3,4-Dimethoxythiophenol
3,4-Dimethoxythiophenol
CAS: 700-96-9
Molecular Formula: C8H10O2S
3,4-Dimethoxythiophenol - Names and Identifiers
| Name | 3,4-Dimethoxythiophenol |
| Synonyms | 4-MERCAPTOVERATROL 4-MERCAPTOVERATROLE 3,4-DIMETHOXYTHIOPHE 3,4-Dimethoxythiophenol 3,4-DIMETHOXYTHIOPHENOL 3,4-DIMETHOXYBENZENETHIOL 3,4-Dimethoxybenzenethiol 3,4 Dimethoxy Thiophenole 3,4-DIMETHOXYPHENYLMERCAPTAN |
| CAS | 700-96-9 |
| EINECS | 628-369-9 |
| InChI | InChI=1/C8H10O2S/c1-9-7-4-3-6(11)5-8(7)10-2/h3-5,11H,1-2H3 |
3,4-Dimethoxythiophenol - Physico-chemical Properties
| Molecular Formula | C8H10O2S |
| Molar Mass | 170.23 |
| Density | 1.175 g/mL at 25 °C |
| Melting Point | 99-100 °C |
| Boling Point | 162 °C (25 mmHg) |
| Flash Point | >230°F |
| BRN | 1945136 |
| pKa | 6.52±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.591 |
3,4-Dimethoxythiophenol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
| HS Code | 29309090 |
| Hazard Class | STENCH |
3,4-Dimethoxythiophenol - Introduction
3,4-Dimethoxythiophenol is an organic compound with the chemical formula C8H10O2S. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
-Appearance: 3,4-Dimethoxythiophenol is a colorless to slightly yellow solid.
-Melting point: about 25-30°C.
-Boiling point: about 110°C.
-Solubility: It is soluble in ether, alcohol and acid, slightly soluble in water.
Use:
-Chemical intermediate: 3,4-Dimethoxythiophenol can be used as an intermediate for the synthesis of other organic compounds.
-Preservative: It has certain antibacterial, antifungal and antioxidant properties, so it is often used as a preservative.
Preparation Method:
The preparation method of 3,4-Dimethoxythiophenol can be carried out by the following steps:
1. Reaction of 3,4-dimethoxybenzoic acid and methyl thioacetate to obtain the intermediate of 3,4-Dimethoxythiophenol.
2. The intermediate is subjected to a degradation reaction under acidic conditions to obtain 3,4-Dimethoxythiophenol.
Safety Information:
- 3,4-Dimethoxythiophenol has not been extensively studied for its toxicity and harmfulness, but attention should be paid to the following safe operations:
-Wear appropriate personal protective equipment such as gloves, goggles and lab coats when used.
-Avoid contact with skin and eyes, such as accidental contact, should immediately rinse with plenty of water.
-During operation, good ventilation should be maintained to avoid inhalation of its vapor or dust.
-should be stored in a sealed container, and stored in a cool, dry place, away from the fire and oxidant.
Please note that this is only a basic description of 3,4-dimethoxythiophenol, and the specific application and safety depend on the specific situation and conditions. When using, the relevant Material Safety Data Sheets (MSDS) and operating procedures should be carefully read and followed.
Nature:
-Appearance: 3,4-Dimethoxythiophenol is a colorless to slightly yellow solid.
-Melting point: about 25-30°C.
-Boiling point: about 110°C.
-Solubility: It is soluble in ether, alcohol and acid, slightly soluble in water.
Use:
-Chemical intermediate: 3,4-Dimethoxythiophenol can be used as an intermediate for the synthesis of other organic compounds.
-Preservative: It has certain antibacterial, antifungal and antioxidant properties, so it is often used as a preservative.
Preparation Method:
The preparation method of 3,4-Dimethoxythiophenol can be carried out by the following steps:
1. Reaction of 3,4-dimethoxybenzoic acid and methyl thioacetate to obtain the intermediate of 3,4-Dimethoxythiophenol.
2. The intermediate is subjected to a degradation reaction under acidic conditions to obtain 3,4-Dimethoxythiophenol.
Safety Information:
- 3,4-Dimethoxythiophenol has not been extensively studied for its toxicity and harmfulness, but attention should be paid to the following safe operations:
-Wear appropriate personal protective equipment such as gloves, goggles and lab coats when used.
-Avoid contact with skin and eyes, such as accidental contact, should immediately rinse with plenty of water.
-During operation, good ventilation should be maintained to avoid inhalation of its vapor or dust.
-should be stored in a sealed container, and stored in a cool, dry place, away from the fire and oxidant.
Please note that this is only a basic description of 3,4-dimethoxythiophenol, and the specific application and safety depend on the specific situation and conditions. When using, the relevant Material Safety Data Sheets (MSDS) and operating procedures should be carefully read and followed.
Last Update：2024-04-10 22:29:15
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