Anhydrous hydrofluoric acid Molecular formula: hf Molecular weight: 20.01 Technology index: gb7744-1997 Index nameIndex Superior gradeFirst gradeEligible grade Hydrofluoric content, % 99.9599.9099.70 Moisture, % 0.030.060.10 Fluorsoilicic acid, % ¿¬0.0100.0200.050 Sulfur dioxide(so2), % 0.0070.0150.030 Non-volatile acid(h2so4), % 0.0050.0200.050 Properties: The product is a colorless, transparent liquid. It has a strongly pungent odor. It is very corrosive and strongly toxic. White fumes can rise from it in air. Boiling point, 19.5¿¬pc. Application: The product is mainly used for making element fluorine, fluorsalt, haloidalkane fluoride and hydrofluoric acid. It can be also used as fluoride agent. Storage: The product should be stored in a storehouse with a shed and kept away from the sunlight. Strictly forbid storing it with combustibles and explosives together. Transport: It should be treated as grade a inorganic acid corrosive goods. Packing: (1)it is refilled in a mid-pressure steel cylinder without a fusible stopper, with net weight 330kg or 660kg per cylinder. (2)isotank with net weight 16500kg.
