Sodium Persulfate
- CAS Number
- 7775-27-1
- HSN Code
- 28331990
- Molecular Formula
- Na2S2O8
- Catalogue Number
- AL01408
- Purity
- ≥ 95%
- Molecular Weight
- 238.10 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium persulfate (extra pure) is a strong oxidizing salt widely used as a radical initiator in polymer chemistry and as an analytical reagent. It is a white crystalline powder that is highly soluble in water, making it suitable for various applications in both laboratory and industrial settings. With a molecular formula of Na2S2O8 and a molecular weight of 238.10 g/mol, sodium persulfate is notable for its ability to generate free radicals upon thermal decomposition, which is essential in polymerization processes. Its strong oxidizing properties also make it valuable in analytical chemistry for various oxidation reactions.
Also known as Disodium peroxydisulfate, Sodium peroxydisulfate.
- Catalogue No.
- AL01408
- CAS Number
- 7775-27-1
- Molecular Formula
- Na2S2O8
- Molecular Weight
- 238.10 g/mol
- HSN Code
- 28331990
- Grade
- Extra Pure
- Product Form
- Substance
Sodium persulfate appears as a white crystalline powder. It has a melting point of approximately 180 °C, decomposing upon heating rather than melting. The compound is highly soluble in water, with a solubility of about 10 g/100 mL at 20 °C. It has a density of 2.48 g/cm³ and a boiling point of 200 °C (decomposes). The compound has a pH value of around 6.5 to 7.5 in a 1% aqueous solution, indicating its neutral nature in dilute solutions. Sodium persulfate has a flash point of 100 °C and is classified as a strong oxidizer, which necessitates careful handling and storage.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- 25 kg bags
- Storage
- Store in a cool, dry place away from heat and combustible materials.
1.1 — Product identifier
- Chemical Name
- Sodium Persulfate
- Catalogue No.
- AL01408
- Product form
- Substance
- CAS Number
- 7775-27-1
- EC Number
- 231-892-1
- Grade
- Extra Pure
- EC Index Number
- 016-094-00-4
- Chemical Formula
- Na2S2O8
- HSN Code
- 28331990
- Synonyms
- Disodium peroxydisulfate, Sodium peroxydisulfate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Oxidizing agent, polymerization initiator
- 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
- Strong oxidizer; may cause fire or explosion in contact with combustible materials.
3.1 — Substance
- Name
- Sodium Persulfate
- CAS No.
- 7775-27-1
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 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; may cause 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 protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect and dispose of in accordance with local regulations. Avoid generating dust.
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 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 heat sources and combustible 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 if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 6.5 - 7.5 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 180 °C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- 200 °C (decomposes)
- Flash point
- 100 °C
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- > 180 °C
- Flammability (solid, gas)
- Not flammable, but a strong oxidizer
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.48 g/cm³
- Solubility
- 10 g/100 mL (water at 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 normal 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
- 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 reducing agents, acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- Causes 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)
- 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)
- 1505
- UN-No. (IMDG)
- 1505
- UN-No. (IATA)
- 1505
- UN-No. (ADN)
- 1505
- UN-No. (RID)
- 1505
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium Persulfate
- Proper Shipping Name (IMDG)
- Sodium Persulfate
- Proper Shipping Name (IATA)
- Sodium Persulfate
- Proper Shipping Name (ADN)
- Sodium Persulfate
- Proper Shipping Name (RID)
- Sodium 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
Sodium persulfate is primarily used as a radical polymerization initiator in emulsion polymerization processes, where it facilitates the formation of polymers from monomers. It is also employed as an oxidizing agent in analytical chemistry, particularly in redox titrations and the determination of various substances. Additionally, sodium persulfate finds applications in the textile industry for bleaching and in the electronics industry for cleaning and etching processes. Its strong oxidizing properties make it useful in environmental applications, such as the remediation of contaminated soils and groundwater.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01408
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 238.10 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 95% | 96.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in water | Soluble |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Extra Pure | ≥ 95% | 180 °C (decomposes) | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in water |
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