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Direct Yellow R Cotton Viscose Fiber Knitwear Dye Pigment Paper Dyeing
Direct Yellow R Cotton Viscose Fiber Knitwear Dye Pigment Paper Dyeing

Direct Yellow R Cotton Viscose Fiber Knitwear Dye Pigment Paper Dyeing

Slightly soluble in fibrinolysin, insoluble in other organic solvents. It is dark red in concentrated sulfuric acid, and turns to dark yellow after dilution (sometimes with brown precipitation); Partially dissolved in concentrated hydrochloric acid and black; Partially dissolved in concentrated nitric acid, it turns yellow light brown to olive. Its aqueous solution is slightly darkened with 10% sulfuric acid; The concentrated hydrochloric acid is olive yellow; The concentrated sodium hydroxide solution precipitates in golden orange. In case of copper light, it is green, in case of iron light, it is slightly red and dark, and in case of zinc and ammonia, it becomes light yellow light orange. This product has strong photosensitive embrittlement effect.
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Specification

item

value

CAS No.

1325-37-7

Other Names

CURCUMIN S

MF

C16H10N2Na2O7S2

EINECS No.

215-393-6

Place of Origin

China
 

Zhejiang

Type

Sulphur Dye

Usage

Ink Dyestuffs, Leather Dyestuffs, Paint Dyestuffs, Paper Dyestuffs, Plastic Dyestuffs, Textile Dyestuffs

Brand Name

TK

Model Number

TK-CHEM

Product name

Direct Yellow R

CAS

1325-37-7

Appearance

Powder Form

Application 1

Dyeing cotton viscose fibre knitwear

Application 2

Paper dyeing

Strength

100

Packing & Delivery

 

 

1

 

Company Profile

Hangzhou Tiankai Import And Export Co., Ltd. is a professional enterprise which is specialized in importing and exporting products and services. We are recognized as one of the medium-small sized and well-known enterprises of Zhejiang. We mainly deal in chemicals, shower cabinets, and cabinets. We also offer bags, knitting textile, weaving bags, and down and feather products. In addition, we also provide raw steel materials, electronic equipment, building materials, stationery as well as other legal projects. Our company advocates the principle of "Customer first" and we never give up sticking to the principle of "You were, you are and you remain to be our consumers". With years of sales experience, quality products & perfect services, we have won a high reputation and are trusted by customers from both at home and abroad.

FAQ

1. who are we? We are based in Zhejiang, China, start from 2007,sell to North America(50.00%),Mid East(30.00%),South America(10.00%),Eastern Asia(5.00%),Eastern Asia(5.00%),Southeast Asia(5.00%). There are total about 11-50 people in our office. 2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment; 3.what can you buy from us? Pigment/Dye/Resin/Glitter/Thermochromic Powder/Photochromic Powder/Chameleon Pigment/Mica Powder/Fluorescent Pigment 4. why should you buy from us not from other suppliers? we are speicfical in all kinds pigment about 20 years,our pigment can be used water based ink,solvent based ink ,and we can offer suitable goods and best price for you.we can help customer solved the matter about the colour,ink,paint,coationg ,plastic etc. 5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF； Accepted Payment Currency:USD,EUR; Accepted Payment Type: T/T,L/C,D/P D/A; Language Spoken:English,Chinese

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