Basic Chromium Sulphate Manufacturer and Supplier
CAS No.: 12336-95-7 | EC Number: 235-595-8 | Representative Formula: Cr(OH)SO₄
Basic Chromium Sulphate Manufacturers, Basic Chromium Sulphate Suppliers, Basic Chrome Sulphate Powder, BCS Chemical, Basic Chromium Sulphate Price, Basic Chromium Sulphate Exporter in Mumbai, India.
Vinipul Chemicals Pvt. Ltd. is an established manufacturer, supplier and exporter of high-quality Basic Chromium Sulphate in India. Also known as Basic Chrome Sulphate or BCS, the product is primarily supplied as a chrome tanning agent for the leather-processing industry.
We offer Basic Chromium Sulphate with controlled chromium oxide content, basicity, solubility, moisture and physical characteristics according to the agreed commercial specification. The product is suitable for tanneries, leather-processing units, chemical manufacturers and other industrial buyers requiring a reliable chromium(III)-based chemical.
Our Basic Chromium Sulphate is generally supplied as a fine, free-flowing green powder designed for convenient preparation of chrome tanning liquors. Proper control of Cr₂O₃ content, basicity and unwanted insoluble matter is important for predictable penetration, chrome exhaustion and leather performance.
Customers looking for a Basic Chromium Sulphate manufacturer in India, Basic Chrome Sulphate supplier in Mumbai or bulk BCS exporter can contact Vinipul Chemicals for the product specification, Certificate of Analysis, Safety Data Sheet, packaging options, price and delivery schedule.
What Is Basic Chromium Sulphate?
Basic Chromium Sulphate is an inorganic chromium(III)-based chemical primarily used as a tanning agent in the leather industry. It is commonly supplied as a green, spray-dried powder and is known commercially as Basic Chrome Sulphate or BCS.
The term “basic” refers to the partial replacement of sulphate groups in the chromium complex by hydroxyl groups. The degree of this replacement is expressed as the product’s basicity. Basicity is an important performance parameter because it influences chrome penetration, fixation, exhaustion and interaction with the collagen fibres present in hides and skins.
Commercial Basic Chromium Sulphate is not always represented by one single fixed molecular structure. Depending on the manufacturing process and required tanning performance, it may contain chromium hydroxide sulphate complexes together with sodium sulphate and controlled quantities of other process-related components.
During chrome tanning, chromium(III) complexes penetrate the prepared hide or skin and form coordination bonds with collagen. This stabilises the collagen structure and helps produce leather with improved thermal stability, flexibility, strength and resistance to biological deterioration.
The product is widely used in the production of wet-blue leather and in tanning processes for footwear leather, garment leather, upholstery leather, automotive leather, gloves, bags and other finished leather products.
Basic Chromium Sulphate Specification
Specifications
| Specification | Details |
| Specification No. | Available on request |
| Product Name | Basic Chromium Sulphate |
| CAS No. | 12336-95-7 |
| EC Number | 235-595-8 |
| Commercial Abbreviation | BCS |
| Chemical Name | Chromium Hydroxide Sulphate |
| Commercial Names/Synonyms | Basic Chrome Sulphate, Basic Chromic Sulphate, Chromium Sulphate Basic, Chrome Tanning Salt |
| Representative Formula | Cr(OH)SO₄ |
| Composition | Basic chromium(III) sulphate/hydroxide sulphate, generally with sodium sulphate in commercial tanning grades |
| Grade | Leather Tanning / Technical / Industrial Grade |
| Physical Form | Fine, free-flowing powder |
| Physical Appearance | Green to dark-green powder |
| Chromium Oxide as Cr₂O₃ | Typically 25.0% minimum or as per agreed specification |
| Basicity | Typically 32%–34% |
| pH | As per approved product specification |
| Water-Insoluble Matter | Controlled as per agreed specification |
| Iron Content | Controlled as per agreed specification |
| Moisture | Controlled as per agreed specification |
| Solubility | Soluble or dispersible in water under recommended preparation conditions |
| Packaging Details | HDPE-lined bags or as agreed with the buyer |
| Storage | Store tightly closed in a cool, dry and ventilated area |
| Documentation | COA, SDS/MSDS and technical documents available with supply |
Important: Basic Chromium Sulphate is commercially produced in different compositions and basicity levels. The representative formula should not be interpreted as defining every commercial BCS product. Final parameters shall be governed by the approved specification and batch Certificate of Analysis.
