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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2737651Generated: October 23, 2026

7-Hydroxyindole

1H-INDOL-7-OL · 7-INDOLOL · Indol-7-ol · 7-HYDROXYINDOLE · 7-HYDROXYLINDOLE · 7-Hydroxy-1H-indole · 7-HYDROXYINDOLE 95% · 7-Monohydroxyindole

https://huagongshe.com/en/chemical/2737651

7-Hydroxyindole molecular structure

Identifiers & Physical Properties

CAS No.2380-84-9
Molecular formulaC8H7NO
Average molar mass133.15 g/mol
Monoisotopic mass133.05276384 g/mol
SMILESOc1cccc2cc[nH]c12
InChIKeyORVPXPKEZLTMNW-UHFFFAOYSA-N
PubChem CID2737651
ChEMBLCHEMBL3634136
EC No.691-806-7
DTXSIDDTXSID5042669

Chemical & Physical Properties

XLogP2.4
Topological polar surface area36
Hydrogen bond donors2
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms10
Formal charge0
Complexity126
Melting point84-88
Boiling point343.2±15.0 °C(Predicted)
Density1.327±0.06 g/cm3(Predicted)
Storage conditionsSealed in dry,Store in freezer, under -20°C
pKa (acidity coefficient)10.10±0.40(Predicted)
Physical stateSolid
AppearanceOff-white to light brown Solid
InChI1S/C8H7NO/c10-7-3-1-2-6-4-5-9-8(6)7/h1-5,9-10H
InChIKeyORVPXPKEZLTMNW-UHFFFAOYSA-N
SMILESOc1cccc2cc[nH]c12
CAS DataBase Reference2380-84-9(CAS DataBase Reference)
FDA UNIIOR3V96LY5G
UNSPSC Code12352200
GHS pictogramGHS05,GHS07
Signal wordDanger
GHS hazard statementsH302-H318
GHS precautionary statementsP264-P270-P280-P301+P312-P305+P351+P338-P501
Hazard symbolsXi,Xn
Risk statements (R)22-41-36/37/38-20/21/22
Safety statements (S)26-39-36/37/39
Water hazard class (WGK)3
Hazard NoteHarmful/Irritant/Store below -20C
Customs code29339900
Storage class11 - Combustible Solids
Hazard classAcute Tox. 4 OralEye Dam. 1

Safety & Regulations

GHS classificationDangerH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 40 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Water hazard class (WGK)3
Customs code29339900
Risk statements (R)22-41-36/37/38-20/21/22
Signal wordDanger
GHS pictogramGHS05,GHS07
Hazard symbolsXi,Xn
hazard_noteHarmful/Irritant/Store below -20C
Safety statements (S)26-39-36/37/39
Storage class11 - Combustible Solids
GHS hazard statementsH302-H318
Hazard classAcute Tox. 4 OralEye Dam. 1
GHS precautionary statementsP264-P270-P280-P301+P312-P305+P351+P338-P501

Applications & Uses

Uses

7-Hydroxyindole (cas# 2380-84-9) is a compound useful in organic synthesis.