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N-methylephedrine CAS Number: 42151-56-4








HOME >> Chemicals >> Chemicals List 1 >> N-methylephedrine


CAS number 42151-56-4

N-methylephedrine Formula: C6H5CH(OH)CH(CH3)N(CH3)2

Synonyms: (+)-(1S,2R)-2-Dimethylamino-1-phenylpropanol, (+)-N-Methylephedrine

CAS Number: 42151-56-4
Linear Formula: C6H5CH(OH)CH(CH3)N(CH3)2
Molecular Weight: 179.26
Beilstein Registry Number: 3198945
MDL number: MFCD00064259
PubChem Substance ID: 24857291


Packaging 1, 5 g in glass btl


assay 99%
optical activity [α]20/D +29, c = 5 in methanol
mp 87-90 C(lit.)


Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3


Harmful if swallowed. Irritating to eyes, respiratory system and skin.Hygroscopic (absorbs moisture from the air).Light sensitive.

Potential Health Effects

Causes eye irritation. May cause chemical conjunctivitis.
Causes skin irritation. May be harmful if absorbed through the skin.
Harmful if swallowed. May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully
investigated. May cause central nervous system stimulation.
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if
No information found.Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.


Keep container closed when not in use. Store in a tightly closed container. Keep refrigerated. (Store below 4C/39F.)


Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure LimitsPersonal Protective Equipment

Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Wear appropriate protective gloves to prevent skin exposure.
Wear appropriate protective clothing to prevent skin exposure.
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.


Physical State: Crystalline powder
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 85-89 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C11H17NO
Molecular Weight: 179.26STABILITY AND REACTIVITYChemical Stability:
Stable under normal temperatures and pressures. Sensitive to light.
Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid:
Light, dust generation, moisture.
Incompatibilities with Other Materials:
Acid chlorides, acid anhydrides, acids, oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.TOXICOLOGICAL INFORMATIONRTECSLD50/LC50Carcinogenicity:
(+)-N-Methylephedrine -
Not listed by ACGIH, IARC, or NTP.


Note /Government Notification: These chemicals are designated as those that are used in the manufacture of the controlled substances and are important to the manufacture of the substances. For any (Control Substance) products Import and Export *** subjected to your country government laws /control substance ACT.
Information: The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers. ,also that the information on the PTCL Safety web site, where this page was hosted, has been copied onto many other sites, often without permission. If you have any doubts about the veracity of the information that you are viewing, or have any queries, please check the URL that your web browser displays for this page. If the URL begins " Benzoate.htm/" the page is maintained by the Safety Officer in Physical Chemistry at Oxford University. If not, this page is a copy made by some other person and we have no responsibility for it.
The Controlled Substances Act (CSA) was enacted into law by the Congress of the United States as Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970.[1] The CSA is the federal U.S. drug policy under which the manufacture, importation, possession, use and distribution of certain substances is regulated. The Act also served as the national implementing legislation for the Single Convention on Narcotic Drugs

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