156-81-0
2,4-Diaminopyrimidine
CAS: 156-81-0
Molecular Formula: C4H6N4
156-81-0 - Names and Identifiers
| Name | 2,4-Diaminopyrimidine |
| Synonyms | DAP 2,4-Diaminopyrimidine pyrimidine-2,4-diamine pyrimidine-2,4-diamine pyrimidine-2,4-diyldiamine 2,4-Pyrimidinediamine (9CI) 3-Morpholinosydnoneimine HCl 2,4-Diaminopyrimidine (sulphate) 2,4-Diaminopyrimidine, 2,4-Diamino-1,3-diazine |
| CAS | 156-81-0 |
| EINECS | 205-862-3 |
| InChI | InChI=1/C4H6N4/c5-3-1-2-7-4(6)8-3/h1-2H,(H4,5,6,7,8) |
156-81-0 - Physico-chemical Properties
| Molecular Formula | C4H6N4 |
| Molar Mass | 110.12 |
| Density | 1.368±0.06 g/cm3(Predicted) |
| Melting Point | 143-147 °C (lit.) |
| Boling Point | 401.7±37.0 °C(Predicted) |
| Flash Point | 225.6°C |
| Water Solubility | 840 g/L (25 ºC) |
| Vapor Presure | 1.16E-06mmHg at 25°C |
| Appearance | Pale orange crystalline powder |
| Color | White to Almost white |
| pKa | 7.08±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,2-8°C |
| Refractive Index | 1.46-1.466 |
| MDL | MFCD00038023 |
| Physical and Chemical Properties | Melting Point: 143 - 148 |
156-81-0 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29335990 |
156-81-0 - Introduction
2,4-diaminopyrimidine is an organic compound with the chemical formula C4H6N4. It is a derivative of pyrimidine in which two amino groups are attached to the carbon atoms at positions 2 and 4.
Regarding properties, 2,4-diaminopyrimidine is a white crystalline solid, soluble in water and some organic solvents, such as alcohols and ketones. It is a basic compound that can react with acids to form salts. In addition, it also has fluorescent properties, emitting yellow fluorescence under ultraviolet light.
2,4-diaminopyrimidine is widely used in many fields. It is an important synthetic intermediate for the manufacture of compounds such as pyrimidine drugs, dyes, polymers and pesticides. It is also used as a component of DNA and RNA.
There are two main methods for preparing 2,4-diaminopyrimidine: one is to generate 2,4-diaminopyrimidine by reacting 2,4-dicyanopyrimidine with ammonia; the other is the production of 2,4-diaminopyrimidine by dehydrating aminopyrimidine.
Regarding safety, 2,4-diaminopyrimidine is a chemical and should be operated safely. It may be irritating to the eyes, skin and respiratory system. Contact with skin and inhalation of dust should be avoided. Appropriate protective equipment such as lab gloves, goggles and masks should be worn during use. At the same time, pay attention to fire prevention and avoid contact with oxidants during storage and handling.
Please note that the use of any chemical should follow the correct safety procedures, and refer to the safety data sheet and related information of the specific chemical substance to obtain accurate safety information.
Regarding properties, 2,4-diaminopyrimidine is a white crystalline solid, soluble in water and some organic solvents, such as alcohols and ketones. It is a basic compound that can react with acids to form salts. In addition, it also has fluorescent properties, emitting yellow fluorescence under ultraviolet light.
2,4-diaminopyrimidine is widely used in many fields. It is an important synthetic intermediate for the manufacture of compounds such as pyrimidine drugs, dyes, polymers and pesticides. It is also used as a component of DNA and RNA.
There are two main methods for preparing 2,4-diaminopyrimidine: one is to generate 2,4-diaminopyrimidine by reacting 2,4-dicyanopyrimidine with ammonia; the other is the production of 2,4-diaminopyrimidine by dehydrating aminopyrimidine.
Regarding safety, 2,4-diaminopyrimidine is a chemical and should be operated safely. It may be irritating to the eyes, skin and respiratory system. Contact with skin and inhalation of dust should be avoided. Appropriate protective equipment such as lab gloves, goggles and masks should be worn during use. At the same time, pay attention to fire prevention and avoid contact with oxidants during storage and handling.
Please note that the use of any chemical should follow the correct safety procedures, and refer to the safety data sheet and related information of the specific chemical substance to obtain accurate safety information.
Last Update：2024-04-09 21:54:55
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