Cas no 492-41-1 (L-(-)-Ephedrine)

L-(-)-Ephedrine structure
L-(-)-Ephedrine structure
Product Name:L-(-)-Ephedrine
CAS No:492-41-1
MF:C9H13NO
MW:151.205622434616
CID:37755
PubChem ID:10297
Update Time:2025-04-18

L-(-)-Ephedrine Chemical and Physical Properties

Names and Identifiers

    • L-(-)-Ephedrine
    • (1R,2S)-2-Amino-1-phenyl-1-propanol
    • (1R,2S)-(-)-Norephedrine
    • (1R,2S)-2-amino-1-phenylpropan-1-ol
    • (1R,2S)-Norephedrine
    • ***
    • (-)-Norephedrin
    • (-)-Norephedrine
    • (-)-phenylpropanolamine
    • (1R,2S)-2-amino-1-phenyl-propan-1-ol
    • (1S,2R)-H2NCH(Me)CH(OH)Ph
    • (R,S)-(-)-Norephedrine
    • L-ERYTHRO-(1R,2S)-2-AMINO-1-PHENYLPROPAN-1-OL
    • l-Norephedrine
    • l-Phenylpropanolamine
    • Mydriatin
    • USAF CS-6
    • KBioGR_001385
    • Propadrine
    • (1R,2S)-(-)-Norephedrine, 99%
    • Phenylpropanolamin
    • CHEBI:80680
    • Spectrum2_000016
    • Benzyl alcohol, alpha-(1-aminoethyl)-
    • W-106029
    • Phenylpropanolaminum [INN-Latin]
    • R01BA01
    • (1R,2S)- Norephedrine
    • Spectrum4_000983
    • Phenylfenesin
    • erythro-2-Amino-1-phenyl-1-propanol
    • 4-13-00-01875 (Beilstein Handbook Reference)
    • dl-Phenylpropanolamine
    • dl-alpha-(1-Aminoethyl)benzyl alcohol
    • Phenylpropanolamine (INN)
    • DB00397
    • PHENYLPROPANOLAMINE [MART.]
    • (1R,2S)-PHENYLPROPANOLAMINE
    • Phenylpropanolaminum (INN-Latin)
    • N0608
    • EINECS 207-755-7
    • Benzenemethanol, .alpha.-(1-aminoethyl)-, [R-(R*,S*)]-
    • PHENYLPROPANOLAMINE [WHO-DD]
    • Benzenemethanol, .alpha.-[(1S)-1-aminoethyl]-, (.alpha.R)-
    • SCHEMBL152038
    • KBio3_001778
    • NSC17704
    • NSC 9920
    • NSC 17704
    • UNII-57B9YG5Y1E
    • D08368
    • 1-Propanol, 2-amino-1-phenyl-, (-)-
    • SELEGILINE HYDROCHLORIDE IMPURITY C [EP IMPURITY]
    • Benzenemethanol, .alpha.-((1S)-1-aminoethyl)-, (.alpha.R)-
    • InChI=1/C9H13NO/c1-7(10)9(11)8-5-3-2-4-6-8/h2-7,9,11H,10H2,1H3/t7-,9-/m0/s
    • (R-(R*,S*))-alpha-(1-Aminoethyl)benzyl alcohol
    • (1R,2S)-(-)-Phenylpropanolamine
    • 33RU150WUN
    • beta-hydroxyamphetamine
    • PHENYLPROPANOLAMINE (MART.)
    • NSC-9920
    • Spectrum3_000889
    • Phenylpropanolamina (INN-Spanish)
    • (+/-)-Norephedrine
    • Phenylpropanolamine [INN:BAN]
    • NSC-17704
    • dl-1-Phenyl-2-aminopropanol-1(ChemID)
    • Phenylpropanolamina
    • KBio2_001583
    • CHEMBL136560
    • DTXCID10820534
    • PDSP2_001333
    • 1-norephedrine
    • SR-05000001534-1
    • PHENYLPROPANOLAMINE [INN]
    • KBio2_006719
    • dl-alpha-Hydroxy-beta-aminopropylbenzene
    • Phenylpropanolamine1534
    • UNII-33RU150WUN
    • PHENYLPROPANOLAMINE [MI]
    • Benzyl alcohol, alpha-(1-aminoethyl)-, (-)-
    • PPA [Nasal Decongestant]
    • AKOS015891206
    • SR-05000001534-2
    • Benzenemethanol, alpha-(1-aminoethyl)-, (R*,S*)-
    • phenylpropanolamine
    • (+-)-Norephedrin
    • 14838-15-4
    • (-)-ERYTHRO-2-AMINO-2-METHYL-1-PHENYLETHANOL
    • dl-1-Phenyl-2-aminopropanol-1
    • EINECS 211-850-9
    • 1-Propanol, 2-amino-1-phenyl-
    • Benzenemethanol, alpha-((1S)-1-aminoethyl)-, (alphaR)-
    • Phenylpropanolaminum
    • Spectrum5_001156
    • EINECS 238-900-2
    • C07911
    • SR-05000001534
    • KBioSS_001583
    • Mucron
    • erythro-(1R,2S)-Norephedrine
    • 1-(-)-ephedrine
    • PHENYLPROPANOLAMINE, (-)-
    • (1R, 2S)-(-)- norephedrine
    • (R*,S*)-(+-)-alpha-(1-Aminoethyl)benzenemethanol
    • dl-2-Amino-1-hydroxy-1-phenylpropane(ChemID)
    • 492-41-1
    • HMS2090P12
    • Phenylpropanolamina [INN-Spanish]
    • Benzyl alcohol,.alpha.-(1-aminoethyl)-
    • PDSP1_001349
    • 57B9YG5Y1E
    • Spectrum_001103
    • (1s,2r)-2-hydroxy-2-phenyl-1-methyl-1-aminoethane
    • (1r, 2s)-(-)-norephedrine
    • Q26840801
    • (R*,S*)-(1)-alpha-(1-Aminoethyl)benzyl alcohol(ChemID)
    • Super Odrinex
    • Rhindecon
    • PHENYLPROPANOLAMINE [VANDF]
    • PPA (Nasal Decongestant)
    • PHENYLPROPANOLAMINE [HSDB]
    • SPBio_000051
    • PHENYLPROPANOLAMINE, L-
    • Phenylpropanolamine (VAN)
    • (1R,2S)-(-)-2-Amino-1-phenyl-1-propanol
    • BENZENEMETHANOL, alpha-(1-AMINOETHYL)-, (R*,S*)-, (+/-)
    • Fansia
    • WLN: ZY1&YQR -L
    • 1S,2R-PHENYLPROPANOLAMINE HYDROCHLORIDE
    • KBio2_004151
    • Fansia (TN)
    • DTXSID4023466
    • AB01275538-01
    • Benzenemethanol, alpha-(1-aminoethyl)-, (R*,S*)-(+-)-
    • BENZENEMETHANOL, .ALPHA.-(1-AMINOETHYL)-, (R*,S*)-, (+/-)-
    • Fenilpropanolamina [Italian]
    • Fenilpropanolamina
    • HSDB 6485
    • DTXSID10889348
    • (+-)-Norephedrine
    • Rinexin
    • NOREPHEDRINE, (-)-
    • (+-)-Phenylpropanolamine
    • CCG-214826
    • Benzyl alcohol, alpha-(1-aminoethyl)-(ChemID)
    • dl-2-Amino-1-hydroxy-1-phenylpropane
    • PPA(ChemID)
    • Benzenemethanol, alpha-((1R)-1-aminoethyl)-, (alphaS)-rel-
    • Benzenemethanol, alpha-(1-aminoethyl)-, (R-(R*,S*))-
    • (R*,S*)-(1)-alpha-(1-Aminoethyl)benzyl alcohol
    • BRN 3196918
    • (+/-)-Phenylpropanolamine
    • (R*,S*)-(+/-)-alpha-(1-Aminoethyl)benzenemethanol
    • 238-900-2
    • MDL： MFCD00008079
    • Inchi： 1S/C9H13NO/c1-7(10)9(11)8-5-3-2-4-6-8/h2-7,9,11H,10H2,1H3/t7-,9-/m0/s1
    • InChI Key： DLNKOYKMWOXYQA-CBAPKCEASA-N
    • SMILES： O[C@H](C1C=CC=CC=1)[C@H](C)N

