English title:Amporphous aspect boron

English another title:Boron

CAS RN:7440-forty two-eight

1 Bodily and chemical qualities:

1.one Elementary symbol:B

one.two Atomic excess weight:ten.81(on 1979 worldwide atomic excess weight)

1.3 Melting level:23002C

1.4 Sublimation temperature:2550C

1.five Distinct gravity:two.34-2.37

1.6 Solubility: It is undissolved in water, hydrochloric acid, ethanol and ethyl ether, but dissolvable in chilly concentrated simple solution and decomposed, hydrogen is release at the same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid to boric acid.

one.7 Qualities: Boron is on a EPT location in the mid of metallic and nonmetal on the periodic table of aspects. Its chemical qualities are more lively since of really strong adverse electricity, modest atomic radius and centralized nuclear charge. It is steady in regular temperature, oXiHu (West Lake) Dis.dized when heating to 300C,and burned if heated to 700C.It is tasteless and odorless. Its nonmetal property is similar to silicon. Boron can interact with oxygen, nitrogen, sulfur, halogen or carbon etc. It can be blended directly with numerous sorts of metals to kind the boronic compounds. Additionally boron can be also reacted with natural compounds to create some compounds, in which boron is immediately joined to carbon, or oxygen eXiHu (West Lake) Dis.sts amongst boron and carbon.

2. Technological indexes:

Product	1st grade	2nd quality	third quality	4th quality
Complete Boron(B) material,%	95	92	ninety	88
H2o soluble Boron(B) content material %	.forty five	.fifty five	.6	.9
PH price	6-six.five	six-six.five	six-six.five	six-six.5
Humidity content, %	.five	.five	.5	.5
Visual appeal(see with eyes)	Pale brown or brown-black amorphous powder

Solution Employs

3. Employs:Boron is mainly used in metallurgy, electronics, drugs, ceramics, nulear industry and chemical sector etc, it is employed in the sort of compound or is included in some alloEPTas a addend. It can be employed in smelting of some EPT alloy steels and as the fuel remover for the melting metal, in the burn up-entraining pole of burning-entraining tube in the business, in the control adhere of atomic reactor, and in the higher-vitality fuels for rocket. It is a EPTant materials for making high-pure halogenatedborons, also a content for producing a selection of boronic compounds. A lot of noble and uncommon metals can be substituted and saved by it. Boron and its compounds can be also utilised as the catalyst for some natural chemical reactions, and so on.

4. EPT notes:the solution is deemed toXiHu (West Lake) Dis.c by inhaling and taking in, to inhale it will have an result on the central nervous method, to consume it will guide to stimulation of belly and intestines canal and boron poisoning, to speak to with skin or eyes will direct to sligEPT stimulation, must use basic safety protective eyeglasses, dustproof gauze mask, rubber gloves in the course of managing it.

5 Deal:Its vacuum-packed in the aluminium foil luggage, in which has been put the plastic bag. Web weigEPT 1kg a bag.

6. Storage:It should be held in a shady, ventilating and dry storehouse. Its shelf life is one yr. The item can be even now used if up to stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd through retest right after the specified date.

7. Transportation:should steer clear of violent collision, rain drenching, sunning, and cant just take blended transportation with powerful oXiHu (West Lake) Dis.dants for the duration of transporting.