5-hydroxyindole-3-acetic acid

Modify Date: 2025-08-25 14:27:01

5-hydroxyindole-3-acetic acid Structure
5-hydroxyindole-3-acetic acid structure
Common Name 5-hydroxyindole-3-acetic acid
CAS Number 1321-73-9 Molecular Weight 191.18300
Density 1.496g/cm3 Boiling Point 497.1ºC at 760mmHg
Molecular Formula C10H9NO3 Melting Point 161-164ºC (dec.)(lit.)
MSDS N/A Flash Point 254.4ºC

 Names

Name (5-Hydroxy-1H-indol-3-yl)acetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.496g/cm3
Boiling Point 497.1ºC at 760mmHg
Melting Point 161-164ºC (dec.)(lit.)
Molecular Formula C10H9NO3
Molecular Weight 191.18300
Flash Point 254.4ºC
Exact Mass 191.05800
PSA 73.32000
LogP 1.50060
Appearance of Characters crystalline | off-white to purple
Vapour Pressure 0mmHg at 25°C
Index of Refraction 1.74
Storage condition 2-8°C

 Safety Information

Safety Phrases S22-24/25
WGK Germany 3
RTECS NL3650000

 Synonyms

(5-HYDROXY-1H-INDOL-3-YL)-ACETIC ACID
2-(5-hydroxy-1H-indol-3-yl)ethanoic acid
5-HYDROXYINDOLYACETIC ACID
5-HYDROXYINDOLYL-3-ACETIC ACID
5-HIAA
EINECS 200-195-4
MFCD00005639
5-HYDROXY-3-INDOLEACETIC ACID
HYDROXYINDOLYL-3-ACETIC ACID,5
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