Computed Properties

  • Exact Mass: 151.10000
  • Monoisotopic Mass: 151.099714038g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 2
  • Complexity: 110
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 2
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing
  • Topological Polar Surface Area: 46.2?2

Experimental Properties

  • Color/Form: Not determined
  • Density: 1.0406 (rough estimate)
  • Melting Point: 51-53 oC
  • Boiling Point: 273.23°C (rough estimate)
  • Flash Point: >230?°F
  • Refractive Index: 1.5380 (estimate)
  • Stability/Shelf Life: Stable. Incompatible with strong oxidizing agents. May discolour on exposure to light.
  • PSA: 46.25000
  • LogP: 1.76750
  • pka: 9.958(at 10℃)
  • Specific Rotation: -41 o (c=7, 1M HCl)
  • Solubility: Not determined

L-(-)-Ephedrine Security Information

  • Hazard Statement： Harmful
  • WGK Germany：3
  • Hazard Category Code： R22;R36/37/38
  • Safety Instruction： S26
  • FLUKA BRAND F CODES：3-8-10
  • RTECS：RC2275000
  • Hazardous Material Identification： Xn
  • Safety Term：S26
  • Risk Phrases：R22; R36/37/38

L-(-)-Ephedrine Customs Data

  • HS CODE：2939440000
  • Customs Data：

    China Customs Code:

    2939440000

L-(-)-Ephedrine Production Method

L-(-)-Ephedrine Related Literature

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