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Sulfates and sulfur salts

Silver sulfide

Also known as silver sulphide, Argentite 6X, Pyrargyrite 6 Special Order

CAS 12751-47-2Formula Ag2SMolar mass 247.80 g/molEC 244-438-2
5 suppliers listed Drug substance
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Silver sulfide chemical structure, Ag2S, CAS 12751-47-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12751-47-2
Formula
Ag2S
Molar mass
247.80 g/mol
EC number
244-438-2
HS code
284329
Category
Sulfates and sulfur salts

What is Silver sulfide?

Plain description, key identifiers and synonyms

Silver sulfide is a chemical substance with the molecular formula Ag2S and a molar mass of 247.80 g/mol. Its CAS registry number is 12751-47-2. The IUPAC name is disilver, sulfide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
disilver, sulfide
CAS number
12751-47-2Other or deprecated CAS: 21548-73-2
EC number
244-438-2
Molecular formula
Ag2S
UNII
9ZB10YHC1C
InChIKey
XUARKZBEFFVFRG-UHFFFAOYSA-N
InChI
InChI=1S/2Ag.S/q2*+1;-2
SMILES (canonical and isomeric)
[S-2].[Ag+].[Ag+]

Synonyms

  • silver sulphide
  • Argentite 6X
  • Pyrargyrite 6 Special Order
  • Dyscrasite 30 Special Order
  • Silver monosulfide
  • sulfanylidenesilver
  • disilver(1+) sulfide
  • disilver, sulfide
  • Silversulphide
  • Ag2S
  • Silver (I) Sulfide
  • silver(I) sulfide (acanthite)

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
247.80 g/molcalc.
Exact mass
245.7823 Dacalc.
LogP (octanol/water)
-0.01calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Silver sulfide suppliers

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

All 5 suppliers
5 of 5 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

5 suppliers in 4 countries

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Silver sulfide 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.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Silver sulfide 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 sulfide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Silver sulfide?

Silver sulfide is a chemical substance with the molecular formula Ag2S and a molar mass of 247.80 g/mol. Its CAS registry number is 12751-47-2. The IUPAC name is disilver, sulfide.

What is the CAS number of Silver sulfide?

The CAS registry number of Silver sulfide is 12751-47-2. Other or deprecated CAS numbers: 21548-73-2.

What is the molecular formula and weight of Silver sulfide?

The molecular formula of Silver sulfide is Ag2S and its molar mass is 247.80 g/mol.

Is Silver sulfide hazardous?

No GHS hazard classification for Silver sulfide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Silver sulfide?

Silver sulfide 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 sulfide?

CompoundList lists 5 suppliers of Silver sulfide in India, China, Italy and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Silver sulfide in India?

2 suppliers in India list Silver sulfide 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 sulfide?

Suppliers quote Silver sulfide 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 sulfide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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