4-Nitrophthalic acid
- CAS NO.：610-27-5
- Empirical Formula: C8H5NO6
- Molecular Weight: 211.13
- MDL number: MFCD00007252
- EINECS: 210-215-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is 4-Nitrophthalic acid?
Chemical properties
Light-Beige Solid
The Uses of 4-Nitrophthalic acid
4-Nitrophthalic Acid is an impurity of Apremilast.
General Description
The tissue-specific activity of 4-nitrophthalic acid was studied.
Purification Methods
Crystallise 4-nitrophthalic acid from Et2O, EtOAc or *C6H6 (m 166o). The amide has m 200o (from EtOH). [Beilstein 9 H 828, 9 IV 4234.]
Properties of 4-Nitrophthalic acid
| Melting point: | 159-161 °C (lit.) |
| Boiling point: | 350.79°C (rough estimate) |
| Density | 1.6342 (rough estimate) |
| refractive index | 1.5282 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 880g/l |
| pka | pK1:2.11 (25°C) |
| form | Crystalline Powder |
| color | Yellow to beige |
| Odor | Odorless |
| PH Range | 1 |
| PH | 1 (10g/l, H2O, 20℃) |
| Water Solubility | 880 g/l at 20 °C |
| BRN | 1882262 |
| CAS DataBase Reference | 610-27-5(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2-Benzenedicarboxylic acid, 4-nitro- (610-27-5) |
Safety information for 4-Nitrophthalic 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 4-Nitrophthalic acid
| InChIKey | SLBQXWXKPNIVSQ-UHFFFAOYSA-N |
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