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Ammonium Sulfide is an inorganic compound in nature. We distinguish it as an ionic compound. You can also refer to it as azaniumylsulfanylazanium or diammonium sulfide. This compound is quite significant for the photography and textile industry. It is so because it has its common usage as a solution in developing photographs and manufacturing of textile. Let’s learn further about Ammonium Sulfide Formula below.
Ammonium Sulfide Formula and Structure
The formula for Ammonium Sulfide is written as (NH4)2S. Similarly, the molar mass of Ammonium Sulfide is 66.122 g mol-1. If we talk about the formation of this molecule, we see that it forms with the help of 1 centred sulfur atom to which 2 ammonium cations NH4+ attach. Further, one can write the chemical structure of the formula as below, in the common representations which we use for organic molecules.
Ammonium Sulfide Structural Formula
Occurrence
It is proven that Ammonium Sulfide does not naturally occur in nature as a free compound. On the contrary, one must prepare it and the method for preparing this compound is as follows:
In order to prepare Ammonium Sulfide, one needs to get the reaction of ammonia and hydrogen sulfide.
HS + exc NH3 → (NH4)2S
Physical Properties
The compound of Ammonium Sulfide is yellow-orange in colour. At temperatures below -18 ºC, it is crystalline solid. Further, if we talk about how it smells, it has quite an unpleasant smell which is similar to that of rotten eggs and ammonia odor.
Further, the melting point of Ammonium Sulfide is 0 °C whereas the boiling point is 40 °C. In addition to this, the density of Ammonium Sulfide is 1 g mL-1. It is also soluble with two things which are water and ethanol. Similarly, the thing it is not soluble with is toluene, benzene, hexane, and ether. Most importantly, it is unstable at temperatures that go higher than 0 ºC.
Ammonium Sulfide Properties
| Ammonium Sulfide Properties | |
| Name | Ammonium Sulphide |
| Also Known as | Stink Bomb |
| Appearance | Yellow crystal |
| Chemical Formula | (NH4)2S or N2H8S |
| Molar Mass | 66.13 g/mol |
| Density | 0.997 g/cm3 |
Chemical Properties
It is not that hard to find and one can generally find it in mixtures with ammonia and hydrogen sulfide as because of which it suffers dissociation:
(NH4)2S → HS + NH3
Uses
One uses Ammonium Sulfide in a lot of things. Mostly, it comes in use a lot when one wants to prank others. Thus, if you wish to create a ‘stink bomb’, you may use it to do that. It is an aqueous dilution of the compound. When you will immerse that stink bomb in the water, it decomposes in ammonia and hydrogen sulfide.
Thus, that creates an unpleasant smell. Similarly, one also uses it in developing photographs. This compound is used as a patina which one can apply to bronze. Further, it also comes in use during the textile procedures. Not only that, but one can also use Ammonium Sulfide in the form of a reducing agent in certain organic synthesis methodologies.
Safety Hazards
One must always be careful when using Ammonium Sulfide. It is so because it carries the ability to cause eye, mucous and skin irritation. Moreover, the nasty smell of the compound may make one feel nauseous. Most importantly, always remember to keep it away from the fire as it is flammable and may cause great damage if exposed to it.
Solved Question for You
Question- Which reaction is required to prepare Ammonium Sulfide?
- a) The reaction of Nitrogen and Barium Nitrate
- b) The reaction of Ammonia and Hydrogen Sulfide
- c) The reaction of Carbon and Ammonium Phosphate
- d) The reaction of Cyanide and Dinitrogen Monoxide
Answer- The correct answer is option B. To prepare Ammonium Sulfide, you need to react ammonia with hydrogen sulfide.
FAQs on Ammonium Sulfide Formula
What is the Ammonium Sulfide Formula?
Ans: Ammonium sulphide is an inorganic compound. It is a very toxic and explosive chemical and has a very strong and unpleasant smell because of the presence of sulphur in it. It is made up of two ammonium ions centered around a sulphur atom. The chemical formula of ammonium sulphide is (NH4)2S, which represents the constituent elements and ions present in the inorganic compound.
