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Acid Yellow 1

Name:C.I.Acid Yellow 1,C.I.10316

Molecular Structure: Nitro Class

C.I.Acid Yellow 1,C.I.10316,CAS 846-70-8,358.19,C10H4N2Na2O8S,Napthol Yellow 200%,Yellow RS,Yellow S

C.I.Acid Yellow 1,C.I.10316,CAS 846-70-8,358.19,C10H4N2Na2O8S,Napthol Yellow 200%,Yellow RS,Yellow S

Molecular Formula:C10H4N2Na2O8S

Molecular Weight: 358.19

CAS Registry Number:846-70-8

Manufacturing Methods : 4-Hydroxynaphthalene-1,3,6-trisulfonic acid or 1-Naphthol-4,7-disulfonic acid or 1-Naphthol-2,7-disulfonic acid or more of the latter with the nitro compounds and nitric acid reaction.

Properties and Applications: colourful green light yellow. Soluble in cold water and hot water yellow, in 0 ℃ when solubility of 8%, slightly soluble in alcohol. Meet strong sulfuric acid is green light yellow, diluted colored light become weak. Its water solution to join sodium hydroxide have floc; Join chloride-ferric chloride solution from yellow to become yellow light brown. Apply to wool, polyamide fiber dyeing, coloured paper colourful yellow, the heavy metal salt can be used for printing ink and rubber color. Can also be used for soap, drug, cosmetics, biological and leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 1 1 5 3 1 5 1 1
AATCC 1 2 2 1 1 1 2 2

List of Suppliers:

Akadd Napthol Yellow 200% (Aakash Chemicals & Dyestuffs Inc)

Dynacid Yellow S ( Dynamic Industries Ltd )

Ext D&C Yellow 7( Jos H Lowenstein & Sons Inc )

Ext D&C Yellow No. 7 W099 ( Les Colorants Wackherr )

Ext. D&C Yellow No. 7 38007 ( Anstead International )

Ext. D&C Yellow No. 7 90126 ( Anstead International )

External D&C Yellow 7 ( Warner-Jenkinson Co )

Monacid Yellow RS(Monarch Dyestuffs Industries)

Naphthol Yellow(Simpsons (UK) Ltd)

Naphthol Yellow RS ( Bayer Group )

Naphthol Yellow S 38007( Anstead International )

Naphthol Yellow S 90126 ( Anstead International )

Pacid Yellow RS( Pidilite Industries Ltd. )


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