Speed

Salts []
Amphetamine chlorphenoxyacetate

Amphetamine hemisulfate

Amphetamine hydrochloride

Amphetamine adipate

Amphetamine tartrate

Amphetamine phosphate

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	135.21 g/mol ^[1]
Density	0.913 at 77 °F (EPA, 1998) - Less dense than water; will float g/cm³ ^[1]
Appearance	Mobile liquid ^[1]
Odor	Amine odor ^[1]
Taste	Acrid, burning taste ^[1]
Melting point	25 °C ^[1]
Boiling point	392 to 397 °F at 760 mmHg (EPA, 1998) ^[1]
Decomposition	When heated to decomposition it emits toxic fumes of nitroxides. ^[1]
Solubility	Moderate solubility ^[1]
Predicted LogP	1.8 ^[1]

Structural Identifiers []
Molecular formula	C₉H₁₃N ^[1]
IUPAC name	1-phenylpropan-2-amine ^[1]
SMILES	CC(CC1=CC=CC=C1)N ^[1]
InChI	InChI=1S/C9H13N/c1-8(10)7-9-5-3-2-4-6-9/h2-6,8H,7,10H2,1H3 ^[1]
InChIKey	KWTSXDURSIMDCE-UHFFFAOYSA-N ^[1]

Amphetamine

Amphetamine (also known as Amphetamine, Amfetamine, 1-Phenyl-2-aminopropane, 300-62-9, Desoxynorephedrine, Norephedrane, Elastonon, Fenopromin, Phenedrine or β-Aminopropylbenzene) is a stimulant substance of the amphetamine class.

Chemistry

Salts []

Amphetamine is typically found in the form of its chlorphenoxyacetate, hemisulfate, hydrochloride, adipate, tartrate and phosphate salts.

Stereochemistry []

Amphetamine is a racemic mixture of the enantiomers

Pharmacology

ATC Classification

In the nervous system (N) amphetamine acts as a stimulant (N06B), sympathomimetic (N06BA) and psychoanaleptic (N06).^[1]

Metabolism

Subjective effects []

Physical effects
Abnormal heartbeat Appetite suppression Dehydration Dry mouth Increased blood pressure Increased heart rate Increased libido Restless legs Shakiness Stamina enhancement Stimulation Teeth grinding Vasoconstriction

Cognitive effects
Analysis enhancement Cognitive euphoria Compulsive redosing Disinhibition Ego inflation Focus enhancement Increased music appreciation Mania Motivation enhancement Suggestibility suppression Thought acceleration Wakefulness

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 3007, Amphetamine. Accessed February 11, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/3007
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Amphetamine. UNII: CK833KGX7E. Global Substance Registration System. Accessed February 11, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/CK833KGX7E

Anodyne