Boric Acid

Alternate Text

Molecular formula: H3BO3

Molecular weight: 61.83

CAS No.: 10043-35-3

Property:White powder of scaled crystal, feeling greasy, odorless and tasteless, soluble in water, alcohol, glycerol ether and volatile oil, the water solution indicating weak acidity, when heating to 70-100ºC, hydro-extracting gently to change into meta-boric acid; 150-160ºC, as pyro-boric acid: 300ºC, as boric anhydride (B2O3).


  1. This product is widely applied in glass manufactured industry, it is possible to improve the thermostabilization, transparency and strength of the glass products.

2. It can improve fastness of the ceramics.

3. It may be used in medical industry.

4. It may be used in smelting, metal welding, leather and dye etc.

5. It can be used as antiseptics, such as preventing the wood septic.

6. It can be used as a boric microelement manure and a insecticide too.


7. It can be as various boride widely applied in national defense and scientific research departments. 

Packing:Net in 25KG/50KG/1000KG plastic woven bag.

 Boric acid (H3BO3) 

       99.6% Min      0.010% Max 

Insoluble matter in water (dried) 

       0.010% Max      

       Sulfate (SO42-)      

       0.10% Max      

      Chloride (Cl-)     

       0.050% Max      

       Iron (Fe)      

       0.0020% Max      


Is a specialized manufacturing and operating chemical enterprise Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, STPP occupy largest export volume and export to more than 20 countries and regions in America , Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 10 years, stick to business philosophy of" you should give your customer what they really need not what you think they need ", Verdi has built long term & stable trade relationship with more than 45 countries and regions in the world. sincerely hope to cooperate with more clients in the world and seek common developments.