3-Methylpyridine-2-carboxylic acid
Synonym(s):3-Methylpicolinic acid
- CAS NO.：4021-07-2
- Empirical Formula: C7H7NO2
- Molecular Weight: 137.14
- MDL number: MFCD00191553
- EINECS: 626-781-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:58
What is 3-Methylpyridine-2-carboxylic acid?
Chemical properties
White solid
The Uses of 3-Methylpyridine-2-carboxylic acid
3-Methylpyridine-2-carboxylic acid (3-MepicH) may be used as a ligand in the synthesis of the following metal complexes:
- [Cu(3-Mepic)2(4-pic)] where 4-pic=4-picoline and [Cu(3-Mepic)2]·2H2O
- [Co(3-Mepic)3]
- [Ni(3-Mepic)2(H2O)2]
- bis(3-methyl-picolinato-κ2 N,O)(1,10-phenanthroline)zinc(II) tetrahydrate
Definition
ChEBI: 3-Methylpicolinic acid is a member of pyridines and an aromatic carboxylic acid.
General Description
3-Methylpyridine-2-carboxylic acid, also known as 3-methylpicolinic acid (3-MepicH), is a 3-substituted picolinic acid. The dianion formed by reacting 3-MepicH with lithium diisopropylamide (LDA) can undergo C-alkylation with 3-chlorobenzyl chloride.
Properties of 3-Methylpyridine-2-carboxylic acid
| Melting point: | 114-118 °C |
| Boiling point: | 300.6±22.0 °C(Predicted) |
| Density | 1.230±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Crystalline Powder |
| pka | 1.11±0.50(Predicted) |
| color | White to tan |
| CAS DataBase Reference | 4021-07-2(CAS DataBase Reference) |
Safety information for 3-Methylpyridine-2-carboxylic 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Methylpyridine-2-carboxylic acid
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