2-Hydroxy-3-aminonaphthalene
3-Amino-2-naphthol
CAS: 5417-63-0
Molecular Formula: C10H9NO
2-Hydroxy-3-aminonaphthalene - Names and Identifiers
| Name | 3-Amino-2-naphthol |
| Synonyms | 3-Amino-2-naphthol 3-AMINO-2-NAPHTHOL 2-Naphthol, 3-amino- LABOTEST-BB LT00080648 3-Amino-naphthalen-2-ol 2-Naphthalenol, 3-amino- 3-HYDROXY-2-NAPHTHYLAMINE 2-AMINO-3-HYDROXYNAPHTHALENE 3-AMINO-2-HYDROXYNAPHTHALENE 2-Hydroxy-3-aminonaphthalene |
| CAS | 5417-63-0 |
| EINECS | 226-519-4 |
| InChI | InChI=1S/C10H9NO/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6,12H,11H2 |
2-Hydroxy-3-aminonaphthalene - Physico-chemical Properties
| Molecular Formula | C10H9NO |
| Molar Mass | 159.18 |
| Density | 1.281±0.06 g/cm3(Predicted) |
| Melting Point | 229-230 °C (lit.) |
| Boling Point | 343.5±25.0 °C(Predicted) |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | Solid |
| Color | Pale Beige to Beige |
| pKa | 9.36±0.40(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| MDL | MFCD00004113 |
2-Hydroxy-3-aminonaphthalene - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R40 - Limited evidence of a carcinogenic effect |
| Safety Description | 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 |
| HS Code | 29222990 |
| Hazard Note | Harmful/Irritant |
| Hazard Class | IRRITANT |
2-Hydroxy-3-aminonaphthalene - Introduction
3-Amino-2-naphthol, chemical formula C10H9NO, is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 3-Amino-2-naphthol is a white to pale yellow or reddish crystal.
-Solubility: It is soluble in organic solvents such as ethanol, ether and benzene, and slightly soluble in water.
-melting point and boiling point: its melting point is about 240-244 degrees Celsius, boiling point is about 342 degrees Celsius.
Use:
-Dye synthesis: 3-Amino-2-naphthol is one of the important raw materials for the synthesis of dyes.
-Chemical reagent: It can also be used as a chemical reagent to detect the presence of metal ions.
Preparation Method:
3-Amino-2-naphthol is usually synthesized by the following method:
1. the reaction of 2-naphthol and nitro ammonia to generate 2-nitro amino -1-naphthalene alcohol.
2. reduce 2-nitroamino -1-naphthalenol with sulfurous acid to obtain 3-Amino-2-naphthol.
Safety Information:
-The Food and Drug Administration (FDA) does not specifically prescribe 3-Amino-2-naphthol.
-It is generally considered to be low toxic under routine use conditions.
-However, it is still recommended to take appropriate safety measures during handling, such as wearing gloves, glasses and protective clothing.
-Avoid contact with skin and eyes, as well as inhalation or ingestion. In case of contact, rinse immediately with plenty of water and seek medical help.
Please note that the above information is for reference only. The specific use and handling of this compound should follow the laboratory safety instructions and relevant regulations.
Nature:
-Appearance: 3-Amino-2-naphthol is a white to pale yellow or reddish crystal.
-Solubility: It is soluble in organic solvents such as ethanol, ether and benzene, and slightly soluble in water.
-melting point and boiling point: its melting point is about 240-244 degrees Celsius, boiling point is about 342 degrees Celsius.
Use:
-Dye synthesis: 3-Amino-2-naphthol is one of the important raw materials for the synthesis of dyes.
-Chemical reagent: It can also be used as a chemical reagent to detect the presence of metal ions.
Preparation Method:
3-Amino-2-naphthol is usually synthesized by the following method:
1. the reaction of 2-naphthol and nitro ammonia to generate 2-nitro amino -1-naphthalene alcohol.
2. reduce 2-nitroamino -1-naphthalenol with sulfurous acid to obtain 3-Amino-2-naphthol.
Safety Information:
-The Food and Drug Administration (FDA) does not specifically prescribe 3-Amino-2-naphthol.
-It is generally considered to be low toxic under routine use conditions.
-However, it is still recommended to take appropriate safety measures during handling, such as wearing gloves, glasses and protective clothing.
-Avoid contact with skin and eyes, as well as inhalation or ingestion. In case of contact, rinse immediately with plenty of water and seek medical help.
Please note that the above information is for reference only. The specific use and handling of this compound should follow the laboratory safety instructions and relevant regulations.
Last Update：2024-04-09 15:17:58
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CAS: 5417-63-0
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