CompoundList
Sign in
Chlorides and other halides

Silver iodide

Also known as Neosiluol, Silver monoiodide, Silver iodide (AgI)

CAS 7783-96-2Formula AgIMolar mass 234.77 g/molEC 232-038-0
GHS signal word: Warning. Pictograms: Hazardous to the environment 25 suppliers listed Drug substance
Get quotes Compare 25 suppliers
Silver iodide chemical structure, AgI, CAS 7783-96-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Light yellow, powder, crystals are hexagonal or cubic
Melting point
552 °C
Boiling point
1,506 °C
Density
5.67
Solubility
In water, 28 × 10⁻⁷ g/l @ 25 °C, 25 × 10⁻⁶ g/l at 60 °C
HS code
284329
Category
Chlorides and other halides
Illustrative photo, off-white crystalline powder with an amber glass bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Silver iodide?

Plain description, key identifiers and synonyms

Silver iodide is a chemical substance with the molecular formula AgI and a molar mass of 234.77 g/mol. Its CAS registry number is 7783-96-2. The IUPAC name is iodosilver.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
iodosilver
CAS number
7783-96-2 CAS number cross-checked
EC number
232-038-0
Molecular formula
AgI
MDL number
MFCD00003412
InChIKey
MSFPLIAKTHOCQP-UHFFFAOYSA-M
InChI
InChI=1S/Ag.HI/h;1H/q+1;/p-1
SMILES (canonical and isomeric)
[Ag]I

Synonyms

  • Neosiluol
  • Silver monoiodide
  • Silver iodide (AgI)
  • Neosilvol
  • Silver(1+) iodide
  • Colloidal silver iodide
  • Argentum Iodatum
  • Iodure d'argent
  • Silvermonoiodide
  • iodeto de prata
  • yoduro de plata
  • ioduro d'argento
  • Silver iodide, 99%
  • Silver iodide, 99.999% trace metals basis
  • Silver iodide, Premion?, 99.999% (metals basis)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Light yellow, powder, crystals are hexagonal or cubicexp.
Odour
Odorlessexp.
Taste
Tastelessexp.
Melting point
552 °Cexp.
Boiling point
1,506 °Cexp.
Density
5.67exp.
Solubility
In water, 28 × 10⁻⁷ g/l @ 25 °C, 25 × 10⁻⁶ g/l at 60 °Cexp.
Vapour pressure
1 MM HG @ 820 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
234.77 g/molcalc.
Exact mass
233.8096 Dacalc.
LogP (octanol/water)
0.88calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Silver iodide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 25 suppliers
25 of 25 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

25 suppliers in 6 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Silver iodide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Photography, laboratory reagent, cloud seeding for artificial rainmaking.

Veterinary medication:.

Chemical intermediate for silver tetraiodomercurate.

How it is made

Heating a silver nitrate solution with an alkali iodide solution, followed by washing (of precipitate) with boiling water in the dark or under ruby red illumination.

Kolkmeijer, Van Hengel, Z Kristallogr A88, 317 (1934). Prepd according to equation AgNO3 + KI yields AgI + KNO3.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Silver iodide is traded under.

HS 2843.29Indicative HS code

Silver compounds, other

World exports in 2024
$631M
+295% vs 2023, imports $228M
2019 to 2024
Top exporters
  1. United Kingdom80.3%
  2. Germany5.0%
  3. Japan3.8%
Top importers
  1. Germany23.3%
  2. Switzerland * partner reported12.4%
  3. Malaysia11.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Silver iodide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Silver iodide, based on the data on this page

What is Silver iodide?

Silver iodide is a chemical substance with the molecular formula AgI and a molar mass of 234.77 g/mol. Its CAS registry number is 7783-96-2. The IUPAC name is iodosilver.

What is the CAS number of Silver iodide?

The CAS registry number of Silver iodide is 7783-96-2.

What is the molecular formula and weight of Silver iodide?

The molecular formula of Silver iodide is AgI and its molar mass is 234.77 g/mol.

What is Silver iodide used for?

Photography, laboratory reagent, cloud seeding for artificial rainmaking. Veterinary medication:. Chemical intermediate for silver tetraiodomercurate.

Is Silver iodide hazardous?

Silver iodide carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Silver iodide?

Silver iodide is usually classified under HS code 284329 (Silver compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Silver iodide?

CompoundList lists 25 suppliers of Silver iodide in India, China, United States, Chile and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Silver iodide in India?

9 suppliers in India list Silver iodide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Silver iodide?

Suppliers quote Silver iodide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Silver iodide

Get quotes for Silver iodide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Silver iodide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Silver iodide with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/silver-iodide-7783-96-2" title="Silver iodide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Chlorides and other halides or HS code 284329

25 suppliers
Free quotes, contact stays private
Get quotes