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分子式:HBF4
相对分子量:87.81
CAS NO:16872-11-0
执行标准:中石油标准SY/T6213─1996
性质:无色透明液体。相对密度约1.40。能与水或醇相混溶。加热到130℃时分解。能同金属元素、金属氟化物、氧化物、氢氧化物或碳酸盐反应生成相应的氟硼酸盐,有毒。
用途:油田酸化作业,作为缓蚀剂,用于油井酸化解堵。
包装:用聚乙烯塑料桶包装。净重 250kg。
储运及安全防护:属二级无机酸性腐蚀物品。危规编号:81026。要小心轻放,不慎接触人体要用大量水冲洗。
英文版
Fluoroboric acid (plating grade)
Molecular formula: HBF4
Relative molecular weight: 87.81
CAS NO: 16872-11-0
Executive standard: SY/T6213─1996
Item | Index | Index |
Fluoroboric acid (HBF4), % ≥ | 49.5 | 49.5 |
Free boric acid, % ≤ | 2.0 | 2.0 |
Iron (Fe), % ≤ | 0.005 | 0.005 |
Chloride, % ≤ | 0.005 | 0.005 |
Sulfate, % ≤ | 0.003 | 0.01 |
Pb % ≤ | ---- | 0.005 |
Item | Index |
Fluoroboric acid (HBF4), % ≥ | 50 |
Free boric acid, % ≤ | 3.0 |
Iron (Fe), % ≤ | 0.01 |
HF, % ≤ | 3.0 |
Sulfate, % ≤ | 0.03 |
Properties: Colorless transparent liquid; relative density is about 1.40; blendable and soluble in water and alcohol; decompose when heated to 130℃; can react with metallic element, metallic fluoride, oxide, hydroxid or carbonate to produce corresponding fluoborate; toxic.
Use:
Packing: Pack in 25kg or 250kg polyvinyl plastic drum.
Storage, transportation & safety protection: It belongs to second-class inorganic acid corrosives, UN No. 81026. Please handle it with care. Once touching it, please rinse the skin with lots of water immediately.