Selenium disulfide
- CAS Number
- 7488-56-4
- HSN Code
- 28309010
- Molecular Formula
- SeS2
- Catalogue Number
- AL01307
- Purity
- ≥ 95%
- Molecular Weight
- 143.09 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Selenium disulfide, also known as selenium sulfide, is a chemical compound with the formula SeS2. It is primarily recognized for its efficacy as a topical antifungal agent and is widely utilized in the formulation of medicated shampoos, particularly for treating dandruff and seborrheic dermatitis. This compound is notable for its ability to reduce flaking and itching associated with these conditions, making it a valuable ingredient in dermatological products. With a purity of 95%, selenium disulfide is a critical component in pharmaceutical applications, ensuring consistent performance in therapeutic formulations.
Also known as Selenium sulfide.
- Catalogue No.
- AL01307
- CAS Number
- 7488-56-4
- Molecular Formula
- SeS2
- Molecular Weight
- 143.09 g/mol
- HSN Code
- 28309010
- Grade
- 95%
- Product Form
- Substance
Selenium disulfide appears as an orange-red to brown powder, characterized by its insolubility in water. It has a melting point of approximately 200 °C and a boiling point of around 400 °C. The compound has a density of 2.03 g/cm³, which contributes to its solid state at room temperature. Its distinct color and physical form make it easily identifiable in laboratory and industrial settings. The compound is also known to have a low vapor pressure, indicating minimal volatility under standard conditions.
- Appearance
- Orange-red to brown powder
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Selenium disulfide
- Catalogue No.
- AL01307
- Product form
- Substance
- CAS Number
- 7488-56-4
- EC Number
- 231-198-0
- Grade
- 95%
- EC Index Number
- Not specified
- Chemical Formula
- SeS2
- HSN Code
- 28309010
- Synonyms
- Selenium sulfide
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Topical antifungal agent
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Highly toxic; handle with care.
3.1 — Substance
- Name
- Selenium disulfide
- CAS No.
- 7488-56-4
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- Wash with soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include respiratory distress, skin irritation, and eye irritation.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- May emit toxic fumes in a fire. Use appropriate fire-fighting measures.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Contain spill and collect using appropriate methods. Dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use personal protective equipment (PPE) such as gloves and masks. Avoid contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, away from incompatible materials such as strong acids and bases.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use a respirator if exposure limits are exceeded or if irritation occurs.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Orange-red to brown
- Odour
- Odourless
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 200 °C
- Freezing point
- Not applicable
- Boiling point
- 400 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Low
- Relative vapour density at 20°C
- Not specified
- Density
- 2.03 g/cm³
- Solubility
- Insoluble in water
- Log Pow
- Not specified
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, but may react with strong acids and bases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids and bases, oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Highly toxic; may cause severe health effects upon exposure.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reactions in sensitive individuals.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- 2657
- UN-No. (IMDG)
- 2657
- UN-No. (IATA)
- 2657
- UN-No. (ADN)
- 2657
- UN-No. (RID)
- 2657
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Selenium disulfide
- Proper Shipping Name (IMDG)
- Selenium disulfide
- Proper Shipping Name (IATA)
- Selenium disulfide
- Proper Shipping Name (ADN)
- Selenium disulfide
- Proper Shipping Name (RID)
- Selenium disulfide
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Selenium disulfide is primarily used in the pharmaceutical industry, particularly in the formulation of medicated shampoos aimed at treating dandruff and other fungal infections of the scalp. It is also employed in various dermatological preparations due to its antifungal properties. Beyond its use in personal care products, selenium disulfide serves as a reference standard in research and development for antifungal agents, contributing to the advancement of topical treatments. Additionally, it finds applications in the manufacturing of certain industrial products, including rubber and plastics, where its properties can enhance performance.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01307
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 143.09 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 95% | 95.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 1% | 0.5% |
| Related Substances | None detected | None detected |
| Solubility | Insoluble in water | Insoluble in water |
The above product is expected to comply with 95% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 95% | ≥ 95% | 200 °C (melting) / 400 °C (boiling) | ≤ 0.5% | ≤ 1% | None detected | Insoluble in water |
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