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Food Blue 1:1

Name:C.I.Food Blue 1:1,C.I.73015:1

Molecular Structure: Indigo class

C.I.Food Blue 1:1,C.I.73015:1,CAS 16521-38-3,422.39,C16H10N2O8S2

C.I.Food Blue 1:1,C.I.73015:1,CAS 16521-38-3,422.39,C16H10N2O8S2

Molecular Formula:C16H10N2O8S2

Molecular Weight: 422.39

CAS Registry Number:16521-38-3

Manufacturing Methods : with strong sulfuric acid or low concentration fuming sulfuric acid sulphonated 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-, and then into aluminum salt deposit color.

Properties and Applications: green light blue. Blue fine powder, odourless. Hardly soluble in water, oil and most solvent, but can be scattered, mixed with water, oil liquid and solid powder. Resistance to light sex, heat resistance, the salt resistance equal ratio of use 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-. This product is suitable for oil products, powder of solid and colloid water-soluble colorants are difficult to use items shading. The product is made of a certain amount of strong HCL, added with a certain volume of two potassium hydrogen sulfate solution diluted, the maximum absorption wavelength for 612 + 2 nm.

List of Suppliers:

Eurolake Indigo Carmine ( Warner-Jenkinson Co )

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FD&C Blue No.2 Aluminium Lake 12005( Anstead International )

Indigo Carmine lake( Sharda International )

Indigo Carmine Lake 11010( Anstead International )

Indigo Carmine Lake 12005 ( Anstead International )

Indigo Carmine Lake 15009( Anstead International )

Indigo Carmine Lake 15021 ( Anstead International )

Indigotine Lake ( Warner-Jenkinson Co )

Neelilake Indigo Carmine ( Neelikon Food Dyes and Chemicals Ltd )

San-Ei Gen Food Blue No. 2 Aluminium Lak ( Kaseihin Kogyo Kyokai )

Sicovic Indigotine Lake E 132 ( BASF Aktiengesellschaft )

Simlake Indigo Carmine ( Simpsons (UK) Ltd )

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


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