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Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight

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Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight

Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight
Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight
Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight

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Product Details:
Place of Origin: CHINA
Brand Name: YIXIN
Certification: ISO9001
Model Number: YXB-005
Payment & Shipping Terms:
Minimum Order Quantity: 1-20ton
Packaging Details: 25kg/bag
Delivery Time: 5-12days after recieved deposit
Payment Terms: L/C, T/T, Western Union
Supply Ability: 5000ton/per month

Reliable Borax Acid Powder H3BO3 ISO9001 Standard 61.83 Molecular Weight

Description
Description: Orthoboric Acid Other Name: Hydrogen Borate
CAS NO: 10043-35-3 HS CODE: 2810002000
UN NO: 1439 Color: White
High Light:

pure boric acid

,

organic boric acid

H3BO3 powder orthoboric acid CAS NO 10043-35-3 used in glass LCD

making and enamel galzing

 

►Product description

 

 

Poruct name

Orthoboric acid

Molecular formula H3BO3
Molecular wight 61.83
Properties Colorless crystal or white powder
Purity 99.5%
UN number 1439
 

 

    

Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and

 

acidum boricum, is a weak, monobasic Lewis acid of boron, which is often

 

used as an antiseptic, insecticide, flame retardant, neutron absorber, or

 

precursor to other chemical compounds. It has the chemical formula H3BO3

 

(sometimes written B(OH)3), and exists in the form of colorless crystals or a

 

white powder that dissolves in water. When occurring as a mineral, it is called

 

sassolite.

 

 

 

  ► Occurrence

 

 

    Boric acid, or sassolite, is found mainly in its free state in some volcanic

 

districts, for example, in the Italian region of Tuscany, the Lipari Islands and

 

the US state of Nevada. In these volcanic settings it issues, mixed with steam,

 

from fissures in the ground. It is also found as a constituent of many

 

naturally occurring minerals – borax, boracite, ulexite (boronatrocalcite) and

 

colemanite. Boric acid and its salts are found in seawater. It is also found in

 

plants, including almost all fruits.

 

Boric acid was first prepared by Wilhelm Homberg (1652–1715) from borax,

 

by the action of mineral acids, and was given the name sal sedativum

 

Hombergi ("sedative salt of Homberg"). However borates, including boric

 

acid, have been used since the time of the ancient Greeks for cleaning,

 

preserving food, and other activities.

 

 

►Specification

 

 

 

       Item

                             Specification 

H3BO3 99.50%
NH3 0.60%
SO4 0.30%
CL ≤0.15%
Fe ≤0.06%
Water insoluble ≤0.06%

 

 

 

 

 ►Preparation

 

 

     Boric acid may be prepared by reacting borax (sodium tetraborate

 

decahydrate) with a mineral acid, such as hydrochloric acid:

 

Na2B4O7·10H2O + 2 HCl → 4 B(OH)3 [or H3BO3] + 2 NaCl + 5 H2O

 

It is also formed as a by product of hydrolysis of boron trihalides and

 

diborane

 

B2H6 + 6 H2O → 2 B(OH)3 + 6 H2

 

BX3 + 3 H2O → B(OH)3 + 3 HX (X = Cl, Br, I)

 ►Application

 

1. Glass making 

 

2. LCD flat panel displays

 

3. Enamel glazing 

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Tel: +8613391072385

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