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Leuco Sulphur Brown 12

Name:C.I.Leuco Sulphur Brown 12,C.I.53721

Molecular Structure:

C.I.Leuco Sulphur Brown 12,C.I.53721,Red Brown S-RT,Red Brown SBR,Red Brown LR

C.I.Leuco Sulphur Brown 12,C.I.53721,Red Brown S-RT,Red Brown SBR,Red Brown LR

CAS Registry Number:

Manufacturing Methods :  similar C.I. Sulphur Red 6 (C.I. 53720) stated in the method, The curing reaction is not added to copper sulfate. According to Ken shade requirements, adjust the curing reaction (reduce) the proportion of copper sulfate, available shade from dark red to red-brown dye.

Properties and Applications:  red light brown. Part of the soluble in water. In concentrated sulfuric acid for blue purple, dilution after brown precipitation; In the Sodium sulfide solution solubility is good, for the red light brown.

Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 4 2 4 2-3 3 3-4 2-3
AATCC 4-5 2 5 2 3

List of Suppliers:

Asathiosol Red Brown S-RT( Kaseihin Kogyo Kyokai )

Solsul Red Brown SBR( SF Dyes Pvt Ltd )

Tancol Red Brown LR ( SF Dyes Pvt Ltd )


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