Molekula
N-Methylhydroxylamine hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-Methylhydroxylamine hydrochloride is a reagent used in organic synthesis, particularly in the formation of N-methyl nitrones from aldehydes and ketones, which serve as 1,3-dipoles in cycloadditions to give isoxazolidines, and of other nitrogen-containing compounds. It is a white to off-white crystalline solid, stable at ambient temperatures. CAS: 4229-44-1, Molecular Formula: CH3NHOH · HCl, Molecular Weight: 83.52 g/mol. Store at room temperature. Warning signal word applies. Molekula supplies N-Methylhydroxylamine hydrochloride 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
On backorder — expected to ship by 25 November 2026
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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5 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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25 g — £88.70 per pack ex VAT · £106.44 inc. VAT
Need a different quantity or pack?
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 | White crystalline powder |
| Assay HPLC | ≥97% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | Not regulated |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 44122644 |
| CAS Number | 4229-44-1 |
| IUPAC Name | N-methylhydroxylamine;hydrochloride |
| EC Number | 224-181-2 |
| Molecular Formula | CH3NHOH · HCl |
| Molecular Weight | 83.52 |
| Exact Mass | 83.0138 |
| SMILES | CNO.Cl |
| InChIKey | RGZRSLKIOCHTSI-UHFFFAOYSA-N |
| InChI | InChI=1S/CH5NO.ClH/c1-2-3;/h2-3H,1H3;1H |
| PubChem CID | 77906 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29280050 |
| Tariff Code | 2928009090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Hydroxylamine, N-methyl-, hydrochloride
- MeNHOH.HCl
- Methanamine, N-hydroxy-, hydrochloride
- Methanamine, N-hydroxy-, hydrochloride (1:1)
- Methylhydroxylamine hydrochloride
- Methylhydroxylammonium chloride
- N-Hydroxy-N-methylammonium chloride
- N-hydroxymethanamine hydrochloride
- N-METHYLHYDROXYLAMINE HCL
- N-Methylhydroxylammonium chloride
Frequently asked questions
What is N-Methylhydroxylamine hydrochloride used for?
It is primarily used as a reagent in organic synthesis, particularly in the formation of N-methyl nitrones from aldehydes and ketones for 1,3-dipolar cycloadditions to isoxazolidines, and of other nitrogen-containing compounds.
What is the chemical formula and molecular weight of N-Methylhydroxylamine hydrochloride?
The formula is CH3NHOH · HCl and the molecular weight is 83.52 g/mol.
How should N-Methylhydroxylamine hydrochloride be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for N-Methylhydroxylamine hydrochloride?
It is available in technical grade; specific higher grades may be available upon request.
Can Molekula supply N-Methylhydroxylamine hydrochloride in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact our sales team for details.
What documentation comes with an order of N-Methylhydroxylamine hydrochloride?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.