4-Hydroxynicotinic acid
- CAS NO.：609-70-1
- Empirical Formula: C6H5NO3
- Molecular Weight: 139.11
- MDL number: MFCD00040286
- EINECS: 210-197-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-04 16:04:00
What is 4-Hydroxynicotinic acid?
Chemical properties
Off-white to light yellow solid
The Uses of 4-Hydroxynicotinic acid
4-Hydroxynicotinic acid, is used as a chemical synthesis reagent. It is also used as an important raw material and intermediate used in organic Synthesis, pharmaceuticals, agrochemicals and dyestuff.
Definition
ChEBI: An aminonicotinic acid in which the amino group is situated at position 4 of the pyridine ring.
Properties of 4-Hydroxynicotinic acid
| Melting point: | 256-259℃ |
| Boiling point: | 507.3±35.0 °C(Predicted) |
| Density | 1.485±0.06 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Soluble in 0.1 M NaOH: 0.1 g/mL. |
| pka | 0.19±0.10(Predicted) |
| color | Yellow |
| CAS DataBase Reference | 609-70-1(CAS DataBase Reference) |
Safety information for 4-Hydroxynicotinic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 4-Hydroxynicotinic acid
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