Molekula
N-Nitroso-N-methylurea
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-Nitroso-N-methylurea is a potent carcinogenic compound used primarily in research for studying DNA alkylation and mutagenesis. It is a yellow crystalline solid with a molecular formula of C2H5N3O2 and a molecular weight of 103.08 g/mol. Stored at -15 to -20 °C, it is classified as dangerous due to its toxicity and carcinogenicity. Molekula supplies N-Nitroso-N-methylurea 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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25 g — £382.20 per pack ex VAT · £458.64 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | off white to beige solid |
| Melting Point | 86 - 87 Deg C |
| Purity | >98% |
| LC-MS | Complies with structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Flash Point | 53 °C |
| Transport Class | 4.1 (6.1) |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 123 °C |
| Water Solubility | 14.4 g/L at 24 °C |
| Solubility (other solvents) | Soluble in ethanol, ether |
| Vapour Pressure | 0.02 mmHg |
| log P (octanol/water) | -0.03 |
Source: PubChem CID 12699 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 89994768 |
| CAS Number | 684-93-5 |
| IUPAC Name | 1-methyl-1-nitrosourea |
| EC Number | 211-678-4 |
| Molecular Formula | C2H5N3O2 |
| Molecular Weight | 103.08 |
| Exact Mass | 103.0382 |
| SMILES | CN(C(=O)N)N=O |
| InChIKey | ZRKWMRDKSOPRRS-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H5N3O2/c1-5(4-7)2(3)6/h1H3,(H2,3,6) |
| PubChem CID | 12699 |
| UN Number | UN2926 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2924.19.1150 |
| Tariff Code | 2924190090 |
Safety & GHS
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Flammable
GHS02
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H228 Flammable solid
- H301 Toxic if swallowed
- H350 May cause cancer
- H360 May damage fertility or the unborn child
Precautionary statements
- P201 Obtain special instructions before use
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get 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
- 1-Nitroso-1-methylurea
- Methylnitroso-harnstoff
- Methylnitrosourea
- Methylnitrosouree
- N-Methyl-N-nitroso-harnstoff
- N-Methyl-N-nitrosourea
- N-Nitroso-N-methylcarbamide
- SRI 859
- Urea, 1-methyl-1-nitroso-
- Urea, N-methyl-N-nitroso-
Frequently asked questions
What is N-Nitroso-N-methylurea used for?
It is primarily used as a research chemical in studies involving nitrosation and mutagenicity, but it is not intended for commercial or industrial applications due to its high toxicity.
What is the chemical formula and molecular weight of N-Nitroso-N-methylurea?
The formula is C2H5N3O2 with a molecular weight of 103.08 g/mol.
How should N-Nitroso-N-methylurea be stored?
It must be stored at temperatures between -15 to -20 °C to maintain stability and prevent decomposition.
What grade is available for N-Nitroso-N-methylurea?
It is available in research-grade purity; no commercial or technical grades are offered.
Can Molekula supply N-Nitroso-N-methylurea in bulk?
Bulk quantities are not available; it is supplied only in small, controlled research-scale amounts.
What documentation comes with an order of N-Nitroso-N-methylurea?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS), which detail purity, handling, and safety information.
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.