Sulphur blue 7, Sulphur blue BRN

Sulphur Blue BRN

Product Name: Sulphur blue BRN

» C.I.: 53441

» C.I. Name: Sulphur Blue 7

» CAS No.: 1327-57-7

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XCWY Chem sulphur blue BRN dye is also called sulfur blue BRN dye, which are commonly used cellulosic fiber products.

Sulphur blue dyes are water insoluble dyes. They are usually made by mixing some aromatic amines or phenolic compounds with sulfur or sodium polysulfide. This process is called sulfuration.

The production process of sulphur dyes is relatively simple, the cost is low, the use is convenient, and it has good washing fastness and sunshine fastness. Therefore, the demand for sulphur dyes is quite large. Sulphur dyes are mainly used in the dyeing of cellulose fibers, especially in the dyeing of dark cotton textiles. Among them, black and blue are the most widely used.

Sulphur Blue BRN Details

» Product name: Sulphur blue BRN

» C.I. NO.: 53441

» CAS NO.: 1327-57-7

» Appearance: Blue-purple powder

» Packing: 25kg/bag

» Usage: Cotton Dyestyffs, Linen Dyestuffs

Sulphur Blue BRN Basic Information

Basic Information
Product Name	Sulphur blue BRN
Colour Index	C.I. Sulphur blue 7
CAS No.	1327-57-7
Specification
Shade	Similar With Standard
Strength	180%
Appearance	Blue-purple Powder
Moisture %≤	2
Insoluble Matter %≤	0.5
Properties	Insoluble in water

Sulphur Blue BRN Character

Its appearance is blue-purple powder, which can not dissolve in water. It is green-grey in sodium sulfide solution. It is blue-purple in concentrated sulfuric acid and dark blue precipitation after dilution.

Sulphur Blue BRN Usage

This product is mainly used for dyeing cotton, linen, viscose fibers, vinylon and its fabrics. It is the main color dyestuff for navy blue color dyeing. It can also be dyed dark gray with yellow dyes.