Sodium perborate monohydrate

CAS Number
10332-33-9
EC Number
600-419-4
Chemical Formula
BHO3.H2O.Na
Molecular Weight
99.82 g/mol

Description

Sodium perborate monohydrate (CAS 10332-33-9) is a stable, water-soluble oxidizing salt used industrially as a bleaching and antimicrobial agent. It releases active oxygen upon dissolution, enabling controlled bleaching and disinfection across multiple sectors. Its lower water content compared to the tetrahydrate form makes it preferred where concentrated active oxygen delivery is required. In textile and laundry processing, it bleaches natural and synthetic fibers without the fiber damage associated with chlorine-based alternatives.

Personal care manufacturers incorporate it into tooth-whitening formulations, denture cleansers, and oxidative hair color products where controlled peroxide release is critical. These applications rely on the material's stability and predictable performance during the formulation process. Pulp and paper producers use it as a bleaching agent to achieve target brightness levels while managing effluent impact. In water treatment and industrial disinfection, it functions as a biocide effective against bacteria, fungi, and algae in recirculating systems.

Sodium perborate monohydrate is supplied as a white granular or powder material. It is available in technical grade for industrial bleaching and cleaning applications, as well as in higher-purity grades meeting specifications relevant to personal care. Standard packaging ranges from multi-wall bags to bulk quantities suited to large-scale industrial procurement. The material is handled according to strict safety protocols to ensure stability and efficacy throughout the supply chain and storage period.

Other Names (Synonyms)

Caswell No. 784A|Sodium borate, monohydrate|Y9UKD0XE6F|EPA Pesticide Chemical Code 011105|SODIUM PERBORATE MONOHYDRATE (MART.)|Amosan Wound Cleanser|RefChem:56246|Perboric acid (HBO(O2)), sodium salt, monohydrate

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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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

Documentation

Safety & Handling Learn More

Danger
GHS03· Oxidizing GHS05· Corrosive GHS06· Toxic GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H272 May intensify fire; oxidizer
H302 Harmful if swallowed
H318 Causes serious eye damage
H331 Toxic if inhaled

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P220 Keep away from clothing and other combustible materials.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

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
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