Import Basic Brown 4 | Bismark Brown R | Basic Dyes — Buy in wholesale FOB from Supplier in India

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Basic Brown 4 | Bismark Brown R | Basic Dyes by Shramik Chemicals
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Basic Brown 4 | Bismark Brown R | Basic Dyes - Image 1

Basic Brown 4 | Bismark Brown R | Basic Dyes

🕐Last updated: Oct 17, 2026
5– / Bags
Min. Order: 1 Bags
💱≈ ₹5.00/ Bags
Live rate: 1 USD = 1.00 INR
📁CategoryProducts
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import Basic Brown 4 Bismark Brown R Basic Dyes from Shramik Chemicals - India Wholesale Supply

Basic Brown 4, also known as Bismark Brown R, is a synthetic basic dye with the molecular formula C21H24N8 and a molecular weight of 388.47 g/mol. This brownish-black powder is soluble in water and organic solvents, making it suitable for a range of industrial dyeing processes. Shramik Chemicals supplies this product from its facility in Ankleshwar, Gujarat, where it is processed for consistent stability and colorfastness across substrates like textiles, leather, and paper.

The dye is valued for its versatility in application, including dyeing chemical fibres, silk, wool, and cotton, though its fastness is typically lower than that of basic green dyes. Industry standards for such dyes often include tests for solubility, pH stability, and lightfastness, with typical values for Basic Brown 4 falling within standard ranges for basic dyes. Its brown hue is achieved through the reaction of nitrous acid with 4-methyl-1,3-benzenediamine hydrochloride, a process that defines its chemical identity as C.I. Basic Brown 4.

Textile manufacturers use Basic Brown 4 for fabrics and yarns, while leather processors rely on it for deep, uniform colouring. Paper producers also employ it to enhance visual appeal in coated and uncoated stocks. Buyers sourcing from Shramik Chemicals should confirm packaging options, as bulk shipments often use 25 kg or 50 kg bags, with lead times and incoterms negotiable based on order volume. The product is compatible with standard dyeing equipment, but users should verify compatibility with their specific substrates and processes.

Technical Specifications for Shramik Chemicals Basic Brown 4 Bismark Brown R
Chemical NameBismark Brown R
C.I. Number21010
CAS Number5421-66-9
Molecular FormulaC21H24N8
Molecular Weight388.47 g/mol
AppearanceBrownish Black Powder
SolubilityHighly soluble in water and organic solvents
Application SubstratesTextiles, leather, paper, silk, wool, cotton, chemical fibres
Typical LightfastnessStandard for basic dyes (moderate to low)
Typical pH Stability RangeStandard for basic dyes (pH 4-9)
PackagingTypical 25 kg or 50 kg bags
About Shramik Chemicals - Basic Dyes Supplier in India
Shramik Chemicals
India⚓ Harbor

Shramik Chemicals operates from Plot No. 6904 in the GIDC Industrial Estate, Ankleshwar, Gujarat, a hub for chemical manufacturing in India. The company’s address places it near the Gujarat Gas R&D Centre, indicating proximity to industrial infrastructure and logistics networks. As a supplier of basic dyes, Shramik Chemicals focuses on products like Basic Brown 4, catering to textile, leather, and paper industries.

The supplier’s profile does not state a response rate or average response time, and no verification signals such as certifications or trade history are provided in the listing. Buyers should directly contact Shramik Chemicals to confirm production capacity, quality control measures, and compliance with industry standards like ISO for dyes. The company’s location in Gujarat positions it well for exports, with access to major ports such as Mundra and Nhava Sheva.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response TimeContact Supplier
Response RateNew Supplier
Frequently Asked Questions About Basic Brown 4 Bismark Brown R from Shramik Chemicals
Basic Brown 4 has the molecular formula C21H24N8, derived from the reaction of nitrous acid with 4-methyl-1,3-benzenediamine hydrochloride. This structure gives it a high affinity for protein-based fibres like wool and silk, though its fastness is typically lower than that of other basic dyes. The molecular weight of 388.47 g/mol contributes to its solubility in water and organic solvents.

