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Vat Blue/Indigo Blue, Indigo Dye for Denim Dyeing
US$6,500.00
1-9 Tons
US$6,450.00
10-49 Tons
US$5,600.00
50+ Tons
Product specifications
Indigo Blue94%
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableCAS No.
482-89-3Formula
C16h10n2o2Model NO.
Indigo Blue 94%EINECS
207-586-9Colour
BlueAppearance
PowderUsage
Paint, Ink, FoodApplication Material
LeatherName
Indigo BlueContent
94%C.I.No.
Vat Blue 6Product Name
Indigo BlueOther Name
IndigoDensity
1.417g/cm3Melting Point
390-392 ° C (DEC.)Boiling Point
400.4 ° C at 760 MmhgFlash Point
158.2 ° CSteam Pressure
1.27e-06mmhg at 25°CIndigo Blue Appearance
Dark Blue Even GranularMoisture
1% MaxFe3
300ppm MaxFormula Weight
262.2628Application
Textile IndustrySample
AvailableStorage
Dry PlaceLoading Quantity
11mt/20'containerTransport Package
25kg BagSpecification
25kg netTrademark
KELAIOrigin
ChinaHS Code
3204151000Production Capacity
5000mt/YearKey features
Versatile Physical Forms: Available as dark blue powder or even granular form.
Specialized Manufacturer: Leading manufacturer of disperse, reactive, and vat dyes.
Standard Shade Consistency: Shade matches factory standard sample with equal strength.
Specific Chemical Properties: Insoluble in water/alcohol, soluble in hot aniline.
Flexible Packaging Options: 25kg bags, 20kg cartons, or 20/15kg iron drums available.
Wide Application Scope: Mainly for cotton fiber dyeing, food coloring, and biochemistry.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-01-21Average Response Time: ≤3.81hTerms 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.
Product Q&A
Q:What forms is the product available in?
A:
It is available as dark blue powder or even granular form.
Q:Is this product suitable for cotton fiber dyeing?
A:
Yes, it is mainly used to dye cotton fiber, such as for 'cowboy' clothes made by interweaving indigo blue and white yarns.
Q:What are the solubility properties of Indigo Blue?
A:
It is insoluble in water and alcohol but soluble in hot aniline.
Q:What are the packaging options?
A:
We offer 25kg plastic-woven bags, 20kg cartons, and 20kg/15kg iron drums, all with double polyester liners.
Q:Can this product be used for food coloring?
A:
Yes, indigo white and bromized indigo blue derived from it are well used in food coloring and biochemistry.
Send Inquiry
*To:
Zhengzhou Kelai Chemical Co., Ltd.
Zhengzhou Kelai Chemical Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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