Physical and Chemical Properties Strong oxidants Uses Preparation method storage
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Sodium persulfate

Physical and Chemical Properties Strong oxidants Uses Preparation method storage
Product Name
Sodium persulfate
CAS No.
7775-27-1
Chemical Name
Sodium persulfate
Synonyms
SODIUM PERSULPHATE;SODIUM PEROXYDISULFATE;SODIUM PEROXODISULFATE;PERSULPHATES;SODIUM PERSULFATE;persulfatedesodium;SodiumPersulphateGr;Natriumperoxodisulfat;SodiumPersulphate,>98%;Sodium peroxidisulfate
CBNumber
CB2286013
Molecular Formula
Na2O8S2
Formula Weight
238.1
MOL File
7775-27-1.mol
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Sodium persulfate Property

Melting point:
100 °C
Density 
2,4 g/cm3
vapor pressure 
0Pa at 25℃
storage temp. 
Store at +15°C to +25°C.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Solid
Specific Gravity
2.4
color 
White to yellow
Odor
Odorless
PH Range
2.5 - 4.0
PH
3.5-3.8 (100g/l, H2O, 20℃)
Water Solubility 
550 g/L (20 ºC)
Merck 
14,8656
Exposure limits
ACGIH: TWA 0.1 mg/m3
Stability:
Stability Unstable. Strong oxidizer. Contact with combustible material may cause fire. Incompatible with combustible material, strong reducing agents, strong bases, alcohols, aluminium, magnesium. Protect from moisture.
InChIKey
CHQMHPLRPQMAMX-UHFFFAOYSA-L
LogP
-1 at 20℃
CAS DataBase Reference
7775-27-1(CAS DataBase Reference)
EPA Substance Registry System
Sodium persulfate (7775-27-1)
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Safety

Hazard Codes 
O,Xn
Risk Statements 
8-22-42/43-36/37/38
Safety Statements 
22-36/37-45-36/37/39-26-17
RIDADR 
UN 1505 5.1/PG 3
WGK Germany 
1
RTECS 
SE0525000
TSCA 
Yes
HS Code 
2833 40 00
HazardClass 
5.1
PackingGroup 
III
Toxicity
MLD in rabbits (mg/kg): 178 i.v. (DaVal)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H272May intensify fire; oxidizer

H302Harmful if swallowed

H315Causes skin irritation

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P220Keep/Store away from clothing/…/combustible materials.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
216232
Product name
Sodium persulfate
Purity
reagent grade, ≥98%
Packaging
25g
Price
$26.8
Updated
2024/03/01
Sigma-Aldrich
Product number
216232
Product name
Sodium persulfate
Purity
reagent grade, ≥98%
Packaging
2.5kg
Price
$133
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06609
Product name
Sodium peroxidisulfate
Purity
for analysis EMSURE?
Packaging
500g
Price
$49.3
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06609
Product name
Sodium peroxidisulfate
Purity
for analysis EMSURE?
Packaging
1kg
Price
$75.8
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06609
Product name
Sodium peroxidisulfate
Purity
for analysis EMSURE?
Packaging
25kg
Price
$1520
Updated
2024/03/01
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Sodium persulfate Chemical Properties,Usage,Production

Physical and Chemical Properties

Sodium persulfate, also known as sodium peroxydisulfate is a white crystal or crystalline powder, odorless, tasteless. Formula is Na2S2O8, relative molecular mass is 238.13. Gradual decomposition at room temperature, heating or rapidly decompose in ethanol, decomposition to release oxygen and produce sodium pyrosulfate. Moisture and platinum black, silver, lead, iron, copper, magnesium, nickel, manganese and other metal ions or their alloys can promote the decomposition, it decomposes rapidly and emit hydrogen peroxide at high temperature (about 200 ℃). It is soluble in water (70.4 when 20 ℃).

Sodium persulfate has strong oxidizing. There is a strong irritation to the skin, prolonged contacting with the skin can cause allergies, should pay attention to it when operation. Rat oral LD50 is 895mg/kg. It should be Sealed storage. heat the ammonium persulfate and sodium hydroxide or sodium carbonate solution to remove carbon dioxide and ammonia to obtain sodium persulfate in the Laboratory.

