Basic Information BP2009/USP32 Caracteristics:A white, crystalline powder, colorless, shiny plates greasy to the touch, or white crystals, soluble in water an in alcohol, freely solule in boiling water and glycerol Identification: positive PH: 3.8-4.8 Appearance of solution: Conform Solubility...
Caracteristics:A white, crystalline powder, colorless, shiny plates greasy to the touch,
or white crystals, soluble in water an in alcohol, freely solule in boiling
water and glycerol
Appearance of solution: Conform
Solubility in ethanol: Conform
Organic matter: Conform
Sulfate (SO42-):0.045% Max
Heavy Metals: 0.0015% Max
Loss on drying :0.5% Max
Boric acid (H3BO3):99.0-100.5%
Storage and transportation matters
Should be stored in a dry clean storage room, should not be placed in the open air, should avoid rain or damp.The vehicles should be transported within the shacks, cabins or cabins, and should not be mixed with wet goods and colored raw materials. The transport tools must be dry and clean.
Properties: white powdery crystal or colorless triclinal surface gloss of the scales.
USES: used as glass, enamel, porcelain, medicine and other industrial raw materials.
Boric acid is a pure and versatile material containing boron oxide.Boric acid, like borax, is a widely used industrial boride.
Boric acid is composed of boric oxide and water.It is a white crystal that can be made into particles or powders.These two forms are stable under normal conditions and have fluidity, which can be easily transported by air or mechanical, and the solution is slightly acidic.
Boric acid is heated to 100 ℃, due to constantly lose water, become metaborate it first, it has three variants, melting point 176 ℃, 201 ℃ and 201 ℃ respectively.Boric acid dehydration to produce metaborate ended (as long as the temperature does not exceed 150 ℃).And then you heat it up again, and the water is degenerated into boron oxide.Crystal boron oxide melt when 450 ° C.The amorphous boron oxide has no definite melting point, it begins to soften, in 325 ℃ 500 ℃ all become liquid.
Boric acid was controlled by the U.S. environmental protection agency as cockroaches, termites, ants, fleas, bookworm and other pests pesticides, boric acid can affect their metabolism and eroding their exoskeletons.It can be used to kill insects with baits containing attractants (sugar, etc.), and directly with dried boric acid.If use directly with boric acid, the boric acid may run into the cracks of the floor, and when insects through cracks, their feet were stained with boric acid, when they organize their again (with the mouth licking) will eat into the boric acid, which led to the deaths of them within three to ten days.
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