4-Methylmorpholine N-oxide monohydrate - ≥98% , CAS No.70187-32-5

CAS: 70187-32-5 Cat. No.: M123105 Molecular Weight: 135.16 Beilstein Registry Number: 507437 EC Number: 676-991-4

GRADE & PURITY ≥98%

Synonyms

N-methylmorpholine oxide monohydrate | N-Methylmorpholine N-oxide monohydrate | 4-Methylmorpholine 4-oxide monohydrate | 4-methylmorpholine oxide monohydrate

Storage

Store at 2-8°C,Argon charged

Shipped In

Wet ice

Overview

4-Methylmorpholine N-oxide (MNO) monohydrate can be used:As a reagent in the dihydroxylation and aminohydroxylation of olefins in the presence of osmium tetroxide (OsO4) catalyst.In the selective oxidation of sulphides to sulfoxides or sulfones in the presence of manganese and copper complexes with tetradentate ligands.

Specifications

Synonyms

N-methylmorpholine oxide monohydrate | N-Methylmorpholine N-oxide monohydrate | 4-Methylmorpholine 4-oxide monohydrate | 4-methylmorpholine oxide monohydrate

Specifications & Purity

≥98%

Storage

Store at 2-8°C, Argon charged

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥98%

Names and Identifiers

• Pubchem Sid: 488192256
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488192256
• Canonical Smiles: C[N+]1(CCOCC1)[O-].O
• IUPAC Name: 4-methyl-4-oxidomorpholin-4-ium;hydrate
• InChIKey: WAZPLXZGZWWXDQ-UHFFFAOYSA-N
• INCHI: 1S/C5H11NO2.H2O/c1-6(7)2-4-8-5-3-6;/h2-5H2,1H3;1H2
• Isomeric SMILES: C[N+]1(CCOCC1)[O-].O
• WGK Germany: 1
• Alternate CAS: 80913-66-2
• Molecular Weight: 135.16
• Beilstein: 507437
• Reaxy-Rn: 5449441
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5449441&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organoheterocyclic compounds
    • Class Oxazinanes
      • Subclass Morpholines

• Kingdom: Organic compounds
• Superclass: Organoheterocyclic compounds
• Class: Oxazinanes
• Subclass: Morpholines
• Intermediate Tree Nodes: Not available
• Direct Parent: Morpholines
• Alternative Parents: Trialkyl amine oxides Trisubstituted amine oxides and derivatives Oxacyclic compounds Dialkyl ethers Azacyclic compounds Organopnictogen compounds Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aliphatic heteromonocyclic compounds
• Substituents: Morpholine - Trialkyl amine oxide - N-oxide - Dialkyl ether - Ether - Trisubstituted n-oxide - Azacycle - Oxacycle - Organooxygen compound - Organic nitrogen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxygen compound - Organic oxide - Organopnictogen compound - Aliphatic heteromonocyclic compound
• Description: This compound belongs to the class of organic compounds known as morpholines. These are organic compounds containing a morpholine moiety, which consists of a six-member aliphatic saturated ring with the formula C4H9NO, where the oxygen and nitrogen atoms lie at positions 1 and 4, respectively.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water.
• Sensitivity: Hygroscopic
• Melt Point(°C): 73-76°C
• Molecular Weight: 135.160 g/mol
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 135.09 Da
• Monoisotopic Mass: 135.09 Da
• Topological Polar Surface Area: 28.300 Ų
• Heavy Atom Count: 9
• Formal Charge: 0
• Complexity: 78.500
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

References

1. Ruimin Hu, Tao Fan, Jinlong Yang, Hang Xiao, Yiping Liu, Ming Lu.  (2020)  Ultrasound and microwave technology for flake-TiO2 growth and immobilization on cotton fabrics in micro-dissolution process.  MATERIALS CHEMISTRY AND PHYSICS,      [PMID:] [10.1016/j.matchemphys.2020.123036]

2. Meiwen Zhang, Yuqian Guo, Yun cheng, Linghua chen, Leilei Hou, Xinyu Qian, Hongjie Zhang.  (2025)  Establishing the constitutive relationship between deep eutectic solvents pre-treatment extent, cellulose structure characteristics, and dissolution efficiency in lyocell processing.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:41218678] [10.1016/j.ijbiomac.2025.148944]

3. Meiwen Zhang, Yuqian Guo, Leilei Hou, Yun Cheng, Linghua Chen, Mengnan Cao, Hongjie Zhang.  (2026)  Microwave-assisted deep eutectic solvent pretreatment for enhanced dissolution efficiency of high-purity cellulose in N-methylmorpholine-N-oxide.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:] [10.1016/j.ijbiomac.2026.151105]