Strong oxidants

With strong oxidizing, Sodium persulfate can be used as an g agent, which can oxidize Cr3 +, Mn2 + and so on to the corresponding compound of high oxidation state, when there is the presence of Ag +, which can promote the oxidation reaction. Due to its oxidizing properties, it can be used as a bleaching agent, metal surface treatment agent, chemical reagents, pharmaceutical raw materials, accelerator and initiator of battery and emulsion polymerization.

Uses

Sodium persulfate is used as a bleach, both standalone (particularly in hair cosmetics) and as a detergent component. It is a replacement for ammonium persulfate in etching mixtures for zinc and printed circuit boards, and is used for pickling of copper and some other metals. It is a source of free radicals, making it useful as an initiator for e.g. emulsion polymerization reactions and for accelerated curing of low formaldehyde adhesives. Sodium persulfate is also used as a soil conditioner and in manufacture of dyestuffs, modification of starch, bleach activator, desizing agent for oxidative desizing, etc.
For waste processing in the photographic industry, used as a soft metal surface corrosion agents of the printed circuit board and textile desizing agents, sulfur dyes colorformer.

Preparation method

1. The electrolytic oxidation of the aqueous solution of ammonium sulfate <> is to obtain ammonium persulfate, and then metathesis reaction with sodium hydroxide, after the expulsion of the ammonia by-product, and then concentrated under reduced pressure, crystallization, drying, to obtain sodium sulfate.
(NH4) 2S2O8 + 2NaOH → Na2S2O8 + 2NH3 + 2H2O.
2. Dithionic acid can be prepared by electrolysis of cold sulfuric acid won, which reacts with alkali and then obtain sodium sulfate.
2HSO4--2e → H2S2O8
H2S2O8 + 2NaOH → Na2S2O8 + 2H2O.

storage

Sodium persulfate is a strong oxidizer and a severe irritant of skin, eyes, and respiratory system. It is almost non-hygroscopic and has particularly good ability to be stored for long time. It is easy and safe to handle. It is not combustible, but releases oxygen easily and assists combustion of other materials.
Conditions/ substances to avoid mixing persulfates with are: moisture, heat, flame, ignition sources, shock, friction, reducing agents, organic material, sodium peroxide, aluminum and powdered metals.

Chemical Properties

White, crystalline powder. Soluble in water; decomposed by alcohol; decomposes in moist air.

Uses

Sodium peroxydisulfate is used as a radical initiator for emulsion polymerization reactions like acrylonitrile butadiene styrene, detergent component, soil conditioner and soil remediation. It is also used for curing of formaldehyde adhesives. It acts as a bleaching agent and in the production of dyestuffs. It finds application in zinc and printed circuit boards and considered to be a replacement for ammonium persulfate in etching mixtures. Further, it is used in the preparation of diapocynin from apocynin. It plays a role in the conversion of phenols to para-diphenols in alkaline solution and of arylamines to aminophenols. It is actively involved in the Elbs persulfate oxidation and the Boyland-Sims oxidation reactions as an oxidizing agent.

Uses

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Uses

Bleaching and oxidizing agent; promoter for emulsion polymerization reactions.

General Description

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

Air & Water Reactions

Water soluble. Decomposes slowly in moist air.

Reactivity Profile

Sodium persulfate is a strong oxidizing agent. Reacts with many combustible materials and reducing agents, often vigorously enough to start fires or cause explosions [Handling Chemicals Safely 1980 p. 855]. Decomposes gradually under ordinary conditions decomposition is promoted by moisture and heat [Merck]. Decomposed by alcohol and silver ions [Merck].

Hazard

By ingestion, strong irritant to tissue.

Health Hazard

Inhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution.

Fire Hazard

These substances will accelerate burning when involved in a fire. Some may decompose explosively when heated or involved in a fire. May explode from heat or contamination. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by intraperitoneal and intravenous routes. A powerful oxidizer; can cause fires. When heated to decomposition it emits toxic fumes of SOx and Na2O. See also SULFATES.

Sodium persulfate Preparation Products And Raw materials

Raw materials

Preparation Products

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Sodium persulfate Suppliers

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View Lastest Price from Sodium persulfate manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
Sodium persulfate 7775-27-1
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
100tons
Release date
2023-09-06
Hebei Yanxi Chemical Co., Ltd.
Product
Sodium persulfate 7775-27-1
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
100tons
Release date
2023-09-06
Hebei Guanlang Biotechnology Co., Ltd.
Product
Sodium persulfate 7775-27-1
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2023-01-06

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