Basic chromic sulfate



Basic chromic sulfate

lassification: Sulphate
CAS No.: 39380-78-4
Place of Origin: Gujarat, India
Purity: 25.5% Cr2o 3
Application: Leather Tanning Industry
Model Number: Bronze 33
Chemical Formula: CrOHSO4
Hs code: 32029090
Type: Basic Chrome Sulphate
Other Names: Chromium (iii) Sulphate Basic
EINECS No.: 235-595-8
Grade Standard: Industrial Grade, Leather Industrial Grade
Appearance: Green Color, Fine free flowing, Dark Green Color Powder
Product: Basic Chromium Sulphate
CAS No: 39380-78-4
Molecular Mass: 343.208 g/mol


Chemical Properties
Description Units Specifications
Chromium Oxide Content as Cr 2 O 3 % Min 26
Basicity % 33
pH (10% solution) -- 3
Chromium (VI) ppm Nil
Moisture content % Max 6
Water Insoluble matter % Max 0.1
Fe as Fe 2 O 3 % Max 0.1


1.Basic Chromium Sulfate is mainly used in tanning of processing leather industry or synthesis of other chromium based re-tanning agents and production of chromic compound.

2.It is also used in dyeing of khaki cloth and in manufacture of chrome-based dyestuffs.

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.


It is not toxic and need not special treating or handing. Store in dry area with cover and avoid sunlight and moisture.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


1kg/bag, 25kgs/drum Two plastic-bags inside and Paper-drums or per customer's requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Basic chromic sulfate picture

Packaging and shipping

Honor Certificate

Professional team