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2,3,4,9-tetrahydro-1h-carbazol

1,2,3,4-Tetrahydrocarbazole

CAS: 942-01-8

Molecular Formula: C12H13N

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2,3,4,9-tetrahydro-1h-carbazol - Names and Identifiers

Name 1,2,3,4-Tetrahydrocarbazole
Synonyms 1,2,3,4-Tetyahydrocarbazole
1,2,3,4-Tetrahydrocarbazole
5,6,7,8-Tetrahydrocarbazole
5,6,7,8-tetrahydro-carbazol
2,3-Tetramethylene-1H-indole
2,3,4,9-tetrahydro-1h-carbazol
,3,4,9-Tetrahydro-1H-carbazole
Carbazole, 5,6,7,8-tetrahydro-
Carbazole, 1,2,3,4-tetrahydro-
2,3,4,9-tetrahydro-1H-carbazole
1H-Indole, 2,3-(1,4-butanediyl)-
2,3,4,9-tetrahydro-1H-carbazole
CAS 942-01-8
EINECS 213-385-7
InChI InChI=1/C12H13N/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1,3,5,7,13H,2,4,6,8H2

2,3,4,9-tetrahydro-1h-carbazol - Physico-chemical Properties

Molecular FormulaC12H13N
Molar Mass171.24
Density1.1459 (rough estimate)
Melting Point118-120 °C (lit.)
Boling Point325-330 °C (lit.)
Flash Point325-330°C
Water SolubilityInsoluble in water. Solubility in methanol (almost transparency).
Vapor Presure0.000437mmHg at 25°C
Appearancepowder to crystal
ColorWhite to Orange to Green
BRN133771
pKa17.84±0.20(Predicted)
Storage ConditionSealed in dry,Room Temperature
Refractive Index1.6544 (estimate)
MDLMFCD00004959

2,3,4,9-tetrahydro-1h-carbazol - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk Codes36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
WGK Germany2
RTECSFE6300000
HS Code29339900

2,3,4,9-tetrahydro-1h-carbazol - Reference Information

NIST chemical information information provided by: webbook.nist.gov (external link)
Overview 1,2,3, 4-tetrahydrocarbazole can be used as a pharmaceutical synthesis intermediate, it can be prepared by reacting phenylhydrazine hydrochloride with cyclohexanone, or by reacting an indole reactant with 1, 4-dibromobutane, PdCl2(MeCN)2, and norbornene.
preparation phenylhydrazine hydrochloride (1.44g,10mmol) A solution of cyclohexanone (1.00g,10mmol) in 30ml of acetic acid was added portionwise over 30 minutes and then refluxed for 8 hours to complete the reaction. The reaction was also cooled to room temperature and then poured into ice water, the solid was collected by filtration and recrystallized from methanol to give the Intermediate 1,2,3, 4-tetrahydrocarbazole, 1.44G of a white solid in 85% yield.
Last Update：2024-04-09 20:52:54
2,3,4,9-tetrahydro-1h-carbazol
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2,3,4,9-tetrahydro-1h-carbazol
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