factory price Sodium Borax Na2B4O7 cas 1303-43-4

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factory price Sodium Borax Na2B4O7 cas 1303-43-4

 Executive standard: Q/YTY005-2011

 Chemical name: Sodium tetraborate

 CAS RN: 1330-43-4

 1. Physical and chemical properties:

1.1 Molecular formula: Na2B4O7

1.2 Molecular weight: 201.22

1.3 Structure formula:
borax pentahydrate 1330-43-4 powder borax


1.4 Melting point: 742.5(for orthorhombic crystal A); 664(for orthorhombic crystal B)

1.5 Density: 2.28 (for orthorhombic crystal A); 2.75(for orthorhombic crystal B)

1.6 Properties: Its hygroscopicity is extremely strong. Dissolved in water, but slowly dissolved in methanol to form a concentration of 13-16% solution.

 2. Technical indexes:

borax pentahydrate 1330-43-4 powder borax

3. Application:
Sodium Borate has been mainly used in the manufacturing high quality glass, optical glass, glaze of pottery and porcelain, glaze of enamel, detergent, bleaching agent, cleaning agents, flame retardant, rust inhibitor and caking agent. It could be also used as the carrier of the lubricant used in metal wiredrawing, the stabilizer of refractory material and skeleton former, the coated fluxing agent in metallurgy, the retarder of cement and concrete, the buffer of pH value in water system and emulsifier of paraffin.



 5. Packing: Woven bag lined with plastic bag, net weight 25kg /bag.

borax pentahydrate 1330-43-4 powder borax


borax pentahydrate 1330-43-4 powder borax

Yingkou Tanyun Chemical Research Institute Co., Ltd
              47 years history  of manufacturing fine chemicals

                                                  5 R&D bases and OEM ,customization service.

     Main series: Ferrocene series, Boron series, Plasctizer, HTPB , AP, Musk r-1,PVB resins . 

GJB9001B 2009(National Military Standard) quality management system certification,which is stricter than IS09001 international quality certificate. 

Develop custom-made products according to the clients’ requests and offer OEM service.

1.Forty years technique deposition
2.Military standard quality
3.Free sample
4.Small order is acceptable
5.24 hours online service

1.Are you a manufacturer?

We're a professional manufacturer of fine chemicals, a premium aerospace supplier, with 47 years history and 5 R&D bases.
2.What is your payment term?

usual T/T in advance or as your requests.
3.Delivery time?

ASAP after your payment, usually three to five working days.
4.What is your advantage?

High quality products, strict quality testing, OEM and Customization service.
Also we can supply one-stop service from sample ,development and research, order, delivery, after-sale service
5.What about TDS, COA and MSDS?
For TDS, kindly visit www.tanyunchem.com. 
COA and MSDS,send inquiry
 or add Skype/Linkedin: Claier Shi
6. Any questions for our factory?
Welcome to visit our factory in Yingkou, Liaoning.

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