18976-74-4

Basic information

• Product Name: Reactive Yellow 14
• Synonyms: Reactive Yellow 14;disodium 5-chloro-6-[4,5-dihydro-4-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]toluene-3-sulphonate;Reactive yellow 14 (C.I. 19036);Light Yellow KN-G;3-Chloro-4-[4,5-dihydro-4-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]-5-methylbenzenesulfonic acid disodium salt;C.I.19036;Remazol Yellow G;Benzenesulfonic acid, p-((4-(5-((2-hydroxyethyl)sulfonyl)-2-methoxyphenyl)azo)-5-hydroxy-3-methylpyrazol-1-yl)-3-chloro-5-methyl-, hydrogen sulfate (ester), disodium salt
• CAS NO: 18976-74-4
• Molecular Formula: C20H19ClN4Na2O11S3
• Molecular Weight: 669.0126
• EINECS: 242-710-5
• Mol File: 18976-74-4.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: Reactive Yellow 14(CAS DataBase Reference)
• NIST Chemistry Reference: Reactive Yellow 14(18976-74-4)
• EPA Substance Registry System: Reactive Yellow 14(18976-74-4)

Safety Data

• Hazardous Substances Data: 18976-74-4(Hazardous Substances Data)

Usage

Definition

ChEBI: A organic sodium salt that is the disodium salt of an azo-substituted pyrazolinone sulfonic acid compound.

Preparation

2-(3-Amino-4-methoxyphenylsulfonyl)ethyl hydrogen sulfate diazo, and 3-Chloro-4-(5-hydroxy-3-methyl-1H-pyrazol-1-yl)-5-methylbenzenesulfonic acid?coupling.

Properties and Applications

brilliant yellow. Yellow powder. The strong sulfuric acid for yellow, diluted still yellow color; In nitric acid for colourful yellow, diluted still for colourful yellow; Add in 1 Moore sodium hydroxide solution no change color, continue to join the amount of insurance powder and warm, very light to the yellow, add a boric acid sodium can’t restore the original colour and lustre.?For cotton, rayon, silk, polyvinyl alcohol, wool and nylon dip, dyeing, pad dyeing and direct, anti-pollution and discharge printing. Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping Fading Stain Fading Stain Fading Stain ISO 4-5 4-5 5 4 5

Standard

Light Fastness

Fading

Stain

ISO

4-5

InChI:InChI=1/C20H21ClN4O11S3.2Na/c1-11-8-14(38(29,30)31)9-15(21)19(11)25-20(26)18(12(2)24-25)23-22-16-10-13(4-5-17(16)35-3)37(27,28)7-6-36-39(32,33)34;;/h4-5,8-10,18H,6-7H2,1-3H3,(H,29,30,31)(H,32,33,34);;/q;2*+1/p-2/b23-22+;;

Related news

Advanced oxidative decolourisation of Reactive Yellow 14 (cas 18976-74-4) azo dye by UV/TiO2, UV/H2O2, UV/H2O2/Fe2+ processes—a comparative study07/24/2019

The decolourisations of reactive azo dye, Reactive Yellow 14 (RY14), by three different advanced oxidation processes have been investigated. The dye is effectively decolourised by all these processes. The effects of dye adsorption, catalyst loading and dye concentration on the UV/TiO2 process ha...detailed

Optimization of solar photocatalytic degradation conditions of Reactive Yellow 14 (cas 18976-74-4) azo dye in aqueous TiO207/21/2019

The photocatalytic decolourisation and degradation of an azo dye Reactive Yellow 14 (RY14) in aqueous solution with TiO2-P25 (Degussa) as photocatalyst in slurry form have been investigated using solar light. The study on the effect of various photocatalysts on the decolourisation and degradatio...detailed

Solar driven decolourisation of Reactive Yellow 14 (cas 18976-74-4) by advanced oxidation processes in heterogeneous and homogeneous media07/19/2019

This paper evaluates the decolourisation of an azo dye Reactive Yellow 14 (RY14) by three advanced oxidation processes viz., solar/TiO2, solar/H2O2 and solar/H2O2/Fe2+ (photo-Fenton). The results showed that all the three processes could be effectively used for the decolourisation. The study on ...detailed