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Heterocyclic building blocks

Morpholin-4-ol

Also known as 4-Hydroxymorpholine, Morpholine, 4-hydroxy-, 4-Hydroxymorphorine

CAS 5765-63-9Formula C4H9NO2Molar mass 103.12 g/molEC 867-547-2
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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Morpholin-4-ol chemical structure, C4H9NO2, CAS 5765-63-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5765-63-9
Formula
C4H9NO2
Molar mass
103.12 g/mol
EC number
867-547-2
HS code
293499
Category
Heterocyclic building blocks

What is Morpholin-4-ol?

Plain description, key identifiers and synonyms

Morpholin-4-ol is a chemical substance with the molecular formula C4H9NO2 and a molar mass of 103.12 g/mol. Its CAS registry number is 5765-63-9. The IUPAC name is 4-hydroxymorpholine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-hydroxymorpholine
CAS number
5765-63-9 CAS number cross-checked
EC number
867-547-2
Molecular formula
C4H9NO2
MDL number
MFCD31915471
InChIKey
OURXRFYZEOUCRM-UHFFFAOYSA-N
InChI
InChI=1S/C4H9NO2/c6-5-1-3-7-4-2-5/h6H,1-4H2
SMILES (canonical and isomeric)
C1COCCN1O

Synonyms

  • 4-Hydroxymorpholine
  • Morpholine, 4-hydroxy-
  • 4-Hydroxymorphorine
  • morpholol
  • Morpholinol
  • N-hydroxymorpholine

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
103.12 g/molcalc.
Exact mass
103.0633 Dacalc.
LogP (octanol/water)
-0.29calc.
Topological polar surface area
32.7 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1COCCN1

C1COCCN1

1 ring, 6 atoms, the Morpholine ring system.

5,994 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (20)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Morpholin-4-ol suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • ChemPh
    Unclaimed profile
    MorpholinolGrade, purity and minimum order on request
    Price on request
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Where suppliers are based

1 supplier in 0 countries

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Morpholin-4-ol price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Morpholin-4-ol is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Morpholin-4-ol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Morpholin-4-ol, based on the data on this page

What is Morpholin-4-ol?

Morpholin-4-ol is a chemical substance with the molecular formula C4H9NO2 and a molar mass of 103.12 g/mol. Its CAS registry number is 5765-63-9. The IUPAC name is 4-hydroxymorpholine.

What is the CAS number of Morpholin-4-ol?

The CAS registry number of Morpholin-4-ol is 5765-63-9.

What is the molecular formula and weight of Morpholin-4-ol?

The molecular formula of Morpholin-4-ol is C4H9NO2 and its molar mass is 103.12 g/mol.

What is Morpholin-4-ol used for?

Known uses and roles of Morpholin-4-ol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Morpholin-4-ol hazardous?

Morpholin-4-ol carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Morpholin-4-ol?

Morpholin-4-ol is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Morpholin-4-ol?

CompoundList lists 1 supplier of Morpholin-4-ol. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Morpholin-4-ol?

Suppliers quote Morpholin-4-ol on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Morpholin-4-ol

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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