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| CAS No.: | 10128-71-9 |
|---|---|
| Name: | 3-HYDROXY-4-PYRIDINECARBOXYLIC ACID |
| Molecular Structure: | |
|
|
|
| Formula: | C6H5NO3 |
| Molecular Weight: | 139.111 |
| Synonyms: | 3-hydroxypyridine-4-carboxylate;3-Hydroxyisonicotinic acid;3-Hydroxypyridine-4-carboxylicacid;3-Hydroxy-4-pyridinecarboxylic acid; |
| Density: | 1.485 g/cm3 |
| Melting Point: | 317-319 °C(dec.) |
| Boiling Point: | 519.3 °C at 760 mmHg |
| Flash Point: | 267.9 °C |
| Solubility: | Soluble in methanol. Slightly soluble in water. |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36/37/39 |
| PSA: | 70.42000 |
| LogP: | 0.48540 |
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- 7579-20-6
3-Aminopyridine-4-carboxylic acid
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| Stage #1: 3-Aminopyridine-4-carboxylic acid With sulfuric acid; sodium nitrite In water at 10 - 80℃; Stage #2: With water; acetic acid at 65℃; Stage #3: With ammonia In water pH=~ 4.5; | 91% |
| With sulfuric acid; sodium nitrite In water at 80℃; for 0.25h; | 88% |
| Stage #1: 3-Aminopyridine-4-carboxylic acid With sulfuric acid; sodium nitrite In water at 8 - 85℃; for 0.833333h; Stage #2: With ammonium hydroxide; acetic acid In water at 0℃; | 78% |
- 92404-81-4
furo<2,3-c>pyridinium 3-hydroxypyridine-4-nitrolate
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride for 16h; Heating; | 80% |
- 92404-80-3
3-hydroxy-4-(1'-chloro-1'-hydroximinomethyl)pyridinium nitrate
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride for 16h; Heating; | 80% |
| Conditions | Yield |
|---|---|
| In ethanol for 48h; | 30% |
| at 4 - 20℃; |
- 88912-27-0
3-chloro-isonicotinic acid
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| With potassium hydroxide |
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium nitrite Diazotization; |
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| With carbon dioxide; potassium acetate at 190 - 240℃; under 44130.5 Torr; |
- 55-22-1
pyridine-4-carboxylic acid
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid; quinolinium dichromate(VI); acetic acid at 50℃; for 24h; Kinetics; | |
| With sulfuric acid; quinolinium dichromate(VI); acetic acid In water at 49.85℃; for 48h; Kinetics; Further Variations:; Solvents; Temperatures; | |
| Multi-step reaction with 2 steps 1: thionyl chloride / 180 - 220 °C / im Rohr und Zersetzen des Reaktionsprodukts mit Wasser 2: KOH-solution View Scheme | |
| With quinolinium dichromate In water; acetic acid at 49.84℃; for 48h; Kinetics; Mechanism; Solvent; Temperature; Inert atmosphere; |
- 19539-50-5
furo<2,3-c>pyridine
- 10128-71-9
3-hydroxyisonicotinic acid
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 41 percent / sulfuric acid, fuming nitric acid (d,1.50); / 1.5 h 2: 80 percent / 10percent HCl / 16 h / Heating View Scheme | |
| Multi-step reaction with 2 steps 1: 24 percent / 1.) sulfuric acid, fuming nitric acid (d,1.50); 2.) amberlite IRA-47 / 1.5 h 2: 80 percent / 10percent HCl / 16 h / Heating View Scheme |
| Conditions | Yield |
|---|---|
| Stage #1: 3-HYDROXYPYRIDINE With n-butyllithium Stage #2: carbon dioxide |
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Chemistry
Empirical Formula: C6H5NO3
Molecular Weight: 139.1088
Nominal Mass: 139 Da
Average Mass: 139.1088 Da
Monoisotopic Mass: 139.026943 Da
Index of Refraction: 1.626
Molar Refractivity: 33.15 cm3
Molar Volume: 93.6 cm3
Surface Tension: 78.3 dyne/cm
Density: 1.485 g/cm3
Flash Point: 267.9 °C
Melting point: 317-319(dec.)
Enthalpy of Vaporization: 83.39 kJ/mol
Boiling Point: 519.3 °C at 760 mmHg
Vapour Pressure: 1.3E-11 mmHg at 25 °C
Structure of 3-Hydroxypyridine-4-carboxylic acid (CAS NO.10128-71-9):
IUPAC Name: 3-Hydroxypyridine-4-carboxylic acid
Canonical SMILES: C1=CN=CC(=C1C(=O)O)O
InChI: InChI=1S/C6H5NO3/c8-5-3-7-2-1-4(5)6(9)10/h1-3,8H,(H,9,10)
InChIKey: JEHGATQUCUYHJL-UHFFFAOYSA-N
Product Category of 3-Hydroxypyridine-4-carboxylic acid (CAS NO.10128-71-9): Pharmacetical;Pyridines
Safety Profile
Hazard Codes of 3-Hydroxypyridine-4-carboxylic acid (CAS NO.10128-71-9): 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
Hazard Note: Irritant
HazardClass: IRRITANT
Specification
3-Hydroxypyridine-4-carboxylic acid , its cas register number is 10128-71-9. It also can be called 3-Hydroxyisonicotinic acid ; and 3-Hydroxy-4-pyridinecarboxylic acid .