Basic information
- Name:
Indole-5-carboxylic acid
- CAS No.:
1670-81-1
- Molecular Structure:

- Formula:
- C9H7NO2
- Molecular Weight:
- 161.16
- Synonyms:
- 1H-indole-5-carboxylate;1H-indole-5-carboxylic acid;5-Indolecarboxylic acid;
- EINECS:
- 216-799-6
- Density:
- 1.408 g/cm3
- Melting Point:
- 211-213 °C(lit.)
- Boiling Point:
- 419.6 °C at 760 mmHg
- Flash Point:
- 207.6 °C
- Appearance:
- light beige to yellow powder
- Hazard Symbols:
Xn,
Xi- Risk Codes:
- 36/37/38-21/22
- Safety Description:
- 22-24/25-36/37/39-26 Details
- particular:
- particular
Famous Chemical Enterprises
-
Livzon -
Total -
Shell -
Dupont -
Exxonmobil -
Akzonobel -
Basf -
Bayer -
BP
Please post your buying leads,so that our qualified suppliers will soon
contact you!
*Required Fields
Chemistry
Molecular Structure of Indole-5-carboxylic acid (CAS NO.1670-81-1):
.gif)
IUPAC Name: 1H-Indole-5-carboxylic acid
Canonical SMILES: C1=CC2=C(C=CN2)C=C1C(=O)O
InChI: InChI=1S/C9H7NO2/c11-9(12)7-1-2-8-6(5-7)3-4-10-8/h1-5,10H,(H,11,12)
InChIKey: IENZCGNHSIMFJE-UHFFFAOYSA-N
Molecular Weight: 161.15738 [g/mol]
Molecular Formula: C9H7NO2
XLogP3: 1.5
H-Bond Donor: 2
H-Bond Acceptor: 2
EINECS: 216-799-6
Index of Refraction: 1.725
Molar Refractivity: 45.45 cm3
Molar Volume: 114.4 cm3
Surface Tension: 71.6 dyne/cm
Density: 1.408 g/cm3
Flash Point: 207.6 °C
Enthalpy of Vaporization: 70.99 kJ/mol
Boiling Point: 419.6 °C at 760 mmHg
Vapour Pressure: 8.6E-08 mmHg at 25 °C
Appearance: light beige to yellow powder
Melting Point: 211-213 °C(lit.)
storage temp.: −20 °C
Product Categories: blocks; Carboxes; IndolesOxindoles; Indole / indoline / oxindole; Indole and Indoline; Indoles and derivatives; Indole; Indoles; Simple Indoles; Building Blocks; Heterocyclic Building Blocks
Safety Profile
Safety Information of Indole-5-carboxylic acid (CAS NO.1670-81-1):
Hazard Codes:
Xn,
Xi
Risk Statements: 36/37/38-21/22
R21/22:Harmful in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-36/37/39-26
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
HazardClass: IRRITANT
Specification
Indole-5-carboxylic acid (CAS NO.1670-81-1), its Synonyms are 2,3-Benzopyrrole-5-carboxylic acid ; 1H-indole-5-carboxylate ; 1H-indole-5-carboxylic acid ; 5-Indolecarboxylic acid .

