Silver nitrate

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Properties

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General

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Name

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Silver (I) nitrate

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Chemical formula

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AgNO3

Related Topics:
Ag - NO₃

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Appearance

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White solid

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Physical

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Formula weight

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169.9 amu

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Melting point

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485 K (212 °C)

Related Topics:
K - °C

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Boiling point

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decomposes at 713 K (440 °C)

Related Topics:
K - °C

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Density

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4.4 ×103 kg/m3

Related Topics:
Kg - M

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Crystal structure

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?

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Solubility

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245 g in 100g water

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Thermochemistry

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Safety

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Ingestion

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Very toxic, may cause serious injury or death.

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Inhalation

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Severe irritant, long-term effects also known.

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Skin

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Staining, higher concentrations are corrosive and dangerous.

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Eyes

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Extremely dangerous, causes blindness. Seek medical attention immediately.

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More info

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Hazardous Chemical Database

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SI units were used where possible. Unless otherwise stated, standard conditions were used.

Related Topics:
SI - Standard

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Disclaimer and references

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Silver nitrate is a chemical compound with chemical formula AgNO3. This nitrate of silver is a light-sensitive ingredient in photographic film and is a poisonous, corrosive compound. Silver nitrate crystals can be produced by dissolving silver in nitric acid and evaporating the solution. The compound notably stains skin a greyish or black color that is made visible after exposure to sunlight.

Related Topics:
Chemical compound - Chemical formula - Ag - N - O - Nitrate - Photographic film - Nitric acid - Evaporating

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When making photographic film, fine silver nitrate particles are bonded to strips of tri-acetate or polyester. Photons from sunlight, X-rays or other sources, initiate a purported chemical chain reaction: when photons strike silver nitrate molecules, they free electrons from the silver ions. These free electrons roam through the crystal and settle in structural imperfections called sensitivity specks. These specks apparently attract positive silver ions, which are then neutralized to form groups of stable silver atoms, creating a latent image that is chemically developed to reveal a photographic image.

Related Topics:
Photographic film - Acetate - Polyester - Photon - X-rays - Electrons - Ion - Sensitivity speck - Atoms

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Silver nitrate has been used as an antiseptic, dropped into newborn babies' eyes at birth. This is to prevent contraction of gonorrhoea or chlamydia from their mother. A very weak solution is used for this, (about 1%) and there are very few side effects.

Related Topics:
Antiseptic - Newborn babies - Gonorrhoea - Chlamydia - Side effect

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Mythically, Silver Nitrate was used as a method of killing Vampires, with the Silver Nitrate generally being injected into a bullet or used in a hypodermic needle.

Related Topics:
Vampires - Hypodermic needle

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Fused silver nitrate, shaped into sticks, was traditionally called lunar caustic and used as a cauterizing agent.

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