Molekula
N-Ethyl-o-toluenesulfonamide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-Ethyl-o-toluenesulfonamide is a sulfonamide compound used as an intermediate in organic synthesis, particularly in pharmaceutical and agrochemical manufacturing. It also serves as a plasticizer for polyamides, cellulose acetate and gasoline-resistant coatings, typically blended with its para isomer. It appears as a white to off-white crystalline solid. CAS: 1077-56-1, Molecular Formula: C9H13NO2S, Molecular Weight: 199.27 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies N-Ethyl-o-toluenesulfonamide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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1 g — $292.00 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow oily liquid |
| Identification | Conforms to reference |
| Assay | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 4.15 mmHg at 77 °F |
Source: PubChem CID 14110 (CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 89966862 |
| CAS Number | 1077-56-1 |
| IUPAC Name | N-ethyl-2-methylbenzenesulfonamide |
| EC Number | 214-073-3 |
| Molecular Formula | C6H4(CH3)SO2NHCH2CH3 |
| Molecular Weight | 199.27 |
| Exact Mass | 199.0667 |
| SMILES | CCNS(=O)(=O)C1=CC=CC=C1C |
| InChIKey | NATWUQFQFMZVMT-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H13NO2S/c1-3-10-13(11,12)9-7-5-4-6-8(9)2/h4-7,10H,3H2,1-2H3 |
| PubChem CID | 14110 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2935.90.7500 |
| Tariff Code | 2935909099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302+312 Harmful if swallowed or in contact with skin
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Benzenesulfonamide, N-ethyl-2-methyl-
- n-e-o/ptsa
- N-ethyl-2-methylbenzene-1-sulfonamide
- N-Ethyl-2-methylbenzenesulfonamide
- N-Ethyl-2-toluenesulfonamide
- N-Ethyltoluene-2-sulphonamide
- NATWUQFQFMZVMT-UHFFFAOYSA-N
- O-TOLUENE ETHYL SULFONAMIDE
- o-Toluenesulfonamide, N-ethyl-
- Uniplex 108
Frequently asked questions
What is N-Ethyl-o-toluenesulfonamide used for?
It is primarily used as a reagent in organic synthesis, particularly in the preparation of sulfonamide derivatives and as an intermediate in pharmaceutical and agrochemical manufacturing. It is also used as a plasticizer for polyamides, cellulosics and resins, often as a mixture of the ortho and para isomers.
What is the chemical formula and molecular weight of N-Ethyl-o-toluenesulfonamide?
The formula is C6H4(CH3)SO2NHCH2CH3 with a molecular weight of 199.27 g/mol.
How should N-Ethyl-o-toluenesulfonamide be stored?
It should be stored at ambient temperature, protected from moisture and light, in a tightly sealed container.
What grade is available for N-Ethyl-o-toluenesulfonamide?
It is available in technical grade; custom purity levels may be requested for specific applications.
Can Molekula supply N-Ethyl-o-toluenesulfonamide in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of N-Ethyl-o-toluenesulfonamide?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.