Sodium persulfate 99 +%, pure

What is Sodium Persulfate?

Sodium persulfate is a chemical compound with the formula Na2S2O8. This is the sodium salt of persulfate. It is presented as an odorless white crystalline powder which is water soluble and practically non-hydroscopic.

What is Sodium Persulfate used for?

Sodium persulfate is mainly used as a radical initiator for emulsion polymerizations of styrene-based polymers such as acrylonitrile-butadiene-styrene (ABS).

It is also used as a bleaching agent and in laundry detergents. It can replace ammonium persulfate for etching zinc and printed circuit boards, and is used for pickling copper and other metals. It is also used in soil improvement and remediation, as well as for bleaching fabrics for dyeing.

In organic chemistry, it is an oxidizing agent specializing in Boyland-Sims oxidation(s) and Elbs persulfate oxidation(s). It is also used in radical reactions, such as the synthesis of diapocynin from apocynin using iron(II) sulfate FeSO4 as a radical initiator.

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What Safety Precautions Should I Take Before Using Chemicals?

It is always wise to work as safely as possible when working with chemicals. Even substances that do not seem dangerous at first can cause enormous damage if they get into your eyes. Therefore, always wear safety goggles. You also want to prevent chemicals from ending up on your skin, which is why it is important to always use good gloves or disposable gloves.

Respiratory protection is necessary for volatile substances, vaporous liquids and solids that dust. There are many different types of filters, so you should always refer to the MSDS to find out which filter you need. Many filters also specify which substances they are for.

In some cases it may be necessary to protect the whole body, in which case a plastic overall is needed, you can find it here.

When working with flammable and oxidizing substances, it is important to always have fire extinguishers and absorbents at hand. It is also useful to be able to clean up spills of aggressive chemicals immediately with absorbents and to dispose of them in accordance with international and/or local legislation.

If you need more information on how to handle a specific substance, always consult the safety data sheet. You can find this on the product page or request it via [email protected]

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Technical data

Sodium peroxodisulphate
Empirical formula Na2S2O8
Molar mass (M) 238.10 g/mol
Density (D) 1.7 g/cm³
Melting point (mp) 148°C
ADR 5.1 III
WCK 1
CAS no. 7775-27-1
EC-No. 231-892-1
UN-No. 1505

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Hazard statements

H272 May intensify fire; oxidizing
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
cause
H335 May cause respiratory irritation

Precautions - prevention

P220 Keep away from clothing and other combustible materials.
P260 Do not breathe dust.

Precautions - response

P302 + P352 IF ON SKIN: Wash with plenty of water.
P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for a long period of time
amount of minutes; remove contact lenses, if possible; keep rinsing.
P312 Call a POISON CENTER / doctor if you feel unwell.

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