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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

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 )


4 Responses to “Acid Blue 74”

  1. […] 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. […] 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. […] 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. […] Acid Blue 74 […]

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