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VAQORASulfur Compounds (Thiols, Sulfides, Sulfonates)Available on request
p-Toluenesulfonyl isocyanate, 96%
Synonyms: Tosyl isocyanate · p-Toluenesulphonyl isocyanate · 4-Methylbenzenesulfonyl isocyanate · Benzenesulfonyl isocyanate, 4-methyl-
CAS No.4083-64-1
FormulaC8H7NO3S
Mol. weight197.21
Catalogue No.VQ-010930
Purity96%
HSN29399900
p-Toluenesulfonyl isocyanate (CAS 4083-64-1) – organosulfur compound, 96%. C8H7NO3S, MW 197.21. Buy from Vaqora Chemicals with COA and worldwide shipping.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About p-Toluenesulfonyl isocyanate, 96%
Vaqora Chemicals supplies p-Toluenesulfonyl isocyanate, an organosulfur compound registered under CAS number 4083-64-1 with a typical assay of 96%. The compound has the formula C8H7NO3S, corresponding to a molecular weight of 197.21 g/mol. Systematically, it is named 4-methyl-N-(oxomethylidene)benzenesulfonamide. Common synonyms include Tosyl isocyanate and p-Toluenesulphonyl isocyanate.
The material typically appears as a colourless to light yellow liquid. Reported physical data include a melting point of -2 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.
It is commonly used for analytical determinations and organic synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.
Available in 100 g and 500 g packs, p-Toluenesulfonyl isocyanate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Analytical determinations
- Organic synthesis
Industries
Specifications & identifiers
| Product name | p-Toluenesulfonyl isocyanate, 96% |
|---|---|
| Catalogue No. | VQ-010930 |
| CAS Number | 4083-64-1 |
| IUPAC name | 4-methyl-N-(oxomethylidene)benzenesulfonamide |
| Molecular formula | C8H7NO3S |
| Molecular weight | 197.21 g/mol |
| Exact mass | 197.0147 |
| Purity / assay | 96% |
| HSN code | 29399900 |
| InChIKey | VLJQDHDVZJXNQL-UHFFFAOYSA-N |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)N=C=O |
| PubChem CID | 77703 |
| Physical form | Liquid |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Melting point | -2 °C |
| LogP (XLogP3) | 2.7 |
| H-bond donors / acceptors | 0 / 4 |
| TPSA | 72 Ų |
| Synonyms | Tosyl isocyanate, p-Toluenesulphonyl isocyanate, 4-Methylbenzenesulfonyl isocyanate, Benzenesulfonyl isocyanate, 4-methyl-, Additive ti, p-Tolylsulfonyl isocyanate, 4-methylbenzene-1-sulfonyl isocyanate, p-toluenesulfonylisocyanate, p-Toluenesulfonic acid, anhydride with isocyanic acid, p-Tosyl isocyanate, p-Methylphenylsulfonyl isocyanate, 4-Methylphenylsulfonyl isocyanate |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH334May cause allergy or asthma symptoms or breathing difficulties if inhaledH335May cause respiratory irritation
Precautionary statements: P233, P260, P261, P264, P264 + P265, P271, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P342 + P316, P362 + P364, P403, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of p-Toluenesulfonyl isocyanate, 96%?
The CAS Registry Number of p-Toluenesulfonyl isocyanate, 96% is 4083-64-1. It is also known as Tosyl isocyanate, p-Toluenesulphonyl isocyanate, 4-Methylbenzenesulfonyl isocyanate.
What is the molecular formula and molecular weight of p-Toluenesulfonyl isocyanate, 96%?
p-Toluenesulfonyl isocyanate, 96% has the molecular formula C8H7NO3S and a molecular weight of 197.21 g/mol. Its IUPAC name is 4-methyl-N-(oxomethylidene)benzenesulfonamide.
Which grade and pack sizes of p-Toluenesulfonyl isocyanate, 96% can I order?
We supply p-Toluenesulfonyl isocyanate, 96% in (96%) grade, in 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with p-Toluenesulfonyl isocyanate, 96%?
Yes. Every lot of p-Toluenesulfonyl isocyanate, 96% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can p-Toluenesulfonyl isocyanate, 96% be shipped internationally?
Yes. p-Toluenesulfonyl isocyanate, 96% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about p-Toluenesulfonyl isocyanate, 96%
We reply within one business day with price, pack options, lead time and documentation.
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