99.5% Borax Acid Powder Glass / Ceramics Glazing Industry Grade UN NO 1439

99.5% Borax Acid Powder Glass / Ceramics Glazing Industry Grade UN NO 1439

Product Details:

Place of Origin: CHINA
Brand Name: YIXIN
Certification: ISO9001
Model Number: YXB-005

Payment & Shipping Terms:

Minimum Order Quantity: 1-20ton
Price: usd750-900/ton FOB DALIAN PORT
Packaging Details: 25kg/bag
Delivery Time: 5-12days after recieved deposit
Payment Terms: L/C, T/T, Western Union
Supply Ability: 5000ton/per month
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Detail Information

UN NO: 1439 Color: White
Properties: Powder Purity: 99.5%
Packing: 25kg Density: 1.44
High Light:

boric acid crystals

,

organic boric acid

Product Description

 99.5%  boric acid powder UN NO 1439  from China use for making

glass ceramics glazing and fertilizer CAS NO 10043-35-3 

►Description 

 

 

 Poruct name

  Boric acid

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

 

 

     Boric acid  is a white crystal powder or small granular  .It is  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. 

 

►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 

 

 

    Boric acid powder widely used for making glass ceramics glazing and fertilizer .

 

 

► FAQ

 

 

 

 

1. How did you check the quality of product ?

 

Of course we can provide free sample ,but you need you to prepaid the express 

 

freight to your city.


2. What's your delivery time?

Usually we will arrange the shipment in 3 -15 days, due to different products you

 

choose.

 

3. How many years have your company sell chemicals in this industry ?

 

More than 25 years , we have good reputation .


4.Why choose our company?

We are professional company ,we have been exporting this product for more than 

 

25 years.Wehave specialized term work .

5. What payment tearms you can accept ?

We can accept T/T or LC at sight ,and 30% advance payment +70% dp at sight

LC , moneygram.

 

 

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