1. Product Description
Benzenesulfonic acid, a strong organic sulfonic acid, is widely utilized in pharmaceuticals, dyes, water treatment, and industrial catalysis. Available as a white to light-yellow crystalline powder with purity grades of 99%, 98%, 95%, and 93%, it offers versatility for diverse industrial requirements. Its high solubility in water, ethanol, and ether ensures efficient reactivity as a key intermediate.
2. Technical Specifications
Chemical Formula:CHSOH
CAS No.: 26158-00-9
Melting point: 42-49 °C
Flash point: 53 °C
Density: 1.32 g/cm³ (monohydrate)
Purity: 99%, 98%, 95%, 93%
Appearance: White to light-yellow powder
Storage Conditions :Cool, dry place; avoid alkalis
Solubility: easily soluble in water and ethanol, slightly soluble in benzene, insoluble in non-polar solvents such as ether
Stability: highly hygroscopic, need to be stored away from light and moisture; avoid contact with strong oxidants, acids, and alkalis
| Item |
Specification |
| Appearance |
white crystal |
| Assay,% |
≥99.00 |
| Dissociative acid,% |
≤1.00 |
3. Packaging Options
40Kg/Drum: Ideal for R&D or small-scale production.
50Kg/Drum: Standard bulk packaging for industrial procurement.
250Kg/Drum: Cost-effective solution for large-volume orders.
4. Key Advantages
Multiple Purity Grades: 99% for pharmaceutical synthesis; 93%-95% for industrial catalysis.
Stable Quality: Hygroscopicity-controlled packaging to prevent caking.
Customization: Tailored purity, packaging, and logistics (DDP/DAP available).
Global Compliance: Meets REACH, ISO 9001:2015, and other international standards.
5. Applications
Pharmaceuticals: Intermediate for antibiotics, antiviral drugs, and sulfonamides.
Dye Manufacturing: Acid dye synthesis and textile auxiliaries.
Water Treatment: Functional group source for ion-exchange resins.
Catalysis: Acid catalyst in esterification and alkylation reactions.
Polymer Production: Used in sulfonation processes for specialty polymers.
6. Quality Assurance
Batch-specific Certificate of Analysis (COA) provided.
Dual testing via HPLC and titration for purity verification.
Strict adherence to ISO 9001:2015 quality management protocols.
7. Logistics & Safety
Shipped as non-hazardous goods with UN-certified packaging.
Storage: ≤25°C, away from light and moisture (24-month shelf life).
MSDS/SDS available upon request.
Why us?
Our Advantages
1. Quick Response:
Professional and enthusiastic sales teams will respond to your inquiry carefully and timely. Sales personnel have the foundation of the chemical industry and international trade so you are professional and respected for each communication experience.
2.Superior Quality:
More than 24 years of experience in the chemical industry
Quality inspectors of chemical engineering strictly control the quality of each order. Support third -party inspection before delivery.
3. Fast Delivery:
Professional production equipment and reasonable production plans to ensure that orders are delivered quickly and timely.
FAQ
1. Can I get samples?
Yes, free samples are available. Only need to pay for shipping.
Samples will usually be sent out within 1-3 working days.
2. Do you accept customized orders?
Yes, both product and package can be customized.
3. What is the payment terms?
TT, LC, DP are available.
Please note that OME orders require payment prior to shipment.
4. What is the lead time for mass production?
Delivery time depends on product type and quantity.
Our company has a digital ordering system to ensure scientific and reasonable scheduling of orders, please consult the sales staff you contacted.
5. How to guarantee the product quality?
Sincere Industries has a complete raw material inspection, quality control and pre-factory inspection system to ensure that the order delivered to you is in line with the contract.
In addition, it also supports third-party inspection before shipment. If the inspection fails, the customer's payment will be refunded, and the loss caused by the breach of contract will be compensated.
6. How to check the order status after payment?
After the order is confirmed, the merchandiser will follow up every week and update the order status to you by email.
7. How to deal with after-sales problems?
The after-sales service implements the order responsibility system, and the salesman is the first responsible person for the order. The after-sales service department will set up a service team after receiving the complaint. They will complete the incident investigation and provide you with a resolution within 72 hours.
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