Benzenesulfonic acid

Hexafluoropropylene oxide


Benzenesulfonic acid paramete

CAS No.:98-11-3
Place of Origin:Shandong, China
Model Number:ELLEN
Appearance:White Crystal, White Crystal
Assay %:99.5
Other Names:Benzenesulfonic acid
EINECS No.:202-638-7
Type:Pharmaceutical Intermediates, Syntheses Material Intermediates
Brand Name:Lookchemical
Application:Organic Synthesis
Product name:Benzenesulfonic acid
Free acid %:0.4


 Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug
StandardMedical standard
Shelf life2 years
 Storage should be stored in a well-closed container at low temperature, keep away from moisture, heat and light.
Test ItemStandard: USP
IdentificationIR spectrum similar to that of RS
HPLC retention time similar to that of RS
Related substanceTotal impurities: NMT0.3%
Single impurity: NMT0.1%
Heavy metalsNMT 10ppm
Loss on dryingNMT0.5%
Residue on ignitionNMT0.1%



1.It is mainly used for the production of phenol by alkali fusion, also used for the production of resorcinol, etc. It is often used as catalyst in esterification and dehydration reactions

2.As an experimental reagent and catalyst, also used in organic synthesis and phenol manufacture

3.Test ammonium and potassium salts. Determination of zinc. Organic synthesis. Production of phenol, resorcinol. The catalyst. It can be used as dehydration catalyst, resin curing agent, electroplating additive and dye intermediate.

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.


H290 (14.17%): May be corrosive to metals [Warning Corrosive to Metals]

H302 (39.9%): Harmful if swallowed [Warning Acute toxicity, oral]

H314 (85.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]


Ventilated low temperature drying, and store separately with the warehouse food raw materials


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.



Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Benzenesulfonic acid picture

Packaging and shipping

Honor Certificate

Professional team