4-(2-Chloroethyl)morpholine hydrochloride
4-(2-Chloroethyl)morpholine hydrochloride (CAS: 3647-69-6) is a halogenated heterocyclic building block with the molecular formula C6H12ClNO · HCl and a molecular weight of 186.08 g/mol. This compound serves as a versatile intermediate in organic synthesis, particularly within the pharmaceutical and chemical industries. Its structure allows for various chemical transformations, making it valuable for constructing more complex molecular architectures.
- IUPAC
- 2-Morpholinoethyl chloride hydrochloride
- Synonyms
- 2-Morpholinoethyl chloride hydrochloride4-(2-Chloroethyl)morpholine hydrochloride2-Morpholinoethyl chloride hydrochloride

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs). Its morpholine and chloroethyl functionalities are key structural elements in various drug candidates.
Organic Synthesis Reagent
A valuable building block for creating complex organic molecules. It is employed in research and development for novel compound discovery and synthesis.
Heterocyclic Chemistry
Serves as a precursor in the study and development of morpholine-based heterocycles, which are prevalent in medicinal chemistry.
| Molecular weight | 186.08 |
|---|---|
| Empirical formula | C6H12ClNO · HCl |
| Assay | ≥97.0% (AT) |
| Melting point | 180-185 °C (dec.)(lit.)180-185 °C (dec.) |


Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2923 8/PG 3 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T |
| Risk statements (R) | 21-25-34-43 |
| Safety statements (S) | 26-36/37/39-45 |
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-(2-Chloroethyl)morpholine hydrochloride used for?
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This compound is primarily used as a building block in organic synthesis, particularly for creating pharmaceutical intermediates and other complex organic molecules within chemical research and development.
What are the CAS number and molecular formula for 4-(2-Chloroethyl)morpholine hydrochloride?
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The CAS number is 3647-69-6, and the molecular formula is C6H12ClNO · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of ≥97.0% (AT). We do not represent this product as USP, BP, or EP grade.
How should 4-(2-Chloroethyl)morpholine hydrochloride be handled safely?
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This compound is classified as Danger. Hazards include toxicity if swallowed and in contact with skin, causes severe skin burns and eye damage, and may cause an allergic skin reaction (H301-H312-H314-H317). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used. Handle in a well-ventilated area.
How is 4-(2-Chloroethyl)morpholine hydrochloride packed and exported?
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As a specialist global supplier and exporter, Tech Serve Solutions ensures appropriate packaging and compliance with all regulations for international shipment. This material is regulated for transport as UN 2923, Hazard Class 8, Packing Group III.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales department via the website or direct email, providing the product name and CAS number (3647-69-6).
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