Basic Chromium Sulphate Price
The Basic Chromium Sulphate price per kilogram depends on the chromium oxide content, basicity, purity, product grade, order quantity, packaging, raw-material costs and delivery destination.
Vinipul Chemicals provides requirement-based prices for tannery production, recurring industrial supply and export orders.
| Product | Price |
| Basic Chromium Sulphate | Contact us for the latest price |
Properties of Basic Chromium Sulphate
Basic Chromium Sulphate is selected for leather tanning because of its chromium(III) content, controlled basicity and ability to interact with collagen under suitable process conditions.
01. Green Powder Appearance
Basic Chromium Sulphate is generally supplied as a green to dark-green powder. The shade may vary slightly according to composition, hydration, processing conditions and product grade.
02. Chromium Oxide Content
The active chrome content is commonly expressed as chromium oxide, or Cr₂O₃. Consistent Cr₂O₃ content helps tannery operators calculate product dosage and maintain better process control.
03. Controlled Basicity
Commercial leather-tanning grades are commonly supplied at approximately 33% basicity. Basicity affects penetration, fixation and the tanning behaviour of the chromium complexes.
Higher-basicity or application-specific products may also be supplied subject to technical evaluation and availability.
04. Water Compatibility
The product is designed for preparation in water under recommended tannery conditions. Water quality, temperature, agitation, concentration and preparation sequence can affect dissolution and liquor stability.
05. Collagen-Binding Ability
Chromium(III) complexes interact with reactive groups in collagen. Under controlled tanning conditions, this helps stabilise the hide structure and convert prepared hides and skins into durable leather.
06. Tanning Efficiency
Basic Chromium Sulphate provides effective chrome tanning when used with suitable pickling, pH control, float conditions, basification and process timing. Performance depends on the complete tannery formulation rather than the tanning salt alone.
07. Powder Handling
The spray-dried or finely powdered form assists storage, dosing and preparation. Appropriate dust control and personal protective equipment should be used while opening, transferring or mixing the product.
08. Batch Consistency
Control of chromium content, basicity, moisture, insoluble matter and other specified parameters supports more consistent tannery operations and finished-leather quality.
Properties of Basic Chromium Sulphate
Basic Chromium Sulphate is selected for leather tanning because of its chromium(III) content, controlled basicity and ability to interact with collagen under suitable process conditions.
Basic Chromium Sulphate is generally supplied as a green to dark-green powder. The shade may vary slightly according to composition, hydration, processing conditions and product grade.
The active chrome content is commonly expressed as chromium oxide, or Cr₂O₃. Consistent Cr₂O₃ content helps tannery operators calculate product dosage and maintain better process control.
Commercial leather-tanning grades are commonly supplied at approximately 33% basicity. Basicity affects penetration, fixation and the tanning behaviour of the chromium complexes.
The product is designed for preparation in water under recommended tannery conditions. Water quality, temperature, agitation, concentration and preparation sequence can affect dissolution and liquor stability.
Chromium(III) complexes interact with reactive groups in collagen. Under controlled tanning conditions, this helps stabilise the hide structure and convert prepared hides and skins into durable leather.
Basic Chromium Sulphate provides effective chrome tanning when used with suitable pickling, pH control, float conditions, basification and process timing. Performance depends on the complete tannery formulation rather than the tanning salt alone.
