What are the main properties of this dye?

It is a bright black flake or grain, cheap, and has good wash fastness.

What is the molecular formula?

The molecular formula is C6H4N2O5.

Best Quality Sulphur Black for Denim, Sulphur Black Br/2br

Name: Best Quality Sulphur Black for Denim, Sulphur Black Br/2br
Brand: Henan Premtec Enterprise Corporation
SKU: 1997649262

Henan, ChinaHenan Premtec Enterprise Corporation

US$1,198.00

1-19 Tons

US$1,050.00

20+ Tons

Sample price:US$0.00/500g.Request sample

Product profile

Customization

Available

CAS No.

1326-82-5

Formula

C6h4n2o5

Model NO.

200% 220% 240%

EINECS

215-44-2

Colour

Black

Appearance

Granule

Usage

Textile

Application Material

Dyes

Type

Sulphur Black

Solubility

Varieties

Sulphur Black Br

Production Method

Boiling Method

Name

Sulphur Black B/Br

C.I.No.

C.I. 53185

Content

200%;220%;240%

Other Names

C.I. Sulphur Black 1

Application

Textile Dyestuffs

Quality Standard

Hg/T3427-2001

Transport Package

25kg Bags or Drums

Trademark

premtec

Origin

China

HS Code

3204191100

Production Capacity

2000 Ton Per Year

Key features

High Strength Options: Available in 200%, 220%, and 240% strength grades for various dyeing needs.

Versatile Application: Ideal for dyeing cotton, cambric, viscose, and vinylon fabrics.

Customizable Packaging: Packed in 25kg drums or bags; custom packaging available per requirement.

Excellent Fastness: Features good wash fastness and is easy to apply for textile dyestuffs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceR&D CapabilitiesProduct Certification

Henan Premtec Enterprise Corporation

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-08-30Nearest Port: QINGDAO PORT,CHINA, SHANGHAI PORT,CHINAAverage Response Time: ≤3.43hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAP

AI-Powered supplier vetting

SummaryThe supplier is a small Zhengzhou-based trading company with seven employees and a valid import/export license. It has one R&D engineer and offers several forms of customization, including sample-, design-, full-, minor-, and flexible customization. However, it does not provide 3D software design or SDKs, launched no new products in the past year, and has no stated inventory, overseas warehouse, overseas showroom, overseas agents, or branches. Export sales account for 90% of total sales, and the supplier has participated in the Canton Fair. Quality traceability status, manufacturing-capacity contract status, trade volume, certification holdings, and customer cases are not provided. Service quotations can use FOB, CIF, CFR, and EXW, with stated lead times within 15 working days in both peak and off-season; written service procedures exist, but no records are available.

Supplier typeThe supplier is identified as a limited company and trading company located in Zhengzhou, with no larger-company affiliation reported. Its associated-company industry is wholesale and retail, and it holds a valid import/export license, indicating a trading-oriented rather than manufacturing-oriented profile.

R&D capabilityThe supplier has one R&D engineer whose duties include technical support and new product development, but it launched no new products in the past year. It also reports no professional technical-supplier R&D capability, no 3D software design service, and no available SDK, indicating limited documented innovation resources.

Production capacityThe supplier reports zero quality-control test equipment, no in-stock service capacity, and an unknown manufacturing-capacity contract status. Although it reports eight qualified suppliers for service capability and lead times within 15 working days, the evidence does not demonstrate direct production capacity and includes explicit capability limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These stated service options provide direct evidence of broad customization capability, although no supporting production or design-system details are provided.