1-甲基-1H-四唑
1-METHYL-1H-TETRAZOLE
CAS: 16681-77-9
Molecular Formula: C2H4N4
1-甲基-1H-四唑 - Names and Identifiers
| Name | 1-METHYL-1H-TETRAZOLE |
| Synonyms | 1-Methyltetrazole N-Methyltetrazole N-methyl-1H-tetrazole 1-METHYL-1H-TETRAZOLE 1H-tetrazole,1-methyl- 1-METHYL-1H-TETRAAZOLE 1-METHYL-1,2,3,4-TETRAZOLE 1-Methyl-1H-tetrazole(MTZ) |
| CAS | 16681-77-9 |
| InChI | InChI=1/C2H4N4/c1-6-2-3-4-5-6/h2H,1H3 |
1-甲基-1H-四唑 - Physico-chemical Properties
| Molecular Formula | C2H4N4 |
| Molar Mass | 84.08 |
| Density | 1.40±0.1 g/cm3(Predicted) |
| Melting Point | 37.0 to 41.0 °C |
| Boling Point | 81°C/0.1mmHg(lit.) |
| Flash Point | 57.4°C |
| Vapor Presure | 1.41mmHg at 25°C |
| pKa | 1.09±0.10(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.664 |
1-甲基-1H-四唑 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1325 4.1/PG III |
| Hazard Class | 4.1 |
| Packing Group | III |
1-甲基-1H-四唑 - Introduction
1-METHYL-1H-TETRAZOLE is an organic compound with the chemical formula C2H3N3. Its properties include:
1. Appearance: white crystal or crystalline powder;
2. Melting Point: 255-256 C;
3. Stability: stable at room temperature, but will decompose at high temperature or when heated.
It has a wide range of uses in many fields, including:
1. Pharmaceutical field: Often used as an intermediate for the synthesis of drugs;
2. Pesticide field: can be used for synthetic pesticides, fungicides and other pesticides;
3. Field of pyrotechnics: as a combustion enhancer or oxidant, it can be used to prepare propellants, fireworks, etc;
4. Material field: It can be used in the synthesis process of dyes, polymers, metal corrosion inhibitors, etc.
In preparation, 1-METHYL-1H-TETRAZOLE is generally synthesized by the following method:
1. Bromoacetonitrile method: methacrylonitrile is added in the presence of bromoacetonitrile to produce 1-methyl-2-bromo-2h-pentazole, which is then reduced and alkaline to produce the final product;
2. Acetyl chloride method: methacrylonitrile reacts with acetyl chloride to generate 1-methyl -2-chlorine -2H-pentazole, and then the target product can be obtained by ammonia reduction and alkaline hydrolysis reaction.
For safety information, 1-METHYL-1H-TETRAZOLE may cause irritation to the eyes, skin, and respiratory system. Therefore, care should be taken to wear appropriate personal protective equipment, such as respirators, protective glasses and gloves. In addition, contact with strong oxidants and high-temperature substances should be avoided to prevent possible fire or explosion risks. When handling the compound, safe operating procedures should be observed, and the compound should be properly stored, handled and disposed.
1. Appearance: white crystal or crystalline powder;
2. Melting Point: 255-256 C;
3. Stability: stable at room temperature, but will decompose at high temperature or when heated.
It has a wide range of uses in many fields, including:
1. Pharmaceutical field: Often used as an intermediate for the synthesis of drugs;
2. Pesticide field: can be used for synthetic pesticides, fungicides and other pesticides;
3. Field of pyrotechnics: as a combustion enhancer or oxidant, it can be used to prepare propellants, fireworks, etc;
4. Material field: It can be used in the synthesis process of dyes, polymers, metal corrosion inhibitors, etc.
In preparation, 1-METHYL-1H-TETRAZOLE is generally synthesized by the following method:
1. Bromoacetonitrile method: methacrylonitrile is added in the presence of bromoacetonitrile to produce 1-methyl-2-bromo-2h-pentazole, which is then reduced and alkaline to produce the final product;
2. Acetyl chloride method: methacrylonitrile reacts with acetyl chloride to generate 1-methyl -2-chlorine -2H-pentazole, and then the target product can be obtained by ammonia reduction and alkaline hydrolysis reaction.
For safety information, 1-METHYL-1H-TETRAZOLE may cause irritation to the eyes, skin, and respiratory system. Therefore, care should be taken to wear appropriate personal protective equipment, such as respirators, protective glasses and gloves. In addition, contact with strong oxidants and high-temperature substances should be avoided to prevent possible fire or explosion risks. When handling the compound, safe operating procedures should be observed, and the compound should be properly stored, handled and disposed.
Last Update：2024-04-09 21:48:26
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CAS: 16681-77-9
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