Hydrogen Sulfide Solution
- CAS Number
- -
- HSN Code
- 38229090
- Molecular Formula
- H2S (aq.)
- Catalogue Number
- AL0812C
- Purity
- >99% H2S
- Molecular Weight
- 34.08 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Hydrogen sulfide solution is a reagent preparation containing dissolved H2S gas, used in classical qualitative inorganic analysis. It serves as a sulfide-ion source for precipitating and separating metal sulfides.
Also known as H2S solution, Hydrogen sulfide aqueous solution.
- Catalogue No.
- AL0812C
- CAS Number
- -
- Molecular Formula
- H2S (aq.)
- Molecular Weight
- 34.08 g/mol
- HSN Code
- 38229090
- Grade
- Ready-to-use solution
- Product Form
- Mixture
Clear, colorless liquid with a characteristic rotten-egg odor. Highly toxic and requires careful handling.
- Appearance
- Clear, colorless liquid
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, well-ventilated area away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Hydrogen Sulfide Solution
- Catalogue No.
- AL0812C
- Product form
- Mixture
- CAS Number
- Not applicable
- EC Number
- 231-977-3
- Grade
- Ready-to-use solution
- EC Index Number
- 016-001-00-4
- Chemical Formula
- H2S (aq.)
- HSN Code
- 38229090
- Synonyms
- H2S solution, Hydrogen sulfide aqueous solution
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Reagent in qualitative inorganic analysis
- 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; may cause respiratory irritation and central nervous system effects.
3.1 — Substance
- Name
- Hydrogen Sulfide Solution
- CAS No.
- Not applicable
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air immediately. If breathing is difficult, give oxygen. Seek medical attention.
- First-aid measures after skin contact
- Wash skin with soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. 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
- Headache, dizziness, nausea, respiratory distress, and potential loss of consciousness.
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
- Flammable gas; may form explosive mixtures with air.
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. Use appropriate personal protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Absorb spill with inert material and place in a chemical waste container. 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 with appropriate PPE including gloves and goggles. Avoid inhalation and skin contact.
- 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, well-ventilated area away from heat sources 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 this product in poorly ventilated areas.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Characteristic rotten-egg odor
- Odour threshold
- 0.0005 - 0.01 ppm
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- -85.05 °C
- Freezing point
- -85.05 °C
- Boiling point
- 60.3 °C
- Flash point
- -41 °C
- Auto-ignition temperature
- 260 °C
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable gas
- Vapour pressure
- 14.7 kPa at 20 °C
- Relative vapour density at 20°C
- 1.19
- Density
- 1.363 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- May form explosive mixtures with air
- Oxidising properties
- Not oxidizing
- Explosive limits
- 4.3 - 45.0 vol% in air
10.1 — Reactivity
- Reactivity
- Reacts with oxidizing agents and strong acids.
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 oxidizers, acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LC50 (inhalation, rat) 700 ppm/30 min.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye damage.
- Respiratory or skin sensitisation
- Not a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation and central nervous system effects.
- 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)
- Hydrogen sulfide solution
- Proper Shipping Name (IMDG)
- Hydrogen sulfide solution
- Proper Shipping Name (IATA)
- Hydrogen sulfide solution
- Proper Shipping Name (ADN)
- Hydrogen sulfide solution
- Proper Shipping Name (RID)
- Hydrogen sulfide solution
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
Primarily used in qualitative inorganic analysis for the precipitation and separation of metal sulfides.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0812C
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 34.08 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | >99% H2S | >99.5% H2S |
| pH | Not applicable | Not applicable |
| Density | 1.363 g/cm³ | 1.360 g/cm³ |
| Boiling Point | 60.3 °C | 60.5 °C |
| Appearance | Clear, colorless liquid | Clear, colorless liquid |
The above product is expected to comply with Ready-to-use solution grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Ready-to-use solution | >99% H2S | -85.05 °C / 60.3 °C | <1% | <0.1% | None detected | Completely soluble in water |
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