4-Methylmorpholine N-oxide monohydrate
4-Methylmorpholine N-oxide monohydrate (CAS: 70187-32-5; Formula: C5H11NO2 · H2O) is a heterocyclic organic compound with a molecular weight of 135.16 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of morpholine derivatives. Its applications span research and development laboratories, contributing to the creation of novel compounds and advanced materials.

Organic Synthesis Intermediate
Utilised as a key intermediate in various organic synthesis pathways. Its structure facilitates the introduction of the 4-methylmorpholine N-oxide moiety into larger molecular frameworks.
Research and Development
A common reagent in academic and industrial R&D settings for exploring new chemical reactions and developing novel compounds with potential applications in pharmaceuticals and materials science.
Building Block for Heterocycles
Serves as a crucial building block for the synthesis of complex heterocyclic compounds, including morpholine-containing structures, which are prevalent in many biologically active molecules.
| Molecular weight | 135.16 |
|---|---|
| Empirical formula | C5H11NO2 · H2O |
| Assay | ≥95.0% (N) |
| Melting point | 71-75 °C |

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) | 1 |
| 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.
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 4-Methylmorpholine N-oxide monohydrate used for?
+
4-Methylmorpholine N-oxide monohydrate is primarily used as a building block in organic synthesis and in research and development for creating novel chemical compounds, particularly heterocyclic ones.
What is the CAS number and chemical formula for 4-Methylmorpholine N-oxide monohydrate?
+
The CAS number is 70187-32-5, and the chemical formula is C5H11NO2 · H2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Methylmorpholine N-oxide monohydrate with an assay of ≥95.0% (N). This product is typically supplied for research and industrial use and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 4-Methylmorpholine N-oxide monohydrate be handled?
+
Handle 4-Methylmorpholine N-oxide monohydrate with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
How is 4-Methylmorpholine N-oxide monohydrate packed and shipped?
+
4-Methylmorpholine N-oxide monohydrate is carefully packed according to international shipping regulations and exported globally by Tech Serve Solutions.
How can I request a sample or quote for 4-Methylmorpholine N-oxide monohydrate?
+
To request a sample or quote, please contact our sales team via the website or by phone, providing your specific requirements and shipping details.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ 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