Boron CAS 7440-42-8 B Powder Use in Glass Enamel Industry

Passivated / Amorphous Elemental Boron

`Executive stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd: Q/YTY002-2011

`English alias: Boron

`CAS RN: 7440-forty two-eight

one. Physical and chemical houses: Elementary symbol: B

1.two Atomic fat: 10.eighty one (on 1979 intercontinental atomic fat)

1.three Melting position: 2300 plusmn2 ordmC

one.4 Sublimation temperature: 2550 ordmC

one.5 Density: 2.34-two.37 g/cm3

1.six Solubility: Insoluble in drinking water, ethanol, ethyl ether and hydrochloric acid. Dissolved in chilly concentrated basic solution and created H2 at the same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and produce boric acid. Houses: It is tasteless and odorless. In the periodic desk of factors, boron is among metal factor collection and non-metallic factor series. Boron has many characteristics, this kind of as, sturdy electronegative, minimal atomic radius, and centralized nuclear charge, as a result, the chemical qualities of boron are comparatively lively. The non-metal residence of boron is similar to that of silicon. At high temperature, boron can react with oxygen, nitrogen, sulfur, halogen or carbon, etc. Boron is stable at standard temperature, but it will be oXiHu (West Lake) Dis.dized when heated to three hundred ordmC and burned if heated to seven hundred ordmC. . Boron can be merged right with several sorts of metals to form steel boride.

2. Technical indexes:

(one)Amorphous Elemental Boron


onest quality

2nd quality

threerd grade

Complete Boron(B) articles, %




Water soluble Boron(B) content material, %




pH value




Humidity content material, %




HtwoOtwo insoluble, %




Visual appeal

Pale brown or brown-black powder

(2)Passivated Amorphous Elemental Boron



Complete Boron (B) articles, %


Water soluble Boron (B) content material %


pH worth


Moisture articles, %


HtwoOtwo insoluble, %


Particle size (d50), microm


Visual appeal

Pale brown or brown-black powder

three. Application: Boron has been employed mainly in metallurgy, electronics, medicine, ceramics, nuclear industry and chemical sector etc. Boron has also been used in the varieties of compounds or as an additive in alloys. In addition, it can be utilized as the gasoline scavenger in metallurgy of some EPT alloy and smelted steels, the ignitor in the electrical sector, the manage rod of atomic reactor, and the large-strength fuels for ducted reliable rocket. Boron is the EPTant uncooked content for production substantial-purity halogenated boron and for a range of borides. Some rare noble metals can be substituted by boron. Boron and its compounds can also be utilised as the catalysts of some natural chemical reactions.

four. EPT recommendations: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The harm of central nervous system, abdomen and intestinal stimulation, ig. boron poisoning, are triggered by inhalation of boron. Eyes bear sligEPT stimulation as effectively. Be dealt with with rubber gloves, a respirator and eye protection by sporting protective clothes.

five EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, one kg internet every single.

six. Storage: Saved at cool, dry and ventilate location. The shelf existence is 12 months soon after made day. It is nonetheless obtainable if the retest outcomes of the homes are competent following expired day

7. Transportation:Stay away from rain, sunligEPT and crash. Do not mix with powerful oXiHu (West Lake) Dis.dizer.

In addition: We are in a position to deveXiHu (West Lake) Dis.Hu (West Lake) Dis. personalized-manufactured products according to the clients’ requests

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Presently covering an area of about 12000 sq. meters, EPTnEPT Chemical substances is the 1st domestic technological system organization of ‘Chemical EPT Materials Production and Analysis Incubator’ and the 1st domestic custom-made research and manufacturing business of fantastic substances intermediate analysis and production business.


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Boron CAS 7440-42-8 B Powder Use in Glass Enamel Industry

Boron CAS 7440-42-8 B Powder Use in Glass Enamel Industry