Sourcing Basic Brown 4 Bismark Brown R from Shramik Chemicals - India Import Guide

Before ordering Basic Brown 4 from Shramik Chemicals, verify the product’s compliance with your industry’s quality standards. Request a Certificate of Analysis (CoA) to confirm the molecular formula, weight, and purity, as these directly impact dyeing performance. Ensure the supplier can provide batch consistency data, particularly if your production requires uniform colour across large volumes.

Confirm logistics details such as lead time, which may vary based on Shramik Chemicals’ production schedule and your order size. Incoterms should be negotiated upfront, with FOB or CIF being common for exports from India. Payment terms typically include a percentage upfront and the balance upon shipment, but these are subject to agreement. Clarify whether the supplier handles export documentation, including bills of lading and customs declarations.

Conduct quality checks upon receipt, testing the dye for solubility, pH stability, and colour consistency on your intended substrates. For textiles, perform a lab dip test to ensure the shade matches your requirements. Inspect packaging for integrity, as exposure to moisture can affect the powder’s flowability. Request a material safety data sheet (MSDS) to confirm handling and storage guidelines, and ensure all documentation aligns with your import regulations.

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Buy Basic Brown 4 | Bismark B in Bulk — Verified Supplier in India

When sourcing Basic Brown 4 | Bismark Brown R | Basic Dyes for your business, securing the right balance of quality and cost is essential. Shramik Chemicals, a verified supplier based in India, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Products sector with strong demand from importing countries worldwide.

Basic Brown 4 | Bismark B Specifications, Trade Terms & Pricing

Importing Basic Brown 4 | Bismark B requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shramik Chemicals offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.

About Shramik Chemicals — Supplier in India

Finding trustworthy partners is the foundation of successful importing. The supplier of this Basic Brown 4 | Bismark B has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Products category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.

Import Basic Brown 4 | Bismark B — Shipping, Logistics & Customs

Importing Basic Brown 4 | Bismark B requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).

Frequently Asked Questions About Basic Brown 4 | Bismark B

What is the wholesale price of Basic Brown 4 | Bismark Brown R | Basic Dyes?

The current listed wholesale price for Basic Brown 4 | Bismark Brown R | Basic Dyes from Shramik Chemicals is $5/Bags on FOB terms from India. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shramik Chemicals through EximNext.

What is the Minimum Order Quantity (MOQ) for Basic Brown 4 | Bismark B?

The supplier, Shramik Chemicals, has set a Minimum Order Quantity (MOQ) of 1 Bags for Basic Brown 4 | Bismark B. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for Basic Brown 4 | Bismark Brown R | Basic Dyes?

The HS Code classification for Basic Brown 4 | Bismark Brown R | Basic Dyes depends on the specific grade and form. Contact Shramik Chemicals through EximNext for the exact HS Code and customs documentation required for your destination country.

How can I import Basic Brown 4 | Bismark B from India?

To import Basic Brown 4 | Bismark B from India, negotiate shipping terms (FOB, CIF, or EXW) directly with Shramik Chemicals. Ensure you have the necessary import licenses for Products products in your destination country.

Is Shramik Chemicals a verified supplier?

Yes, Shramik Chemicals is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.

What are the key specifications of Basic Brown 4 | Bismark Brown R | Basic Dyes?

For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Shramik Chemicals through EximNext.

What packaging options are available for bulk orders of Basic Brown 4 | Bismark B?

Shramik Chemicals offers Basic Brown 4 | Bismark B with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import Basic Brown 4 | Bismark B the most?

Basic Brown 4 | Bismark B is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shramik Chemicals through our platform.

What certifications does this Basic Brown 4 | Bismark B supplier hold?

Shramik Chemicals maintains international quality certifications. These ensure that the Basic Brown 4 | Bismark B meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for Basic Brown 4 | Bismark Brown R | Basic Dyes on EximNext?

Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shramik Chemicals will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.

What payment methods are accepted?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shramik Chemicals.

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