145551-16-2
5',5'-Dinitro-3',3'-diiodo-3,4,5,6-trtrabromophenol-sulfonephthalein
CAS: 145551-16-2
Molecular Formula: C19H6Br4I2N2O9S
145551-16-2 - Names and Identifiers
145551-16-2 - Physico-chemical Properties
| Molecular Formula | C19H6Br4I2N2O9S |
| Molar Mass | 1011.75 |
| Density | 2.717±0.06 g/cm3(Predicted) |
| Boling Point | 735.4±60.0 °C(Predicted) |
| pKa | 2.72±0.50(Predicted) |
| Storage Condition | 2-8℃ |
145551-16-2 - Risk and Safety
| HS Code | 38220090 |
145551-16-2 - Introduction
5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, is a chemical compound whose Properties, Uses, preparation methods and safety information are as follows:
Nature:
-Appearance is yellow crystalline powder
-Soluble in organic solvents such as dimethyl sulfoxide and chloroform
-Insoluble in water
-Decomposes at higher temperatures
Use:
- 5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, is an indicator, commonly used in acid-base titration and pH indicator experiments.
-It can indicate the acidity and alkalinity of the solution through the change of color.
Method:
- 5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, Ni preparation method is more complicated. It is usually synthesized by a multi-step reaction.
-First, 3,4,5,6-tetrabromophenol needs to be synthesized, and then Nitro and iodine atoms are introduced through nitration and iodination reactions.
-Finally, the synthesized product is reacted with sulfonphthalein to form the final target compound.
Safety Information:
- 5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, is a toxic compound.
-Safety measures must be taken during Operation or contact, such as wearing protective gloves and glasses to ensure good ventilation conditions.
-Avoid inhaling dust or contact with the skin, eyes and respiratory tract.
-Waste must be disposed of in accordance with local regulations and must not be discharged at will.
Nature:
-Appearance is yellow crystalline powder
-Soluble in organic solvents such as dimethyl sulfoxide and chloroform
-Insoluble in water
-Decomposes at higher temperatures
Use:
- 5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, is an indicator, commonly used in acid-base titration and pH indicator experiments.
-It can indicate the acidity and alkalinity of the solution through the change of color.
Method:
- 5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, Ni preparation method is more complicated. It is usually synthesized by a multi-step reaction.
-First, 3,4,5,6-tetrabromophenol needs to be synthesized, and then Nitro and iodine atoms are introduced through nitration and iodination reactions.
-Finally, the synthesized product is reacted with sulfonphthalein to form the final target compound.
Safety Information:
- 5 ',5'-Dinitro-3 ',3'-diiodo-3,4,5, is a toxic compound.
-Safety measures must be taken during Operation or contact, such as wearing protective gloves and glasses to ensure good ventilation conditions.
-Avoid inhaling dust or contact with the skin, eyes and respiratory tract.
-Waste must be disposed of in accordance with local regulations and must not be discharged at will.
Last Update：2024-04-09 02:00:52
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View History
145551-16-2
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