dye|World dye variety

Acid Blue 74

Name:C.I.Acid Blue 74,C.I.73015

Molecular Structure: Indigo class

C.I.Acid Blue 74,C.I.73015,CAS 860-22-0,466.35,C16H8N2Na2O8S2,Basovit Blue 665 E,Indigo Carmine

Molecular Formula:C₁₆H₈N₂Na₂O₈S₂

Molecular Weight: 466.35

CAS Registry Number:860-22-0

Manufacturing Methods : 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro with strong sulfuric acid or trace fuming sulfuric acid products.

Properties and Applications:  green light blue. Soluble in water for blue, slightly soluble in alcohol. The strong sulfuric acid is a deep blue light in purple, diluted into blue. In aqueous solution for green to yellow sodium hydroxide to join.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	1-2	2	4	2	1	2	2	1
AATCC	1	3	5	1	1	1	2	2

List of Suppliers:

Aizen Food Blue No.2 ( Hodogaya Chemical Co Ltd )

Basovit Blue 665 E ( BASF Aktiengesellschaft )

Daiwa Indigo Cannine( Kaseihin Kogyo Kyokai )

Eurocert Indigo Cafmine 311811 ( Warner-Jenkinson Co )

Eurocert Indigotine ( Warner-Jenkinson Co )

FD&C Blue No 2 307045 ( Warner-Jenkinson Co )

FD&C Blue No 2 37006 ( Anstead International )

Indigo Carmine ( Simpsons (UK) Ltd )

Indigo Carmine 307019 ( Warner-Jenkinson Co )

Indigo Carmine 36009 ( Anstead International )

Indigo Carmine 37006( Anstead International )

Neeiicol Indigo Carmitie( Neelikon Food Dyes and Chemicals Ltd )

San-Ei Gen Indigo Carmine( Kaseihin Kogyo Kyokai )

Usacert FD & C Blue No 2 310118 ( Warner-Jenkinson Co )

Water Blue 177557( Morton International Ltd )

Water Blue 177558( Morton International Ltd )

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This entry was posted on Monday, June 11th, 2012 at 5:54 am and is filed under Acid Dyes. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

5 Responses to “Acid Blue 74”

1. Dye intermediates|Fluorescent Brightener|Pigment on December 12th, 2012 at 3:19 am

   […] purple, blue for diluted. Pigment solution to join caustic soda for the green to yellow green. With C.I.Acid Blue 74 the same chemical […]

2. Food Blue 1 on November 12th, 2013 at 2:23 am

   […] green sodium hydroxide. LD50 (to mice through the mouth) : 2000 mg/kg, ADI: tentative 0-2.5 mg/kg. C.I. Acid Blue 74 the same chemical […]

3. Pigment Blue 63 on December 4th, 2013 at 1:47 am

   […] purple, blue for diluted. Pigment solution to join caustic soda for the green to yellow green. With C.I.Acid Blue 74 the same chemical […]

4. 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- on December 9th, 2013 at 7:56 am

   […] Acid Blue 74 […]

5. Kiran Kate on December 27th, 2016 at 8:37 am

   Want to know the Stability of following dyes at pH <1 ( 33 % HCl)
   1. Acid Blue 104,C.I.42735
   2. Acid Blue 7,C.I.42080
   3. Acid Blue 74,C.I.73015
   4. Direct Blue 86,C.I.74180
   5. Acid Blue 62,C.I.62045
   6. Basic Blue 26,C.I.44045
   7. Vat Blue 1,C.I.73000

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