Potassium Persulfate
- CAS Number
- 7727-21-1
- HSN Code
- 28332990
- Molecular Formula
- K2S2O8
- Catalogue Number
- AL3762
- Purity
- 99%
- Molecular Weight
- 270.32 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477.
Also known as Potassium peroxydisulfate, Dipotassium persulfate.
- Catalogue No.
- AL3762
- CAS Number
- 7727-21-1
- Molecular Formula
- K2S2O8
- Molecular Weight
- 270.32 g/mol
- HSN Code
- 28332990
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
Density: 2.477.
- Appearance
- White crystalline solid
- Shelf Life
- 2 years
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic container
- Storage
- Cool. Dry. Well closed. Separated from combustible substances, reducing agents and strong bases.
1.1 — Product identifier
- Chemical Name
- Potassium Persulfate
- Catalogue No.
- AL3762
- Product form
- Substance
- CAS Number
- 7727-21-1
- EC Number
- 231-781-8
- Grade
- AR
- EC Index Number
- 7727-21-1
- Chemical Formula
- K2S2O8
- HSN Code
- 28332990
- Synonyms
- Potassium peroxydisulfate, Dipotassium persulfate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Oxidizing agent, radical initiator in polymerization
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Ox. Liq. 3; Acute Tox. 4; Skin Irrit. 2; Skin Sens. 1; Eye Irrit. 2; Resp. Sens. 1; STOT SE 3
- Classification source
- ECHA C&L Inventory via PubChem CID 24412 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Oxidizer, Irritant, Health Hazard
- Signal word
- Danger
- Hazard statements
- H272: May intensify fire; oxidizer; H302: Harmful if swallowed; H315: Causes skin irritation; H317: May cause an allergic skin reaction; H319: Causes serious eye irritation; H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled; H335: May cause respiratory irritation
- Precautionary statements
- P210, P220, P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P370+P378, P403, P403+P233, P405, P501
2.3 — Other hazards
- Other hazards
- Strong oxidizer; may cause fire or explosion in contact with combustible materials.
3.1 — Substance
- Name
- Potassium Persulfate
- CAS No.
- 7727-21-1
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 plenty of soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the respiratory tract, skin, and eyes; potential for chemical burns.
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
- Decomposes on heating, releasing oxygen which can intensify fire.
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
- Contain spill and prevent entry into waterways. Use appropriate personal protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Do NOT absorb in saw-dust or other combustible absorbents. Sweep spilled substance into covered containers.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves and eye protection. Avoid contact with combustible materials.
- 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
- Cool. Dry. Well closed. Separated from combustible substances, reducing agents and strong 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 appropriate respiratory protection if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- ODORLESS
- Odour threshold
- Not applicable
- pH value
- 6.5 - 8.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 120 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- 200 °C
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- > 120 °C
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.477
- Solubility
- 8.5 g/100 mL (20 °C)
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive under normal conditions
- Oxidising properties
- Strong oxidizer
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under recommended storage conditions; decomposes upon heating.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Heating may cause violent combustion or explosion. Decomposes on heating. This produces toxic fumes including sulfur oxides.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Reducing agents, combustible materials, and strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Dangerous when heated to decomp, emits highly toxic fumes of sulfur oxides.
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- H315: Causes skin irritation
- Serious eye damage/irritation
- H319: Causes serious eye irritation
- Respiratory or skin sensitisation
- H317: May cause an allergic skin reaction; H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- H335: May cause respiratory irritation
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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)
- UN 1492
- UN-No. (IMDG)
- UN 1492
- UN-No. (IATA)
- UN 1492
- UN-No. (ADN)
- UN 1492
- UN-No. (RID)
- UN 1492
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Potassium Persulfate
- Proper Shipping Name (IMDG)
- Potassium Persulfate
- Proper Shipping Name (IATA)
- Potassium Persulfate
- Proper Shipping Name (ADN)
- Potassium Persulfate
- Proper Shipping Name (RID)
- Potassium Persulfate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 5.1
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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
Potassium persulfate is widely used in the chemical industry as an analytical-grade radical initiator and oxidizing reagent. It plays a crucial role in polymer chemistry, particularly in the production of polymers and copolymers through free radical polymerization. Additionally, it is utilized in the synthesis of various organic compounds and as a bleaching agent in textiles and paper industries. In environmental applications, potassium persulfate is employed for the oxidation of contaminants in water treatment processes, making it an important reagent in both laboratory and industrial settings.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1258A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 270.32 g/mol
| Test | Standard | Observed |
|---|---|---|
| Purity | 99% min | 99.5% |
| Moisture Content | < 0.5% | 0.3% |
| Residue on Ignition | < 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | 8.5 g/100 mL (20 °C) | 8.3 g/100 mL |
The above product is expected to comply with AR grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR | 99% | 120 °C | < 0.5% | < 0.1% | None detected | 8.5 g/100 mL (20 °C) |
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“Speedy delivery, professional staff.”
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