What is the shelf life of this dye?

The product has a shelf life of one year when stored under proper conditions.

What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

Can this dye be used for food coloring?

Yes, derivatives like indigo white and bromized indigo blue produced from it are used in food coloring and biochemistry.

Denim Dye Industry 94%Min Indigo Blue, Vat Blue

Name: Denim Dye Industry 94%Min Indigo Blue, Vat Blue
Brand: Zhengzhou Kelai Chemical Co., Ltd.
SKU: 763434532

Henan, ChinaZhengzhou Kelai Chemical Co., Ltd.

US$6,500.00

1-9 Tons

US$6,450.00

10-49 Tons

US$5,600.00

50+ Tons

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

CAS No.

482-89-3

Formula

C16h10n2o2

Model NO.

Indigo Blue 94%

EINECS

207-586-9

Colour

Blue

Appearance

Granular or Powder

Usage

Textile

Application Material

Cotton Yarn, Cotton Cloth, Wool, Silk

Name

Vat Blue BC

Content

94% Min

C.I.No.

Vat Blue 1

Product Name

Indigo Blue

Other Name

Vat Blue 1

Formula Weight

262.26

Grade

Tech Grade

Shelf Life

One Year

Colour Index

C.I. Vat Blue 1

Vat Yellow

1, 2, 33

Vat Orange

1, 2, 7, 9, 11, 15

Another Name

Reducing Indigo

Index No. of Dyes

C. I. Reducing Blue 1 (73000)

Molecular Formula

C16h10n2o2

Chemical Name

3, 3 - Dioxbisindophenol

Moisture Content

1.0% Max

pH Range

9.5-10.0

Content of Ferric Ions

200ppm Max

Transport Package

25kg/Bag

Specification

94% min

Trademark

KELAI

Origin

China

HS Code

3204151000

Production Capacity

5000mt/Year

Key features

High Purity Content: Minimum content of 94% ensures superior dyeing performance and consistency.

Versatile Application: Ideal for dyeing cotton yarn, cotton cloth, wool, and silk fabrics.

Excellent Sun Resistance: Features very good sunburn endurance for long-lasting color vibrancy.

Customizable Packaging: Standard 25kg/bag with options for inner foil and outer kraft paper bags.

Wide Color Range: Available in various Vat dyes including Yellow, Orange, Red, Violet, Blue, Green, Brown, and Black.

Global Shipping Terms: Flexible Incoterms including FOB, CFR, CIF, DDP, and DAP available.

Safe Storage Requirements: Requires shade, dry, well-ventilated storage away from oxidizing chemicals.

Company profile

Zhengzhou Kelai Chemical Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-01-21Average Response Time: ≤2.21hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryZhengzhou Kelai Chemical Co., Ltd. is identified as a trading company headquartered in Zhengzhou, Henan, with permitted import and export activities. The provided information describes fine-chemical R&D, production, operations, and exports to more than 68 countries, although other records characterize the entity as a chemical-products trading business. It reports ISO 9001 and ISO 14001 certifications, OEM/ODM availability, recent new-product activity, and multiple customization options. Service logistics include warehousing, contract-carrier transportation, and stated lead times within 15 working days in both peak and off-season periods. However, it has no overseas showroom, agents, branches, or offline trade-show participation, and no SDK is available. Financial records are indicated for 2023–2025, but no substantive financial-performance evidence is provided. Supplier-management procedures are not documented, and customer evidence is limited to general claims of OEM service for known brands and exports...

Supplier typeThe supplier is explicitly classified as a trading company, with permitted import/export activities and a Zhengzhou, Henan location. Its background description also states involvement in fine-chemical R&D, production, and operations, so the available records present both trading and product-related capabilities.

CertificationsThe supplier reports holding ISO 14001 and ISO 9001 certifications. These are explicit certifications relevant to environmental and quality management systems.

After-Sales capabilityService support includes warehousing, contract-carrier transportation, and stated lead times within 15 working days in both peak and off-season periods. However, the supplier reports no overseas showroom, agents, branches, or offline trade-show participation, and offers overseas services in zero countries; therefore, after-sales coverage is not demonstrated as strong, particularly internationally.

R&D capabilityThe supplier reports R&D capability, at least one new product during the past year, and ODM services; its company background describes fine-chemical R&D. However, it explicitly has no available SDK, so innovation support is evidenced for product development but not for SDK-based integration.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, minor customization, flexible customization, and customization from designs. It also reports ODM availability, providing direct evidence of broad customization support.