what is the disadvantage of nh4oh

In what way? Technically, there is no such compound.

The disadvantage of NH4OH, or ammonium hydroxide, is primarily due to its hazardous properties. Here’s how to find more information about its disadvantages:

1. Search using reliable sources: To get a comprehensive understanding of the disadvantages of ammonium hydroxide, you can search for information using search engines like Google or Bing. Be sure to click on credible sources such as scientific journals, government websites, or reputable educational institutions.

2. Safety data sheets (SDS): SDS provides detailed information on the hazards associated with a chemical, including ammonium hydroxide. Manufacturers and suppliers typically provide SDS for their products, which contain information on the chemical's safety precautions, risks, and first aid measures. You can search for the specific SDS of ammonium hydroxide to learn about its disadvantages.

3. Chemical databases: Chemical databases like PubChem or ChemSpider offer detailed records on various compounds and chemicals, including ammonium hydroxide. These databases provide information on toxicological properties, environmental hazards, and any disadvantages associated with a chemical.

It's important to note that ammonium hydroxide can be caustic, irritative, and harmful if ingested, inhaled, or comes into contact with the skin or eyes. It can cause irritation, burns, or other adverse health effects. Additionally, it should be handled carefully and stored appropriately due to its potential to release toxic ammonia gas if not handled and stored properly.