Rn C. I. Vat Brown 3 R Vat Dyes CAS 131-92-0 Dark Brown Powder

• CAS No.: 130-20-1
• Formula: C28h12cl2n2o4
• EINECS: 250-961-7
• Colour: Blue
• Appearance: Granular Powder
• Usage: Textile
• Model NO.: vat brown 3
• Application Material: Cotton Yarn, Fabrics etc.
• Name: Vat Blue Clf
• Content: 100%
• C.I.No.: Vat Blue 66
• C.I: Vat Brown 3
• Affinity: Medium Affinity
• Dyeing Method: Iw (45°c)
• Level Dyeing: Very Good
• Transport Package: 25kg Carton Box or Iron Drum
• Specification: min 99%
• Trademark: ZHANJIU
• Origin: China
• HS Code: 3204159000
• Production Capacity: 5000mt/Year

Product Description

 
Product Name: C.I.Vat brown 3; Vat brown RN; Vat Brown R (C.I.69015);C.I.69015; C.I.Pigment Brown 28
Molecular Formula:C₄₂H₂₃N₃O₆
CAS: 131-92-0
 
Properties:
Vat brown RN is dark brown powder, insoluble in water, slightly soluble in xylene. It is dark wine red in concentrated sulfuric acid and produces reddish brown flocculent precipitation after dilution. It is red light brown in alkaline solution of insurance powder and yellow light brown in acidic solution.
 

Application:

Vat Brown R is mainly used for dyeing cotton fiber, with good levelness and affinity. It is also used for dyeing polyester cotton, polyester viscose, Uygur cotton and other blended fabrics, with slight staining of polyester components. It can also be used in two bath dyeing. It can also be combined with Vat Brown G, Vat Brown GG and Vat Brown BR to dye brown with different light and dark colors. It is also used to prepare organic pigments.

 

Shade card:

Shade	Dyeing method	Dyeing depth	Light fastness (Xenon)	Water spotting (immediately)	Level dyeing property
	IW	35g/l	6-7	4-5	Very good

 
IW dyeing process:
Optimun dyeing temperature: 45°C; Alkalinity of bath: medium; Electrolyte addition: yes; Remarks: medium affinity.
 
Storage:
It should be stored in a cool, dry and ventilated place to prevent moisture and heat.

ZHANJIU (SHANGHAl) INDUSTRIAL CO., LTD is a professional supplier of fine chemicals for manyindustry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing.water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperatedfactories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliaries
etc.Our cooperated factory for sodium hydrosulfite has capacity of 100,000 metric tons per year, wealso produce sodium metabisulfite and sodium formate etc.Our factory has internationally advanced production equipment and production technology.comprehensively utilizes the by-products in the production process, and fully advocates circulareconomy and cleaner production.
Our manufacture base for Sulphur dyes is located in East China and founded in 2003. The mainproducts are solid and liquid sulphur dyes, sodium thiosulfate, sodium sulfide, etc. Our capacity forsulphur dyes is 30000 tons of solid and 30000 tons of liquid every year.Our cooperated factory for sodium percarbonate has capacity of 100,000 metric tons per year andwe already exported more than 50 countries. The main application of sodium percarbonate is indetergent and aquaculture industries. For aquaculture, we can supply granular uncoated type andtablet type. It is Class 5.1 dangerous chemicals and we have very good professional experiences forexporting this product.

FAQ

1) Do you accept small orders ?

     Yes, we can do it. Pls contact us for order details.
2) How about the price? Can you make it cheaper ?
    Price is negotiable under different conditions, we are assuring you to get the most competitive price.
3) Do you offer free samples ?
    Yes, we could offer the sample for free charge but do not pay the cost of freight.
4) What are your payment terms ?
     We usually accept T/T, L/C or other terms for negotiating.
5) Can I visit your factory in China ?
     Yes, you are welcomed to visit our factory.
6) How Can I place an order ?
    Kindly pls chat with us directly, or you could just send us inquiry, we will arrange your order accordingly after all details is  finalized.