Sodium Persulfate

HCID 62655CAS 7775-27-1

Basic information

Standard SMILES
O=S(=O)([O-])OOS(=O)(=O)[O-].[Na+].[Na+]
InChIKey
CHQMHPLRPQMAMX-UHFFFAOYSA-L
Molecular formula
Na2S2O8
Average molar mass
238.11 g/mol
Monoisotopic mass
237.88299752

Overview

Sodium persulfate appears as a white crystalline solid. Very irritating to skin and eyes. May be toxic by skin absorption. Used as a bleaching agent.

Names & identifiers

Preferred name
Sodium Persulfate
IUPAC
disodium;sulfonatooxy sulfate

Names & synonyms

Sodium persulfate7775-27-1Sodium peroxydisulfateSodium peroxodisulfatePeroxydisulfuric acid, disodium saltPersulfate de sodiumDTXSID4029698J49FYF16JEDisodium peroxydisulfatePeroxydisulfuric acid (((HO)S(O)2)2O2), disodium saltORISTAR SPDISODIUM PEROXODISULFATE
Show more names
DTXCID009698Peroxydisulfuric acid (((HO)S(O)2)2O2), sodium salt (1:2)SODIUM PERSULFATE (NA2S2O8)RefChem:184069231-892-1Disodium peroxodisulphatedisodium;sulfonatooxy sulfatePersulfate de sodium [French]

Database identifiers

CAS
7775-27-1
PubChem CID
62655
DTXSID
DTXSID4029698
ChEMBL
CHEMBL502764
UNII
J49FYF16JE
EC Number
231-892-1

Properties

Computed structural properties

Topological polar surface area
150 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
8
Rotatable bonds
1
Heavy atoms
12

Experimental & physicochemical properties

Chemical Classes · 2 items

Other Classes -> Inorganic Oxidizing Agents

Reactive agents - 1st degree

Cosmetics · 2 items

Cosmetic ingredients (Sodium Persulfate) -> CIR (Cosmetic Ingredient Review)

Oxidising

Density · 2 items

1.1 g/cm³

2.4 @25 °C

SolubilitySolubility in water, g/100ml at 20 °C: 55.6
Decomposition180 °C
Vapor Density1.1

Safety & regulation

GHS classification

GHS Classification · 6 items

This chemical does not meet GHS hazard criteria for 1.3% (42 of 3253) of reports.

Danger

H272 (94%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]

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, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 3253 reports by companies from 49 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

Hazard information

Regulatory Information · 5 items

Chemical: Peroxydisulfuric acid ([(HO)S(O)2]2O2), sodium salt (1:2)

Peroxydisulfuric acid ([(HO)S(O)2]2O2), sodium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Peroxydisulfuric acid ([(HO)S(O)2]2O2), sodium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 20-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/14767

Peroxydisulfuric acid, disodium salt: HSNO Approval: HSR001357 Approved with controls

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

Other Safety InformationIMAP assessments - Peroxydisulfuric acid (((HO)S(O)2)2O2), disodium salt: Environment tier I assessment
DOT LabelOxidizer
Fire Hazards · 3 items

Excerpt from ERG Guide 140 [Oxidizers]:

CAUTION: Ammonium nitrate products may explode if involved in fire or contaminated with hydrocarbons (fuels), organic matter, other contaminants or when hot molten and contained. Treat as an explosive (GUIDE 112).

Not combustible but enhances combustion of other substances. Gives off irritating or toxic fumes (or gases) in a fire. Risk of fire and explosion on contact with combustible substances or reducing agents.

Health Hazards · 2 items

Excerpt from ERG Guide 140 [Oxidizers]:

· Inhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death.

Hazards Summary · 1 item

Danger of sensitization of airways and skin; [MAK] Frequent skin rashes are reported in workers exposed to persulfates (S2O8). Rats inhaling 4-20 mg/m3 of ammonium persulfate 23.5 hours/day for 7 days show signs of lung inflammation and loss of body weight. The TLV is proposed to reduce irritation of skin, throat, and respiratory tract. [ACGIH] A skin, eye, and respiratory tract irritant; May cause skin sensitization, dermatitis, and asthma after prolonged contact; [ICSC] An irritant; May cause skin and respiratory sensitization after prolonged contact; [MSDSonline] See Ammonium persulfate and Potassium persulfate.

Safety & protection

Fire Fighting · 2 items

Excerpt from ERG Guide 140 [Oxidizers]:

In case of fire in the surroundings, use appropriate extinguishing media. In case of fire: keep drums, etc., cool by spraying with water.

First Aid Measures · 4 items

Fresh air, rest. Artificial respiration may be needed. Refer for medical attention.

First rinse with plenty of water for at least 15 minutes, then remove contaminated clothes and rinse again.

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Give one or two glasses of water to drink. Refer for medical attention .

Accidental Release Measures · 2 items

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· Keep combustibles (wood, paper, oil, etc.) away from spilled material.

First Aid · 2 items

Excerpt from ERG Guide 140 [Oxidizers]:

General First Aid:

Safe StorageWell closed. Separated from combustible substances, reducing agents, strong bases and powdered metals.
Exposure Control and Personal Protection· Wear positive pressure self-contained breathing apparatus (SCBA).

Toxicology

Adverse EffectsSkin Sensitizer - An agent that can induce an allergic reaction in the skin.
Exposure RoutesThe substance can be absorbed into the body by inhalation of its aerosol and by ingestion.
Toxicity Summary · 2 items

The CIR Expert Panel concluded that Ammonium, Potassium, and Sodium Persulfate are safe as used as oxidizing agents in hair colorants and hair lighteners designed for brief discontinuous use followed by thorough rinsing from the hair and skin. The Panel also concluded that the available data are insufficient for determining the safety of these persulfates in leave-on products and dentifrices.

Safe for use in cosmetics, with qualifications

Signs and Symptoms · 4 items

Cough. Laboured breathing. Sore throat. Wheezing.

Redness. Pain.

Redness. Pain.

Diarrhoea. Nausea. Sore throat. Vomiting.

Toxicity DataLC50 (rat) > 5,100 mg/m3/4h

Chemistry & industry

Uses & manufacturing

Uses · 3 items

CIR ingredient: Sodium Persulfate

Used as a bleaching and oxidizing agent and polymerization catalyst; [Merck Index] Used in battery depolarizers; [Hawley] Used extensively for hair lightening and decolorizing; [eChemPortal: NICNAS]

Battery Manufacturing [Category: Industry]

U.S. Production2023: 850,000 - <1,000,000 lb
Consumer UsesPolymerization promoter
Industry UsesPlasticizer
Household ProductsInformation on 11 consumer products that contain Sodium persulfate in the following categories is provided:
Use Classification · 3 items

EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers

Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern

Cosmetics -> Oxidising

Related reactions

113 records

Linked notes

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