N-Methylmorpholine
High-quality chemical supplied by Jinan Shenghe Chemical Co., Ltd. Competitive pricing, reliable delivery, and full technical support for B2B buyers worldwide.
Specifications
| Molecular Formula | C5H11NO |
|---|---|
| Molecular Weight | 101.14844 |
| Melting Point | -66.1℃ |
| Boiling Point | 114.1°C at 760 mmHg |
| Flash Point | 23.9°C |
| Water Solubility | >500 g/L (20℃) |
| Vapor Pressure | 20.2mmHg at 25°C |
Detailed Chemical Properties & Synonyms
Physical & Chemical Properties
性状 有腐蚀性、微毒、有刺激性气味的液体，无色透明液体黏度(23℃) 2.3mPa・s沸程 111~117℃凝固点 -65~-66℃折射率(20℃) 1.4328~1.4337蒸气压(20℃) 2200Pa溶解性 溶于水，pKa=7.5。在空气中爆炸极限2.2%~11.8%，溶于有机溶剂，能与水、乙醇混溶
Applications / Uses
本产品溶于水、醇、醚，可用作人造丝的溶剂、腐蚀抑制剂，也用于橡胶促进剂和其它精细化学品的合成，还用作聚氨酯催化剂，合成氨基苄青霉素和羟基青霉素催化剂。用双氧化可制造N-甲基氧化吗啉。
Description
N-Methylmorpholine · CAS 109-02-4 · C5H11NO. UNII 11P91ANU5X. Boiling Point: 115 °C @760 [mm Hg]; Flash Point: 75 °F (NFPA, 2010); Flash Point: 75 °F.
Identification
| CAS Registry Number | 109-02-4 |
|---|---|
| PubChem CID | 7972 |
| Molecular formula | C5H11NO |
| IUPAC name | 4-methylmorpholine |
| UNII (FDA) | 11P91ANU5X |
Computed Descriptors
| Molecular Weight | 101.15 |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 101.084063974 |
| Monoisotopic Mass | 101.084063974 |
| Topological Polar Surface Area | 12.5 |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
Physical & Chemical Properties
| Boiling Point | 115 °C @760 [mm Hg] |
|---|---|
| Flash Point | 75 °F (NFPA, 2010) |
| Flash Point | 75 °F |
| Density | 0.9 @25 °C |
| Vapor Pressure | 13.2 [mmHg] |
| LogP | -0.33 |
| Dissociation Constants | 7.4 |
Physical description & handling notes
- 4-methylmorpholine appears as a water-white liquid with an ammonia-like odor. Less dense than water and insoluble in water. May be moderately toxic by ingestion, inhalation and skin absorption. Very irritating to skin, eyes, and mucous membranes. Used as a solvent and to make pharmaceuticals.
- Liquid
- A water-white liquid with an ammonia-like odor; [CAMEO]
Regulatory Status
| GHS notification summary | 2% (14 / 715) |
|---|
GHS Hazard Classification
| GHS notification summary | 2% (14 / 715) |
|---|---|
| Reported hazard statements | H225 (89.1%), H302 (94.5%), H312 (55.4%), H314 (98%), H318 (40.3%), H332 (38.7%) |
This chemical does not meet GHS hazard criteria for 2% (14 of 715) of reports.
H225 (89.1%): Highly Flammable liquid and vapor [Danger Flammable liquids]
Documented Uses
- Used as a solvent and to make pharmaceuticals. [CAMEO] Used in poyurethane foam production; [Reference #1]
- Plastic Composites Manufacturing [Category: Industry]
- 2023: 1,000,000 – <2,500,000 lb
- 2022: 1,000,000 – <2,500,000 lb
- 2021: 1,000,000 – <2,500,000 lb
- 2020: 1,000,000 – <2,500,000 lb
Synonyms
4-Methylmorpholine; N-METHYLMORPHOLINE; 109-02-4; Morpholine, 4-methyl-; 1-Methylmorpholine; DTXSID9029146; 11P91ANU5X; NSC-9382; DTXCID709146; RefChem:99901; 203-640-0; Methylmorpholine; N-methyl morpholine; Morpholine, N-methyl-; 4-Methylmorfolin; NSC 9382
Frequently Asked Questions
What are the CAS number and molecular formula of N-Methylmorpholine?
CAS 109-02-4; molecular formula C5H11NO; molecular weight — g/mol.
What other names is N-Methylmorpholine known by?
4-Methylmorpholine, N-METHYLMORPHOLINE, 109-02-4, Morpholine, 4-methyl-, 1-Methylmorpholine, DTXSID9029146.
Is N-Methylmorpholine classified as hazardous?
2% of GHS notifications report no hazard classification (14 of 715).
What are the key physical properties of N-Methylmorpholine?
Boiling Point: 115 °C @760 [mm Hg]; Flash Point: 75 °F (NFPA, 2010); Flash Point: 75 °F; Density: 0.9 @25 °C.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.
Applications
本产品溶于水、醇、醚，可用作人造丝的溶剂、腐蚀抑制剂，也用于橡胶促进剂和其它精细化学品的合成，还用作聚氨酯催化剂，合成氨基苄青霉素和羟基青霉素催化剂。用双氧化可制造N-甲基氧化吗啉。
Packaging & Shipping
- Standard: 25 kg fiber drum / 200 kg steel drum with double PE liner
- Small pack: 1 kg / 5 kg aluminum foil bag for lab & sample
- Custom: packaging size and labeling per customer requirement
- Lead time: in-stock items ship within 3-5 business days
- Documents: COA, MSDS / SDS, TDS provided with every shipment
- Global: air, sea (FCL / LCL) and express to 80+ countries
Storage & Handling
Store in a cool, dry, well-ventilated place away from heat, direct sunlight and incompatible materials. Keep container tightly closed. Use appropriate personal protective equipment and refer to the SDS for full safety guidance before handling.
Frequently Asked Questions
Yes. A batch-specific COA and free or charged sample are available on request before bulk ordering.
Yes. We offer custom grade, particle size and purity adjustment based on your application and order volume.
MOQ depends on the product; small quantities are supported for R&D and trial runs.
Every batch is tested in-house and retains full traceability from raw material to finished goods.
Why Choose Jinan Shenghe Chemical
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About Jinan Shenghe Chemical Co., Ltd.
Jinan Shenghe Chemical Co., Ltd.
We are a professional chemical supplier based in Jinan, China. Since 2013, we have been connecting manufacturers and global B2B buyers with reliable sourcing, quality-controlled products and efficient logistics.
Our business covers food & feed additives, fine chemicals, pharmaceutical intermediates, eco-materials, coatings and specialty chemicals — all non-hazardous and compliant with our licensed scope.