What is Ammonium Sulfide Formula?
Ammonium sulphide or ammonium sulfide is a chemical compound that is composed of sulphur and ammonium ions. It is more commonly known as a “stink bomb” because of its explosive properties. The IUPAC name of the compound is ammonium sulfide and the formula of ammonium sulfide is given as (NH4)2S. The ammonium sulfide molar mass can be determined from the ammonium sulfide chemical formula (or ammonium sulphide chemical formula) 68.154 g/mol. Due to the two ammonium ions present in the ammonium sulphide formula, it is also sometimes commonly known as Diammonium sulfide.
What is the Name of (NH4)2S?
Ans: From the given molecular formula it is clear that it consists of two constituents – sulphur and ammonium ions. There are two ammonium ions centered around the sulphur atom. In this compound, the two ammonium ions are positively charged and the sulphur atom is negatively charged with a charge value of two. Thus, the neutralized compound thus formed has sulphur anion with a -2 charge, a characteristic of sulfide. Hence, the given compound is known as ammonium sulphide. It can also be called diammonium sulphide because of the presence of two ammonium groups in the compound.
What is Ammonium Sulphide Used For?
Ans: Ammonium sulphide is a yellow coloured chemical compound. It is more commonly known as a “stink bomb” because of the very pungent odour owing to its constituent sulphur. It is mainly used in the photographic developers’ industry, the textile industry, and as a patina to the bronze. They utilize the property of ammonium sulphide as a reducing agent. Due to this property, it is also used in certain chemical synthesis methodologies as well.
What is the molecular formula of ammonium sulfide?
The molecular formula of ammonium sulfide is (NH4)2S.
What are the properties of ammonium sulfide?
Ammonium sulfide is also known as ‘stink bomb’, appears as a yellow crystal, has a molar mass of 66.13 g/mol and a density of 0.997 g/cm3.
What are the uses of ammonium sulfide?
Ammonium sulfide is used in the manufacture of photographic developers, in the textile industry, and in the application of the patina to bronze.
Is the Ammonium Sulfide Insoluble?
Answer:
Ammonium sulfide is a yellowish solid at low temperatures, but unstable above 18°C and has a very strong and extremely unpleasant odor of rotten eggs. It is well soluble in water and ammonia, as well as alcohol.
Is Ammonium Sulfide a Covalent Bond?
Answer:
In ammonium sulfide, the ammonium cation and the sulfide anion are ionically bonded to each other, although all atoms are non-metallic. The difference in electronegativity between ammonium and sulfur ions allows for ionic bonding. At the same time, the hydrogen atom is covalently bonded to the nitrogen atom.
Is Ammonium Sulfide a Reducing Agent?
Answer:
It can be used as a selective reducing agent (see 2,4-dinitrochlorobenzene); If there are two nitro groups, only one of them is selectively reduced.
Is Ammonium Sulfide Ionic or Covalent?
Answer:
In ammonium sulfide, the ammonium cation and the sulfide anion are ionically bonded to each other, although all atoms are non-metallic. The difference in electronegativity between ammonium and sulfur ions allows for ionic bonding. At the same time, the hydrogen atom is covalently bonded to the nitrogen atom.
Is it legal to detonate stink bombs?
Answer:
This issue may be considered at Monday’s board meeting. A stink bomb is a glass bottle about an inch long that contains a chemical that produces an unpleasant odor that can make people sick or harm asthmatics. State law permits to purchase or possession, but use is illegal.
Why Use Ammonium Sulfate in Bread?
Answer:
A variety of baked goods, including pita bread, steamed buns, bagels, English muffins, and muffins, contain this ingredient. In addition to its role in regulating the pH of flour and baked goods, increasing volume, texture, and crumbiness, and extending shelf life, this ingredient also provides nitrogen for yeast growth.
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