1,4,5,8-Naphthalenetetracarboxylic acid
- CAS NO.：128-97-2
- Empirical Formula: C14H8O8
- Molecular Weight: 304.21
- MDL number: MFCD00004012
- EINECS: 204-924-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-08 13:40:43
What is 1,4,5,8-Naphthalenetetracarboxylic acid?
Chemical properties
1,4,5,8-Naphthalenetetracarboxylic acid is a white crystals. Insoluble in ethanol, chloroform and benzene. Soluble in acetone aqueous solution.
The Uses of 1,4,5,8-Naphthalenetetracarboxylic acid
1,4,5,8-Naphthalenetetracarboxylic acid is a carboxylic acid organic compound and can be used as an intermediate for dyes, pigments, resins, etc.
Synthesis
1,4,5,8-Naphthalenetetracarboxylic acid is prepared from pyrene by chlorination and oxidation.
Properties of 1,4,5,8-Naphthalenetetracarboxylic acid
| Melting point: | 180 °C |
| Boiling point: | 405.05°C (rough estimate) |
| Density | 1.5387 (rough estimate) |
| refractive index | 1.5500 (estimate) |
| Water Solubility | Soluble in water |
| pka | 1.03±0.10(Predicted) |
| form | powder to crystal |
| color | White to Light yellow to Light orange |
| CAS DataBase Reference | 128-97-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,4,5,8-Naphthalenetetracarboxylic acid(128-97-2) |
| EPA Substance Registry System | 1,4,5,8-Naphthalenetetracarboxylic acid (128-97-2) |
Safety information for 1,4,5,8-Naphthalenetetracarboxylic acid
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 1,4,5,8-Naphthalenetetracarboxylic acid
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