Magnesium Sulfide

98% For Laboratory Use
CAS Number
12032-36-9
HSN Code
28309010
Molecular Formula
MgS
Catalogue Number
AL00930
Purity
≥ 98%
Molecular Weight
56.38 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance Gray to brown powder
Shelf Life -
Packaging -
Storage Store in a cool, dry place away from moisture.

Magnesium sulfide is a reactive magnesium compound that releases hydrogen sulfide upon reaction with water or acid, primarily used as a reference compound in research.

Also known as Magnesium sulfide, MgS.

Catalogue No.
AL00930
CAS Number
12032-36-9
Molecular Formula
MgS
Molecular Weight
56.38 g/mol
HSN Code
28309010
Grade
98%
Product Form
Substance

Gray to brown powder; reacts with water/moisture to release H2S gas.

Appearance
Gray to brown powder
Shelf Life
-
Packaging
-
Storage
Store in a cool, dry place away from moisture.

1.1 — Product identifier

Chemical Name
Magnesium Sulfide
Catalogue No.
AL00930
Product form
Substance
CAS Number
12032-36-9
EC Number
234-632-2
Grade
98%
EC Index Number
Not specified
Chemical Formula
MgS
HSN Code
28309010
Synonyms
Magnesium sulfide, MgS

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Used as a reference compound in inorganic chemistry research.
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
Reacts with moisture to release toxic hydrogen sulfide gas.

3.1 — Substance

Name
Magnesium Sulfide
CAS No.
12032-36-9

4.1 — Description of first aid measures

First-aid measures after inhalation
Move to fresh air. If symptoms persist, seek medical attention.
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. Seek medical attention if irritation persists.
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
Exposure may cause respiratory irritation, headache, dizziness, and nausea due to H2S release.

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 produce 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. Avoid contact with water. Wear appropriate protective equipment.

6.3 — Methods and material for containment and cleaning up

Methods for cleaning up
Contain spill and collect using inert material. 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
Handle in a fume hood. Avoid moisture and 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 moisture and incompatible materials.

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 appropriate respiratory protection when handling.

9.1 — Information on basic physical and chemical properties

Physical state
Solid
Colour
Gray to brown
Odour
Odourless
Odour threshold
Not applicable
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
Not applicable
Freezing point
Not applicable
Boiling point
Not applicable
Flash point
Not applicable
Auto-ignition temperature
Not applicable
Decomposition temperature
Not applicable
Flammability (solid, gas)
Not flammable
Vapour pressure
Not applicable
Relative vapour density at 20°C
Not applicable
Density
2.0 g/cm³
Solubility
Reacts with water; insoluble in organic solvents
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Not explosive
Oxidising properties
Not oxidizing
Explosive limits
Not applicable

10.1 — Reactivity

Reactivity
Reacts with water and acids to release hydrogen sulfide gas.

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, moisture.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
Toxic if inhaled; may cause respiratory irritation.
Skin corrosion/irritation
May cause skin irritation.
Serious eye damage/irritation
Causes serious eye irritation.
Respiratory or skin sensitisation
Not a skin sensitizer.
Germ cell mutagenicity
Not classified
Carcinogenicity
Not classified
Specific target organ toxicity (single exposure)
Not classified as a specific target organ toxicant.
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)
Not assigned
UN-No. (IMDG)
Not assigned
UN-No. (IATA)
Not assigned
UN-No. (ADN)
Not assigned
UN-No. (RID)
Not assigned

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Not regulated
Proper Shipping Name (IMDG)
Not regulated
Proper Shipping Name (IATA)
Not regulated
Proper Shipping Name (ADN)
Not regulated
Proper Shipping Name (RID)
Not regulated

14.3 — Transport hazard class(es)

Transport hazard class(es)
Not classified

14.4 — Packing group

Packing group (ADR)
Not applicable
Packing group (IMDG)
Not applicable
Packing group (IATA)
Not applicable
Packing group (ADN)
Not applicable
Packing group (RID)
Not applicable

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

Utilized as a reference compound in magnesium-sulfide inorganic chemistry research and various chemical syntheses.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL00930
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
56.38 g/mol
Test Standard Observed
Assay Purity ≥ 98% 98.5%
Moisture Content ≤ 1% 0.5%
Residue on Ignition ≤ 1% 0.3%
Related Substances None detected None detected
Solubility Insoluble in organic solvents Insoluble in organic solvents, reacts with water.

The above product is expected to comply with 98% grade specification.

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
98% ≥ 98% Not applicable ≤ 1% ≤ 1% None detected Insoluble in organic solvents, reacts with water.
View full Technical Data Sheet

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