4-Amino-1,8-naphthalic anhydride
4-amino-1,8-naphthalic anhydride
CAS: 6492-86-0
Molecular Formula: C12H7NO3
4-Amino-1,8-naphthalic anhydride - Names and Identifiers
| Name | 4-amino-1,8-naphthalic anhydride |
| Synonyms | 4-ANI 158125 TIMTEC-BB SBB003425 TIMTEC-BB SBB000529 4-AMINO-1,8-NAPHTHALIMIDE 4-AMINO-1,8-NAPHTHALIC ANHYDRIDE 4-amino-1,8-naphthalic anhydride 6-Aminobenz[de]isochromene-1,3-dione 6-AMINO-BENZO[DE]ISOQUINOLINE-1,3-DIONE 4-aminonaphthalene-1,8-dicarboxylic anhydride |
| CAS | 6492-86-0 |
| EINECS | 229-372-4 |
| InChI | InChI=1/C12H7NO3/c13-9-5-4-8-10-6(9)2-1-3-7(10)11(14)16-12(8)15/h1-5H,13H2 |
| InChIKey | QIXHMCMCFSNKOG-UHFFFAOYSA-N |
4-Amino-1,8-naphthalic anhydride - Physico-chemical Properties
| Molecular Formula | C12H7NO3 |
| Molar Mass | 213.19 |
| Density | 1.105g/mLat 25°C(lit.) |
| Melting Point | 360 °C |
| Boling Point | 501.4±33.0 °C(Predicted) |
| Flash Point | 310.8°C |
| Vapor Presure | 3.49E-10mmHg at 25°C |
| pKa | 1.15±0.20(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Refractive Index | 1.77 |
4-Amino-1,8-naphthalic anhydride - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R45 - May cause cancer R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S22 - Do not breathe dust. 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| WGK Germany | 3 |
| RTECS | DE4081000 |
4-Amino-1,8-naphthalic anhydride - Introduction
4-amino-1,8-naphthalic anhydride is an organic compound with the chemical formula C12H7NO3. The following is its nature, use, preparation and safety information:
Nature:
-Appearance: 4-amino-1, 8-napthalic anhydride is a yellow solid, crystalline.
-Melting point: about 230-240 degrees Celsius.
-Solubility: Soluble in common organic solvents, such as alcohols, ethers and ketones.
Use:
- 4-amino-1, 8-napthalic anhydride is often used as a raw material for dyes and fluorescent probes in organic synthesis.
-It can also be used for the synthesis of dye intermediates, such as for the production of dyes with special fluorescent properties.
Preparation Method:
- 4-amino-1,8-naphthalic anhydride are usually prepared from p-nitrophenol.
-First, p-nitrophenol is subjected to a hydrogenation reduction reaction to obtain p-aminophenol.
-Then, p-aminophenol reacts with acid anhydride, and after dehydration reaction, 4-amino-1, 8-napthalic anhydride is obtained.
Safety Information:
- 4-amino-1,8-naphthalic anhydride has low toxicity, but it still needs to be used carefully.
-When contacting this compound, avoid direct contact with skin and eyes.
-During operation, good ventilation measures should be taken to avoid inhaling dust or vapor.
-Wear appropriate personal protective equipment such as laboratory gloves and goggles when using.
-Observe local environmental, health and safety regulations when handling and disposing of the compound.
Nature:
-Appearance: 4-amino-1, 8-napthalic anhydride is a yellow solid, crystalline.
-Melting point: about 230-240 degrees Celsius.
-Solubility: Soluble in common organic solvents, such as alcohols, ethers and ketones.
Use:
- 4-amino-1, 8-napthalic anhydride is often used as a raw material for dyes and fluorescent probes in organic synthesis.
-It can also be used for the synthesis of dye intermediates, such as for the production of dyes with special fluorescent properties.
Preparation Method:
- 4-amino-1,8-naphthalic anhydride are usually prepared from p-nitrophenol.
-First, p-nitrophenol is subjected to a hydrogenation reduction reaction to obtain p-aminophenol.
-Then, p-aminophenol reacts with acid anhydride, and after dehydration reaction, 4-amino-1, 8-napthalic anhydride is obtained.
Safety Information:
- 4-amino-1,8-naphthalic anhydride has low toxicity, but it still needs to be used carefully.
-When contacting this compound, avoid direct contact with skin and eyes.
-During operation, good ventilation measures should be taken to avoid inhaling dust or vapor.
-Wear appropriate personal protective equipment such as laboratory gloves and goggles when using.
-Observe local environmental, health and safety regulations when handling and disposing of the compound.
Last Update：2024-04-10 22:29:15
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