1,2,3,4-Tetrahydroisoquinoline

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Names

[ CAS No. ]:
91-21-4

[ Name ]:
1,2,3,4-Tetrahydroisoquinoline

[Synonym ]:
Isoquinoline, 1,2,3,4-tetrahydro-
tetrahydroisoquinoline
1,2,3,4-Tetrahydroisoquinoline
EINECS 202-050-0
MFCD00006896

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
232.5±9.0 °C at 760 mmHg

[ Melting Point ]:
−30 °C(lit.)

[ Molecular Formula ]:
C9H11N

[ Molecular Weight ]:
133.190

[ Flash Point ]:
98.9±0.0 °C

[ Exact Mass ]:
133.089142

[ PSA ]:
12.03000

[ LogP ]:
1.40

[ Vapour Pressure ]:
0.1±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.544

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NX4900000
CHEMICAL NAME :
Isoquinoline, 1,2,3,4-tetrahydro-
CAS REGISTRY NUMBER :
91-21-4
BEILSTEIN REFERENCE NO. :
0116156
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C9-H11-N
MOLECULAR WEIGHT :
133.21
WISWESSER LINE NOTATION :
T66 CMT&J

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
240 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - central sympatholytic
REFERENCE :
85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,244,1948

Safety Information

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ WGK Germany ]:
3

[ RTECS ]:
NX4900000

[ HS Code ]:
2933499090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Isoquinoline
  • Isoquinoline N-oxide
  • 2-oxido-3,4-dihydroisoquinolin-2-ium
  • 2-((4-nitrophenyl)sulfonyl)-1,2,3,4-tetrahydroisoquinoline
  • N-hydroxy-1,2,3,4-tetrahydroisoquinoline
  • 1,2-dihydroisoquinoline
  • Formaldehyde
  • 2-Phenylethanamine
  • 3,4-Dihydroisoquinoline
  • benzyl 3,4-dihydro-1H-isoquinoline-2-carboxylate

DownStream

  • 2-Propen-1-one,1-(3,4-dihydro-2(1H)-isoquinolinyl)-2-methyl-
  • 4-[(4-chlorophenyl)methyl]isoquinoline
  • Ethanone,2,2-dichloro-1-(3,4-dihydro-2(1H)-isoquinolinyl)-
  • 3,4-dihydro-1H-isoquinolin-2-ylmethyl(trimethyl)silane
  • 2-Propen-1-one,1-(3,4-dihydro-2(1H)-isoquinolinyl)-3-phenyl-
  • 3,4-Dihydroisoquinoline
  • Isoquinoline
  • 3,4-Dihydroisoquinolin-1(2H)-one
  • trans-Stilbene

Customs

[ HS Code ]: 2933499090

[ Summary ]:
2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 1,2,3,4-TETRAHYDROISOQUINOLINE
  • 6-iodo-1,2,3,4-tetrahydroisoquinoline
  • 7-iodo-1,2,3,4-tetrahydroisoquinoline
  • 8-Iodo-1,2,3,4-tetrahydroisoquinoline
  • 8-Nitro-1,2,3,4-tetrahydroisoquinoline
  • 7-Nitro-1,2,3,4-tetrahydroisoquinoline
  • 3-(7-(2-Chlorophenyl)-1,4-thiazepane-4-carbonyl)pyridine 1-oxide
  • (+/-)-3-(Trans-2-(trifluoromethyl)cyclopropyl)benzoic acid
  • (1S,2S)-1-(3-Chlorophenyl)-2-(trifluoromethyl)cyclopropane
  • N-(1-cyanocyclobutyl)-3-[(1H-indol-3-yl)formamido]-N-methylpropanamide
  • 5-(5-chlorothiophen-2-yl)-N-(1-cyanocyclobutyl)-N-methyl-1,2-oxazole-3-carboxamide
  • 4-Chloro-7,8-dihydroquinolin-5(6H)-one
  • (R)-3-Fluoro-10-hydroxy-14-methyl-7,8,13b,14-tetrahydroindolo[2',3':3,4]pyrido[2,1-b]quinazolin-5(13H)-one
  • 5-(1-((2,3-Dihydrobenzofuran-5-yl)methyl)azetidin-3-yl)-3-(pyrazin-2-yl)-1,2,4-oxadiazole oxalate
  • Ethyl 4,6-difluoropyrazolo[1,5-A]pyridine-3-carboxylate
  • 1-(1-Cyclobutylbenzimidazol-2-yl)ethanamine
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