 5 Structure
REACTIVE BLACK 5 Chemical Properties
Melting point >300 °C(lit.)
density 1.21 g/cm3 at 20 °C
storage temp. room temp
solubility Methanol (Slightly), Water (Slightly)
form Solid
color Very Dark Brown to Black
LogP -3.75 at 25℃ and pH6
CAS DataBase Reference 17095-24-8
EPA Substance Registry System C.I. Reactive Black 5 (17095-24-8)
Safety Information
Hazard Codes Xn
Risk Statements 42-42/43
Safety Statements 36-36/37-22
WGK Germany 3
RTECS QJ6402500
MSDS Information
REACTIVE BLACK 5 Usage And Synthesis
Uses C.I.Reactive Black 5 can be used for Ink jet recording apparatus and ink jet method reducing clogging during textile printing
Uses Reactive Black 5 (RB5) has been:

  • used in an optimization study on the photocatalytic degradation of RB5 dye in synthetic greywater effluent (i.e. aqueous RB5 in distilled water), in order to understand the effects of different photoreactor parameters on the degradation kinetics.
  • as a textile dye to investigate the anaerobic reduction in upflow stirred packed-bed reactors (USPBRs) with biological activated carbon (BAC) system
  • used in the performance evaluation of dye removal forlarge molecule substance
Definition ChEBI: A bis(azo) compound with two aryldiazenyl moieties placed at positions 2 and 7 of a multi-substituted naphthalene.
General Description Reactive Black 5 belongs to the class of textile azo dyes. It can be biodegraded by the laccase enzyme in Ganoderma lucidum.

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