p-Xylene-2-sulfonic acid hydrate
p-Xylene-2-sulfonic acid hydrate (CAS: 609-54-1) is a sulfur-containing organic compound with the empirical formula C8H10O3S · xH2O and a molecular weight of 186.23 g/mol (anhydrous basis). This chemical serves as a valuable reagent, particularly noted for its application in the determination of serum cholesterol. It is supplied by Tech Serve Solutions with an assay of ≥98%, suitable for various chemical synthesis and research applications.
- IUPAC
- 2,5-Dimethylbenzenesulfonic acid
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Serum Cholesterol Determination
p-Xylene-2-sulfonic acid hydrate is employed as a reagent in biochemical assays for quantifying cholesterol levels in serum samples. Its specific chemical properties facilitate accurate and reliable cholesterol measurements.
Organic Synthesis Intermediate
As a sulfonic acid derivative, this compound can function as a building block in organic synthesis. It is used in the preparation of more complex molecules within research and development settings.
Laboratory Reagent
This chemical is utilised in laboratory settings for various analytical and synthetic procedures. Its consistent purity makes it a dependable choice for researchers and scientists.
| Molecular weight | 186.23 (anhydrous basis) |
|---|---|
| Empirical formula | C8H10O3S · xH2O |
| Assay | ≥98% |
| Application | Reagent for serum cholesterol determination. |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is p-Xylene-2-sulfonic acid hydrate used for?
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p-Xylene-2-sulfonic acid hydrate is primarily used as a reagent for serum cholesterol determination and as a building block in organic synthesis.
What is the CAS number and formula for p-Xylene-2-sulfonic acid hydrate?
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The CAS number for the anhydrous form is 609-54-1. The empirical formula is C8H10O3S · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies p-Xylene-2-sulfonic acid hydrate with an assay of ≥98%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should p-Xylene-2-sulfonic acid hydrate be handled safely?
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p-Xylene-2-sulfonic acid hydrate is classified as a Warning (GHS07) substance. It causes skin irritation (H315) and serious eye irritation (H319). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do, and continue rinsing (P305 + P351 + P338).
Is p-Xylene-2-sulfonic acid hydrate a controlled substance?
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Based on the provided data, p-Xylene-2-sulfonic acid hydrate is not listed as a controlled substance.
How is p-Xylene-2-sulfonic acid hydrate packed and shipped?
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Tech Serve Solutions packs and exports chemicals according to international shipping regulations. Please contact us for specific packaging and shipping details for your region.
How can I request a sample or quote for p-Xylene-2-sulfonic acid hydrate?
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To request a sample or a quote, please use the 'Request Sample' or 'Request Quote' buttons on the product page, or contact our sales team directly.
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