The spray-dried or finely powdered form assists storage, dosing and preparation. Appropriate dust control and personal protective equipment should be used while opening, transferring or mixing the product.
Control of chromium content, basicity, moisture, insoluble matter and other specified parameters supports more consistent tannery operations and finished-leather quality.
The chemical formula of magnesium sulfate anhydrous is MgSO4, indicating the presence of one magnesium (Mg) ion, one sulfur (S) ion, and four oxygen (O) ions.
Applications of Basic Chromium Sulphate
1. Leather Tanning Industry
The principal application of Basic Chromium Sulphate is chrome tanning of hides and skins.
It is used in the production of:
- Wet-blue leather
- Cow and buffalo leather
- Goat and sheep leather
- Footwear upper leather
- Garment leather
- Upholstery leather
- Automotive leather
- Glove leather
- Bag and accessory leather
- Belt leather
- Industrial leather
- Suede and nubuck leather
- Finished leather for consumer goods
The required product dosage depends on hide weight, leather type, process design and target chrome content.
2. Wet-Blue Leather Production
Basic Chromium Sulphate is widely used in the conversion of pickled hides and skins into wet-blue leather. During this process, chrome complexes penetrate the hide and are subsequently fixed through controlled basification. Proper tanning produces a characteristic blue-green cross-section and improves the stability of the collagen structure.
Wet-blue leather may later undergo:
- Splitting
- Shaving
- Neutralisation
- Retanning
- Dyeing
- Fatliquoring
- Drying
- Finishing
3. Footwear Leather Manufacturing
Basic Chrome Sulphate is used in leather intended for:
- Shoe uppers
- Safety footwear
- Formal footwear
- Casual footwear
- Sandals
- Boots
- Leather linings
- Selected sole and component applications
Chrome tanning helps produce leather with flexibility, strength and process adaptability required by footwear manufacturers.
4. Garment and Glove Leather
The product is used in tanning processes for soft and flexible leather required for:
- Leather jackets
- Fashion garments
- Industrial gloves
- Fashion gloves
- Protective gloves
- Soft leather accessories
Finished properties depend on the complete tanning, retanning, dyeing and fatliquoring formulation.
5. Upholstery and Automotive Leather
Basic Chromium Sulphate may be used in the manufacture of leather for:
- Furniture upholstery
- Automotive seating
- Vehicle interiors
- Decorative interior panels
- Transport seating
- Premium leather furnishings
Such applications require carefully controlled tanning, finishing, colour consistency, physical testing and compliance with customer specifications.
6. Leather Retanning and Chrome Adjustment
Depending on the process design, chromium-based tanning agents may be used in selected retanning or chrome-adjustment operations.
The purpose may include:
- Improving chrome distribution
- Supporting shrinkage-temperature targets
- Adjusting leather character
- Improving process uniformity
- Preparing leather for subsequent operations
The suitability and dosage must be determined by a qualified leather technologist.
7. Manufacture of Chromium Compounds
Basic Chromium Sulphate may serve as a chromium(III)-containing raw material in selected industrial chemical processes.
Potential uses include:
- Manufacture of specialised chromium salts
- Preparation of chromium-based intermediates
- Industrial research and development
- Selected pigment or colour formulations
- Technical chemical processing
The required grade must be confirmed according to the manufacturing process and impurity limits.
8. Textile and Dyeing Applications
Chromium sulphate-based compounds may be used in selected textile, dyeing and mordanting processes where a chromium(III) salt is technically suitable.
Applications must be assessed according to:
- Fibre type
- Dye system
- Product purity
- Shade requirement
- Wastewater treatment
- Applicable regulations
- Restricted-substance requirements
9. Ceramics, Pigments and Speciality Formulations
Basic chromium compounds may be used in selected ceramic, pigment, colour or speciality chemical formulations.
