N-Methylhydroxylamine hydrochloride
N-Methylhydroxylamine hydrochloride (CAS: 4229-44-1), with the molecular formula CH₃NHOH·HCl and a molecular weight of 83.52 g/mol, is a white to off-white solid. This compound is primarily utilised as a building block in chemical synthesis. Its key application involves the construction of hydroxamate functional groups, which are significant for their ability to complex iron ions in various chemical processes. It is supplied by TSS with an assay of 98%.

Hydroxamate Synthesis
N-Methylhydroxylamine hydrochloride is employed in organic synthesis to form hydroxamate groups. These moieties are crucial for their strong chelating properties, particularly in binding metal ions like iron.
Chemical Building Block
As a versatile organic building block, this compound serves as a key reagent in the development of more complex molecules. Its structure facilitates its incorporation into diverse synthetic pathways.
Iron Complexation Research
The hydroxamate groups derived from N-Methylhydroxylamine hydrochloride are of significant interest in research related to iron complexation, finding applications in analytical chemistry and materials science.
| Molecular weight | 83.52 |
|---|---|
| Linear formula | CH3NHOH · HCl |
| Assay | 98% |
| Application | Used to construct hydroxamates, important functional groups for the complexation of iron.1 |
| Melting point | 86-88 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | White to off-white (Beige) solid |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is N-Methylhydroxylamine hydrochloride used for?
+
N-Methylhydroxylamine hydrochloride is primarily used to construct hydroxamates, which are important functional groups for the complexation of iron.
What is the CAS number and chemical formula for N-Methylhydroxylamine hydrochloride?
+
The CAS number is 4229-44-1 and the linear formula is CH₃NHOH·HCl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies N-Methylhydroxylamine hydrochloride with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling N-Methylhydroxylamine hydrochloride?
+
Handling requires appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. It is classified with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Ensure adequate ventilation and avoid breathing dust.
How is N-Methylhydroxylamine hydrochloride packed and shipped?
+
N-Methylhydroxylamine hydrochloride is typically supplied as a solid. We export globally and ensure appropriate packaging for safe transport according to international regulations.
How can I request a sample or quote for N-Methylhydroxylamine hydrochloride?
+
Please contact our sales team through the website or by phone to request a sample or a quotation for N-Methylhydroxylamine hydrochloride.
▶ Related products

3,4,5-Trimethoxybenzylamine
Organic Building Blocks

3,4-dihydroxyphenylacetone
Organic Building Blocks

3-Fluoro-4-methoxybenzonitrile
C8H6FNO
Organic Building Blocks
4-Ethyltoluene
C2H5C6H4CH3
Organic Building Blocks
Fluoroacetic acid
C2H3FO2
Organic Building Blocks
Methoxyacetaldehyde
C3H6O2
Organic Building Blocks
Methyl 4-acetamido-5-chloro-2-methoxybenzoate
Organic Building Blocks

Methyl 5-bromo-2-iodobenzoate
BrC6H3(I)CO2CH3
Organic Building Blocks▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis