What are the available packaging options?

Packaging includes 25KG plastic-woven bags, 200KG cartons, and 20KG or 15KG iron drums, all with double polyester liners.

How stable is the product under different conditions?

It has good light resistance but poor heat resistance, and is unstable to citric acid, tartaric acid, and alkali.

Natural Dyestuffs Indigo Blue Dye for Jeans

Name: Natural Dyestuffs Indigo Blue Dye for Jeans
Brand: Zhengzhou Kelai Chemical Co., Ltd.
SKU: 764516252

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.

207-586-9

Formula

C16h10n2o2

Model NO.

94%

EINECS

207-586-9

Use

Textile

Colour

Blue

Appearance

Powder

Type

Natural

Product Name

Indigo Blue

Other Name

Indigo

Density

1.417g/cm3

Melting Point

390-392 ° C (DEC.)

Boiling Point

400.4 ° C at 760 Mmhg

Flash Point

158.2 ° C

Steam Pressure

1.27e-06mmhg at 25°C

Indigo Blue Appearance

Dark Blue Even Granular

Content

94% Min

Moisture

1% Max

Fe3

300ppm Max

Formula Weight

262.2628

Application

Textile Industry

Sample

Available

Loading Quantity

11mt/20'container

Transport Package

PP Bag

Specification

25kg

Trademark

Kelai

Origin

Henan

HS Code

3204151000

Production Capacity

5000mt

Key features

High Purity Content: Minimum 94% content with moisture max 1% and Fe3+ max 300ppm.

Versatile Applications: Suitable for dyeing cotton, wool, silk, viscose fiber paste, and biochemical indicators.

Natural Type: 100% natural indigo blue powder with unique color tone.

Free Sample Available: Free samples provided for quality verification before bulk orders.

Factory Direct Supply: Direct supply from factory ensuring high quality and prompt delivery.

Extensive Export Experience: Over ten years of exporting experience to global markets.

Stable Chemical Properties: Dark blue appearance with specific solubility in water, ethanol, and glycerin.

Flexible Packaging Options: Available in 25KG bags, 200KG cartons, and 20/15KG iron drums.

Company profile

Zhengzhou Kelai Chemical Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-01-21Average Response Time: ≤2.30hTerms 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.