pyrimidine-2,4-dithiol
Dithiouracil
CAS: 2001-93-6
Molecular Formula: C4H4N2S2
pyrimidine-2,4-dithiol - Names and Identifiers
| Name | Dithiouracil |
| Synonyms | Dithiouracil 2￡4-Dimercapto 2,4-dithio-uraci Dithiopyrimidine 2,4-Dithiopyrimidine Pyrimidine-2,4(1H,3H) 2,4-Dithioxopyrimidine pyrimidine-2,4-dithiol PYRIMIDINE-2,4-DITHIOL 2,4-dimercaptopyrimidine 2,4(1H,3H)-Pyrimidinedithione pyrimidine-2,4(1H,3H)-dithione Pyrimidine-2,4(1H,3H)-dithione, 2,4-Dithioxo-1,2,3,4-tetrahydropyrimidine |
| CAS | 2001-93-6 |
| EINECS | 217-894-5 |
| InChI | InChI=1/C4H4N2S2/c7-3-1-2-5-4(8)6-3/h1-2H,(H2,5,6,7,8) |
pyrimidine-2,4-dithiol - Physico-chemical Properties
| Molecular Formula | C4H4N2S2 |
| Molar Mass | 144.22 |
| Density | 1.391 (estimate) |
| Melting Point | 279-281 °C (dec.) (lit.) |
| Boling Point | 225.6±23.0 °C(Predicted) |
| Flash Point | 90.3°C |
| Vapor Presure | 0.0855mmHg at 25°C |
| Appearance | White crystalline powder |
| pKa | 6.55±0.20(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | 1.5000 (estimate) |
| MDL | MFCD00014471 |
pyrimidine-2,4-dithiol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | YR0175000 |
| HS Code | 29335990 |
pyrimidine-2,4-dithiol - Introduction
Dithiouracil, chemical formula CS(NH2)2, also known as thionine, is an organic compound. The following is a description of the nature, use, preparation and safety information of Dithiouracil:
Nature:
-Appearance: Dithiouracil is usually a colorless crystalline or white solid.
-Solubility: It is soluble in water and some organic solvents, such as ethanol and acetone.
-Melting point: The melting point of Dithiouracil is about 203-209 degrees Celsius.
-Chemical properties: It is a reducing agent that can react with oxygen to generate sulfur dioxide and nitrogen.
Use:
-Pharmaceutical field: Dithiouracil is used to synthesize a series of drugs, including drugs for anti-metabolic diseases and cardiovascular diseases.
-Agriculture: It can be used as an intermediate for pesticides and fungicides for crop protection.
-cosmetics industry: Dithiouracil can be used for skin moisturizing, whitening and other cosmetic products.
Method:
- Dithiouracil can be prepared by the reaction of thiocyanic acid and ammonia. Dithiouracil can be prepared by first reacting thiocyanic acid with ammonia to produce thiamide, and then reacting it with acid.
Safety Information:
- Dithiouracil is a corrosive substance that may cause irritation when in contact with skin or eyes.
-When using Dithiouracil should be careful to avoid inhalation of its dust, wear protective glasses, gloves and respiratory protection equipment.
-The report states that Dithiouracil is ecotoxic to the environment and may cause harm to aquatic organisms.
-When handling and storing Dithiouracil, the relevant safety procedures should be observed.
Nature:
-Appearance: Dithiouracil is usually a colorless crystalline or white solid.
-Solubility: It is soluble in water and some organic solvents, such as ethanol and acetone.
-Melting point: The melting point of Dithiouracil is about 203-209 degrees Celsius.
-Chemical properties: It is a reducing agent that can react with oxygen to generate sulfur dioxide and nitrogen.
Use:
-Pharmaceutical field: Dithiouracil is used to synthesize a series of drugs, including drugs for anti-metabolic diseases and cardiovascular diseases.
-Agriculture: It can be used as an intermediate for pesticides and fungicides for crop protection.
-cosmetics industry: Dithiouracil can be used for skin moisturizing, whitening and other cosmetic products.
Method:
- Dithiouracil can be prepared by the reaction of thiocyanic acid and ammonia. Dithiouracil can be prepared by first reacting thiocyanic acid with ammonia to produce thiamide, and then reacting it with acid.
Safety Information:
- Dithiouracil is a corrosive substance that may cause irritation when in contact with skin or eyes.
-When using Dithiouracil should be careful to avoid inhalation of its dust, wear protective glasses, gloves and respiratory protection equipment.
-The report states that Dithiouracil is ecotoxic to the environment and may cause harm to aquatic organisms.
-When handling and storing Dithiouracil, the relevant safety procedures should be observed.
Last Update：2024-04-09 02:00:44
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