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Silicates, borates and other salts

Trisulfane

Also known as dihydrogen trisulfide, mercaptosulfide, (Sulfide)n

CAS 12597-04-5Formula H2S3Molar mass 98.22 g/mol
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Trisulfane chemical structure, H2S3, CAS 12597-04-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12597-04-5
Formula
H2S3
Molar mass
98.22 g/mol
HS code
285390
Category
Silicates, borates and other salts

What is Trisulfane?

Plain description, key identifiers and synonyms

Trisulfane is a sulfur hydride. It is a conjugate acid of a trisulfanide.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
12597-04-5 CAS number cross-checked
Molecular formula
H2S3
InChIKey
KBMBVTRWEAAZEY-UHFFFAOYSA-N
InChI
InChI=1S/H2S3/c1-3-2/h1-2H
SMILES (canonical and isomeric)
SSS

Synonyms

  • dihydrogen trisulfide
  • mercaptosulfide
  • (Sulfide)n

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
98.22 g/molcalc.
Exact mass
97.9319 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
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

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.

Trisulfane suppliers

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

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Trisulfane 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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2853.90Indicative HS code

Phosphides, whether or not chemically defined, excluding ferrophosphorus, other, other

World exports in 2024
$2.45B
−33.6% vs 2023, imports $816M
2019 to 2024
Top exporters
  1. China68.4%
  2. Israel8.1%
  3. United States4.9%
Top importers
  1. United States19.3%
  2. Japan17.9%
  3. China13.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Trisulfane is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Trisulfane, based on the data on this page

What is Trisulfane?

Trisulfane is a sulfur hydride. It is a conjugate acid of a trisulfanide.

What is the CAS number of Trisulfane?

The CAS registry number of Trisulfane is 12597-04-5.

What is the molecular formula and weight of Trisulfane?

The molecular formula of Trisulfane is H2S3 and its molar mass is 98.22 g/mol.

Is Trisulfane hazardous?

No GHS hazard classification for Trisulfane 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 Trisulfane?

Trisulfane is usually classified under HS code 285390 (Phosphides, whether or not chemically defined, excluding ferrophosphorus, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Trisulfane?

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What is the price of Trisulfane?

Suppliers quote Trisulfane 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 Trisulfane

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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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