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Indigo Blue

Colour sample C.I.No Appearance Contemnt(%) Shade Moisture(%)< Diffusibility(grade) iron ion
C.I.Vat Blue 1 Dark blue uniform granule ≥94 approximate to the standard 1.0 3-4 <300ppm

Structural formula:

Molecular formula:C16H10O2N2

Molecular weight:262.25

Use:Indigo is mainly used in cotton yarn,cotton cloth,wool or silk.The pure product can be used to produce food dyes.And it can also be used to produce 5.5'-7.7'-tetrabromo indigo,and used in biochemical medicament and indicator.

Off:Room 1308-1310,Ocean Plaza,Jiaojiang,Taizhou,Xhejiang,China.P.C.31800

Tel:0086-576-88860838,88861016,88861026 Fax:0086-576-88861056

E-mail:sales@shengyuchemical.com web:www.jonbjae.com



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