Molekula
N-Methyl-N-nitroso-p-toluenesulfonamide (Diazogen)
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-Methyl-N-nitroso-p-toluenesulfonamide, also known as Diazogen, is a nitrosoamine compound used primarily in organic synthesis as a precursor for generating diazomethane by base-induced decomposition. It is a crystalline solid with a molecular formula of C₈H₁₀N₂O₃S and a molecular weight of 214.24 g/mol. It must be stored at 2 to 8 °C and carries the signal word Danger because heating may cause a fire (H242), which marks it as a self-reactive substance. Molekula supplies N-Methyl-N-nitroso-p-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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £89.70 per pack ex VAT · £107.64 inc. VAT
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50 g — £143.90 per pack ex VAT · £172.68 inc. VAT
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100 g — £259.00 per pack ex VAT · £310.80 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light Yellow Solid |
| Purity (HPLC) | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 4.1 |
| Packing Group | (-) |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 62 °C |
| Vapour Pressure | 0.00000479 mmHg |
Source: PubChem CID 6628 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 30261311 |
| CAS Number | 80-11-5 |
| IUPAC Name | N,4-dimethyl-N-nitrosobenzenesulfonamide |
| EC Number | 201-252-6 |
| Molecular Formula | C₈H₁₀N₂O₃S |
| Molecular Weight | 214.24 |
| Exact Mass | 214.0412 |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)N(C)N=O |
| InChIKey | FFKZOUIEAHOBHW-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H10N2O3S/c1-7-3-5-8(6-4-7)14(12,13)10(2)9-11/h3-6H,1-2H3 |
| PubChem CID | 6628 |
| UN Number | UN3224 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2935.90.9500 |
| Tariff Code | 2935909099 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
Hazard statements
- H242 Heating may cause a fire
- H303 May be harmful if swallowed
- H312 Harmful in contact with skin
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P235 Keep cool
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P315 Get immediate medical advice/attention
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,4-dimethyl-N-nitroso-
- Diazald
- Diazale
- Diazalo
- N-Methyl-N-nitroso-p-toluenesulfonamide
- N-Methyl-N-nitrosotoluene-4-sulphonamide
- N-nitroso-N-methyl-4-toluenesulfonamide
- N,4-dimethyl-N-nitrosobenzenesulfonamide
- p-Toluenesulfonamide, N-methyl-N-nitroso-
- P-TOLYLSULFONYLMETHYLNITROSAMIDE
Frequently asked questions
What is N-Methyl-N-nitroso-p-toluenesulfonamide (Diazogen) used for?
It is primarily used as a reagent in organic synthesis, particularly as a precursor for generating diazomethane by base-induced decomposition and as a nitrosating agent in pharmaceutical and fine chemical manufacturing.
What is the chemical formula and molecular weight of Diazogen?
The formula is C₈H₁₀N₂O₃S and the molecular weight is 214.24 g/mol.
How should Diazogen be stored?
It should be stored at 2 to 8 °C, protected from light and moisture, and kept away from incompatible materials.
What grade of Diazogen does Molekula supply?
Molekula supplies Diazogen in technical grade, suitable for research and industrial applications.
Can Molekula supply Diazogen in bulk?
Yes, Molekula can supply Diazogen in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of Diazogen?
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.