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Selenium sulfide (SeS)

Also known as selenium sulfide, Selenium sulphide, Seleniumsulfide

CAS 7446-34-6Formula SSeMolar mass 111.03 g/mol
Selenium sulfide (SeS) chemical structure, SSe, CAS 7446-34-6
2D chemical structure

Key facts

What buyers check first

Appearance
Orange-yellow tablets or powder
Melting point
111.1 ยฐC
Boiling point
118 to 119 ยฐC
Density
3.056 at 0 ยฐC
Solubility
Insoluble in water, ether
HS code
285390
Category
Sulfates and sulfur salts
UN number
UN 2657
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Selenium sulfide (SeS)?

Plain description, key identifiers and synonyms

Selenium sulfide appears as orange-yellow tablets or powder. Has a faint odor. (NTP, 1992)

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
7446-34-6 CAS number cross-checkedOther or deprecated CAS: 7488-56-4
Molecular formula
SSe
UNII
J90WFR7ZFF
InChIKey
VIDTVPHHDGRGAF-UHFFFAOYSA-N
InChI
InChI=1S/SSe/c1-2
SMILES (canonical and isomeric)
S=[Se]

Synonyms

  • selenium sulfide
  • Selenium sulphide
  • Seleniumsulfide
  • Selensulfid
  • Abbotselsun
  • Selenium sulfide red powder
  • selenosulfide
  • Caspiselenium
  • selenenyl sulfide
  • Selenium Sulfide USP
  • SeS2

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
Orange-yellow tablets or powderexp.
Odour
Odorlessexp.
Melting point
111.1 ยฐCexp.
Boiling point
118 to 119 ยฐCexp.
Density
3.056 at 0 ยฐCexp.
Solubility
Insoluble in water, etherexp.

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
111.03 g/molcalc.
Exact mass
111.8886 Dacalc.
LogP (octanol/water)
0.27calc.
Topological polar surface area
0 ร…ยฒcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
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 classification
Hazard pictograms
UN number
UN 2657

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

Selenium sulfide (SeS) suppliers

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Selenium sulfide (SeS) price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Ingredient in anti-dandruff shampoos, constituent of fungicides, veterinary medicine.

Medicine (treatment of seborrhea, medicated shampoos).

Use classes: Cosmetics.

How it is made

Preparation from selenious acid and H2S, product may be a mixture of the elements. ... Prepared by fusion of the elements, solid solutions of sulfur (S8), selenium (Se8) and selenium sulfides (S n Se8-n, n = 1-7) formed. (Selenium sulfides)

Reaction of selenious acid & hydrogen sulfide followed by removal of excess sulfur with carbon disulfide

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 Selenium sulfide (SeS) is traded under.

HS 2853.90Indicative HS code

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

World exports in 2024
$2.45B
โˆ’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 Selenium sulfide (SeS) is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Selenium sulfide (SeS), based on the data on this page

What is Selenium sulfide (SeS)?

Selenium sulfide appears as orange-yellow tablets or powder. Has a faint odor. (NTP, 1992)

What is the CAS number of Selenium sulfide (SeS)?

The CAS registry number of Selenium sulfide (SeS) is 7446-34-6. Other or deprecated CAS numbers: 7488-56-4.

What is the molecular formula and weight of Selenium sulfide (SeS)?

The molecular formula of Selenium sulfide (SeS) is SSe and its molar mass is 111.03 g/mol.

What is Selenium sulfide (SeS) used for?

Ingredient in anti-dandruff shampoos, constituent of fungicides, veterinary medicine. Medicine (treatment of seborrhea, medicated shampoos). Use classes: Cosmetics.

Is Selenium sulfide (SeS) hazardous?

No GHS hazard classification for Selenium sulfide (SeS) 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 Selenium sulfide (SeS)?

Selenium sulfide (SeS) is usually classified under HS code 285390 (Phosphides, whether or not chemically defined, excluding ferrophosphorus, otherโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Selenium sulfide (SeS)?

CompoundList lists 24 suppliers of Selenium sulfide (SeS) in India, United States, China, United Kingdom and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Selenium sulfide (SeS) in India?

14 suppliers in India list Selenium sulfide (SeS) on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Selenium sulfide (SeS)?

Suppliers quote Selenium sulfide (SeS) 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 Selenium sulfide (SeS)

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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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