sodium dihydrogen phosphate dihydrate msds

Safety Data Sheet Overview for Sodium Dihydrogen Phosphate Dihydrate

Introduction

Sodium dihydrogen phosphate dihydrate (NaH2PO4·2H2O) is a chemical compound used widely in various applications, including food processing, pharmaceuticals, and laboratory processes. Understanding its chemical properties, potential hazards, and safety measures is essential for safe handling and usage. This article summarizes the key points typically found in a Material Safety Data Sheet (MSDS) for sodium dihydrogen phosphate dihydrate, highlighting safety, environmental considerations, and first aid measures.

Chemical Identification

Sodium dihydrogen phosphate dihydrate is a white crystalline powder that is highly soluble in water. It is classified as a phosphate salt and presents a molecular weight of approximately 156.01 g/mol. Commonly referred to in the industry as monosodium phosphate, it is often used as a buffering agent or acidity regulator.

Physical and Chemical Properties

Sodium dihydrogen phosphate dihydrate typically appears as colorless to white crystals or powder. The melting point of this compound is around 60 °C (140 °F), and it decomposes upon heating, releasing phosphoric acid and other derivatives. Posing a low hazard on the environmental toxicity scale, it has a pH of approximately 4.5–5.5 when dissolved in water, making it suitable for neutralizing alkaline substances.

Hazards Identification

- Inhalation Dust generated from handling the powder can irritate the respiratory tract, causing symptoms such as coughing or shortness of breath. - Skin and Eye Contact Direct exposure can lead to irritation; prolonged contact may result in more severe reactions, including redness or itching. - Ingestion Ingesting large quantities can cause gastrointestinal distress, though such incidents are rare.

Safety Measures

When working with sodium dihydrogen phosphate dihydrate, the following safety precautions are recommended

- Personal Protective Equipment (PPE) Use appropriate PPE, including gloves, goggles, and respiratory protection if dust exposure is anticipated. Lab coats should also be worn to protect skin and clothing. - Ventilation Ensure adequate ventilation in the work area to minimize dust accumulation and inhalation risk. - Hygiene Practices Avoid eating, drinking, or smoking in areas where the compound is handled to prevent accidental ingestion. Wash hands thoroughly after working with the chemical.

First Aid Measures

In the event of exposure, prompt first aid can mitigate the severity of health effects

- Inhalation Move the affected individual to an area with fresh air. If symptoms persist, seek medical attention. - Skin Contact Rinse the affected area with plenty of water for at least 15 minutes. Remove contaminated clothing and seek medical help if irritation continues. - Eye Contact Immediately flush eyes with running water for at least 15 minutes, keeping eyelids open. Seek medical attention promptly. - Ingestion Rinse the mouth but do not induce vomiting. Seek medical attention immediately for further assessment.

Environmental Impact

Sodium dihydrogen phosphate dihydrate is considered to have low environmental impact when used responsibly. However, it is crucial to avoid releasing chemicals into waterways or soil. Spills should be contained and collected rather than washed away. Dispose of waste in accordance with local regulations and guidelines.

Conclusion

Sodium dihydrogen phosphate dihydrate is a valuable chemical in various industries due to its properties and versatility. However, like all chemicals, it poses certain health hazards if not handled appropriately. Following the guidelines set forth in its MSDS can significantly reduce risks associated with exposure. By employing correct safety measures, performing first aid protocols as needed, and ensuring environmentally responsible practices, users can safely work with sodium dihydrogen phosphate dihydrate to leverage its benefits effectively. Always consult the specific MSDS for your batch of sodium dihydrogen phosphate dihydrate for precise safety information and regulatory compliance.