Final suitability depends on:
- Chromium content
- Composition
- Particle characteristics
- Solubility
- Colour requirement
- Firing conditions
- Presence of sodium sulphate
- Permitted impurity limits
A leather-tanning grade should not automatically be considered suitable for ceramic, pigment or speciality applications without technical evaluation.
Prices shown above are provisional prices and may change due to different market conditions for latest prices
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About Vinipul Chemicals
Vinipul Chemicals Pvt. Ltd. is a Mumbai-based manufacturer, supplier and exporter of industrial, inorganic and speciality chemicals.
The company serves buyers from leather processing, chemicals, textiles, dyes, pigments, pharmaceuticals, water treatment, rubber, paints, agriculture and other industrial sectors.
Our team evaluates the customer’s product specification, application, quantity, packaging, documentation and delivery destination before preparing the technical and commercial offer.
Product documentation such as the Certificate of Analysis, Safety Data Sheet and Technical Data Sheet may be provided according to the product, customer requirement and agreed supply terms.
Vinipul Chemicals serves customers throughout India and supports export enquiries from the Middle East, Asia, Africa and other international markets.
Industries We Serve
Basic Chromium Sulphate Supplier in India
Vinipul Chemicals supplies Basic Chromium Sulphate to tannery and industrial buyers across India, subject to specification, quantity, product availability, applicable transport conditions and commercial terms.
We support enquiries from:
Maharashtra, Gujarat, Rajasthan, Madhya Pradesh, Karnataka, Tamil Nadu, Telangana, Andhra Pradesh, Kerala, Uttar Pradesh, West Bengal, Punjab, Haryana, Delhi, Uttarakhand, Bihar, Jharkhand, Odisha, Chhattisgarh, Assam and other Indian states.
Major leather and industrial markets served may include:
Mumbai, Navi Mumbai, Taloja, Thane, Pune, Ahmedabad, Vadodara, Bharuch, Ankleshwar, Vapi, Chennai, Ranipet, Vaniyambadi, Ambur, Erode, Dindigul, Kolkata, Kanpur, Unnao, Agra, Jalandhar, Hyderabad, Bengaluru, Delhi NCR
Delivery availability is confirmed according to order quantity, packaging, route and transport requirements.
Basic Chromium Sulphate Exporter From India
Vinipul Chemicals supports export enquiries for Basic Chromium Sulphate according to the required grade, Cr₂O₃ content, basicity, quantity, packaging, documentation and destination-country regulations.
Basic Chromium Sulphate Supply to Gulf and Middle East Markets
We welcome enquiries from:
United Arab Emirates, Saudi Arabia, Oman, Qatar, Kuwait, Bahrain, Jordan and other Middle Eastern markets.
Basic Chromium Sulphate Supply to Asian Markets
We welcome enquiries from:
Bangladesh, Sri Lanka, Nepal, Pakistan, Vietnam, Indonesia, Malaysia, Thailand, Singapore and other Asian markets.
Basic Chromium Sulphate Supply to African Markets
We welcome enquiries from:
South Africa, Kenya, Tanzania, Ethiopia, Nigeria, Ghana, Egypt, Morocco, Uganda and other African markets.
Disclaimer : – The information on this page is provided for general product-identification, industrial and commercial-enquiry purposes.
Basic Chromium Sulphate composition and performance may vary according to the manufacturing process, product grade, chromium content, basicity and agreed specification. The representative formula does not describe every chromium complex present in a commercial tanning product.
Final product parameters shall be governed by the approved quotation, specification, Certificate of Analysis and Safety Data Sheet.
Customers are responsible for evaluating the product’s suitability for their leather, chemical or manufacturing process through laboratory and production trials.
Vinipul Chemicals does not guarantee finished-leather performance because results also depend on raw hide quality, pickling, pH, water, dosage, drum conditions, basification, retanning, finishing and process control.
The product is intended for professional industrial use. Handling, storage, transportation, wastewater treatment and disposal must comply with the current SDS and applicable local, national and destination-country regulations.