SoleChem

Sodium perborate monohydrate

CAS 10332-33-9
EC 600-419-4
Formula BHO3.H2O.Na
MW 99.81 g/mol
Oxidizers & Peroxides Water TreatmentPersonal Care & CosmeticsTextile, Leather & Paper Preservation & BiocideBleaching & WhiteningCleaning & Degreasing

Description

Sodium perborate monohydrate (CAS 10332-33-9) is an inorganic oxidising salt commercially known under trade names including Perasafe, Interox A, and Clinsodent. It releases active oxygen upon dissolution in water, making it the functional basis for oxygen-based bleaching and disinfection systems. No E-code designation applies to this substance.

In textile and paper processing, it oxidises chromophores in fibres and pulp at temperatures above 60°C, achieving whitening without chlorine chemistry. Personal care formulators use it as the active component in denture cleaners and tooth-whitening products, where controlled peroxide release breaks down stain compounds. Water treatment applications exploit its biocidal action against bacteria and algae.

The material is supplied as a white crystalline powder compliant with REACH registration requirements. Procurement teams should confirm grade specifications against relevant pharmacopoeial or industrial standards depending on end-use. Standard packaging formats for European B2B supply typically include 25 kg bags, with HS code 28403000 applicable for import and export classification.

Physical Properties

Melting Point 7-9 °C
Boiling Point 202-204 °C
Flash Point 110 °C
Appearance White crystalline powder
Color White
Odor Odorless
Form Crystalline Powder
Water Solubility very soluble H2O, reacting to give H2O2and sodium borate [HAW93]
Refractive Index 1.417

Safety & Handling (Learn More)

Danger GHS03 GHS05 GHS06 GHS07 GHS08
H
H272H302H318H331H332H335H360H361H302+H332
P
P203P210P220P261P264P270P271P280P316P317P318P319P321P330P405P501P264+P265P301+P317P304+P340P370+P378P403+P233P305+P354+P338

Trade & Regulatory

HS Code 28403000
UN Number 3377
ADR Class 5.1
Packing Group III
Storage Class 5.1B - Oxidizing hazardous materials
WGK (Germany) 1

Other Names

perboricPerasafeInterox AClinsodentNatriumperboratsodiumborate,monohydrateperboricacid,sodiumsalt,DISODIUMPERBORATEMONOHYDRATE

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