4055-69-0
2,3-dihydroxy-4-methoxybenzaldehyde
CAS: 4055-69-0
Molecular Formula: C8H8O4
4055-69-0 - Names and Identifiers
4055-69-0 - Physico-chemical Properties
| Molecular Formula | C8H8O4 |
| Molar Mass | 168.15 |
| Density | 1.378±0.06 g/cm3(Predicted) |
| Melting Point | 69.5 °C |
| Boling Point | 172-178 °C |
| Flash Point | 123.631°C |
| Vapor Presure | 0.001mmHg at 25°C |
| pKa | 7.63±0.15(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.631 |
4055-69-0 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36 - Irritating to the eyes R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
4055-69-0 - Introduction
2, is an organic compound with the chemical formula C8H8O4. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: yellow crystalline solid;
-melting point: about 185-188 ℃;
-Boiling point: about 345 ℃;
-Solubility: Soluble in ethanol and chloroform, slightly soluble in water;
-Molecular structure: It consists of a formaldehyde group with two hydroxyl groups and a methoxy group on a benzene ring.
Use:
-As an important intermediate in organic synthesis, it can be used to synthesize other organic compounds, such as dyes, medicines and pesticides;
-In the field of pharmaceutical research, it can be used as a potential drug molecule;
-Can be used as a precursor of dyes and pigments for industrial materials.
Preparation Method:
2, The preparation of the calcium salt can be carried out by the following steps:
1. reacting 3-amino -4-methoxybenzimide with acetonitrile to prepare 3-amino -4-methoxybenzimide;
2. Under the condition, 3-amino -4-methoxybenzimide is reacted with formaldehyde to generate 2, alkali;
3. Purify the product by crystallization to obtain the pure product.
Safety Information:
Nature:
-Appearance: yellow crystalline solid;
-melting point: about 185-188 ℃;
-Boiling point: about 345 ℃;
-Solubility: Soluble in ethanol and chloroform, slightly soluble in water;
-Molecular structure: It consists of a formaldehyde group with two hydroxyl groups and a methoxy group on a benzene ring.
Use:
-As an important intermediate in organic synthesis, it can be used to synthesize other organic compounds, such as dyes, medicines and pesticides;
-In the field of pharmaceutical research, it can be used as a potential drug molecule;
-Can be used as a precursor of dyes and pigments for industrial materials.
Preparation Method:
2, The preparation of the calcium salt can be carried out by the following steps:
1. reacting 3-amino -4-methoxybenzimide with acetonitrile to prepare 3-amino -4-methoxybenzimide;
2. Under the condition, 3-amino -4-methoxybenzimide is reacted with formaldehyde to generate 2, alkali;
3. Purify the product by crystallization to obtain the pure product.
Safety Information:
Last Update：2024-04-09 02:00:45
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