The pH value of calcium perchlorate in water is neutral, meaning it is neither acidic nor basic. When calcium perchlorate is dissolved in water, it forms a simple eutectic system with a eutectic composition of 4.2 mol/1000 g H2O. This is due to the highly symmetrical tetrahedral structure of the perchlorate ion, ClO−4, which is strongly stabilized in solution by its low electron-donating proton-accepting power and its relatively low polarizability.
Calcium Perchlorate: A Closer Look
Calcium perchlorate, with the chemical formula Ca(ClO4)2, is a strong inorganic oxidizing agent that can react with reducing agents when heated, generating heat and potentially gaseous products that can cause pressurization in closed containers. This reactivity is categorized as explosive, and it is important to handle calcium perchlorate with caution.
Calcium perchlorate is commonly seen in the presence of four water molecules, forming calcium perchlorate tetrahydrate Ca(ClO4)2·4H2O. This hygroscopic nature of calcium perchlorate is due to its ability to absorb moisture from the environment.
Exposure and Safety Considerations
Human exposure to calcium perchlorate can occur through ingestion, inhalation of dust particles, or skin contact. It is slightly toxic to humans, and exposure can cause irritation to the respiratory tract, skin, and eyes.
When handling calcium perchlorate, it is important to take precautions to prevent exposure. This includes wearing protective clothing, gloves, and eye protection, and working in a well-ventilated area. If calcium perchlorate comes into contact with the skin or eyes, it should be rinsed off immediately with water. If ingested, medical attention should be sought immediately.
Spill Management and Disposal
In the event of a spill, calcium perchlorate should be contained and cleaned up using a suitable absorbent material. The absorbent material should then be placed in a suitable container for disposal.
To prevent contamination of water sources, calcium perchlorate should not be disposed of in the environment. It should be disposed of in accordance with local regulations and guidelines.
Conclusion
In summary, the pH of calcium perchlorate in water is neutral, and it is a strong inorganic oxidizing agent that can react with reducing agents when heated. Calcium perchlorate is slightly toxic to humans and can cause irritation to the respiratory tract, skin, and eyes. When handling calcium perchlorate, it is important to take precautions to prevent exposure, and it should be disposed of in accordance with local regulations and guidelines.
References:
– Is Ca(ClO4)2 acidic, basic, or neutral (dissolved in water)? – YouTube
– PHG Perchlorate in Drinking Water – OEHHA
– Is CaCl2 an Acid, Base, or Neutral (in water)? – YouTube
– Calcium perchlorate | Ca(ClO4)2 | CID 61629 – PubChem
– Calcium perchlorate – Wikipedia