Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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Hydrofluoric acid is aqueous solution of hydrogen fluoride gas, transparent colorless to pale yellow liquid smoke. Irritating odor. There are highly toxic. Corrosive strong, teeth, bone damage is more serious. Silicon compounds are highly corrosive. It should be kept in a sealed plastic bottle.

Hydrofluoric acid burns:

Pathways: may be absorbed through the skin, by inhalation of hydrofluoric acid mist Toxicological Profile: skin irritation strong and corrosive hydrofluoric acid hydrogen ions on human tissue dehydration and corrosion, and fluorine. One of the most active non-metallic elements. after contact with skin, hydrofluoric acid, fluoride ion dissociation continued to penetrate deep tissue, dissolve the cell membrane, resulting in the epidermis, dermis, subcutaneous tissue, muscle and even liquefaction necrosis.

Hydrofluoric acid can also be absorbed through the skin and cause severe poisoning clinical manifestations: the degree of skin damage and hydrofluoric acid concentration, contact time, contact parts and related treatment the higher the concentration, the longer the contact time, the more dense soft or injured tissue. Contact with more than 30% concentration of hydrofluoric acid, pain and lesions often occur immediately, the role of the more rapid and intense. When exposed to low concentrations, often beginning several hours pain and skin burns. Localized early lesions were erythema, immediately flush into white edema, necrosis and then becomes light cyan gray, then brown or black complex with thick scab, scab off after the formation of ulcers. Finger parts damage often turned bullous deck often simultaneously involved, the nail bed a week with the swelling. a severe blister formation under the nail bed and separate deck. Burns often has a high concentration of necrosis, slow healing ulcers. In severe cases, involving the local bone, especially phalanx is more common. interphalangeal joints showed stenosis articular surface rough edge is not sharp, cortical hyperplasia, narrow canal, as well as bone resorption and other similar signs of osteomyelitis.