氟化氢[无水] 7664-39-3 hydrogen fluoride,anhydrous
CAS号:
7664-39-3
英文名称:
hydrogen fluoride,anhydrous
危险性类别:
急性毒性-经口,类别2*,急性毒性-经皮,类别1,急性毒性-吸入,类别2*,皮肤腐蚀/刺激,类别1A,严重眼损伤/眼刺激,类别1
危险性说明:
H300:吞咽致命
H310:皮肤接触致命
H330:吸入致命
H314:造成严重皮肤灼伤和眼损伤
H318:造成严重眼损伤
燃烧与爆炸危险性:
不燃,无特殊燃爆特性。具有强腐蚀性\r
中毒表现:
急性中毒:吸入较高浓度氟化氢,可引起眼及呼吸道黏膜刺激症状,严重者可发生支气管炎、肺炎或肺水肿,甚至发生反射性窒息。眼接触局部剧烈疼痛,重者角膜损伤,甚至发生穿孔。氟化氢极易溶入水,其溶液即为氢氟酸。氢氟酸皮肤灼伤初期皮肤潮红、干燥。创面苍白,坏死,继而呈紫黑色或灰黑色。深部灼伤或处理不当时,可形成难以愈合的深溃疡,损及骨膜和骨质。本品灼伤疼痛剧烈\r慢性影响:眼和上呼吸道刺激症状,或有鼻衄,嗅觉减退。可有牙齿酸蚀症。骨骼X线异常与工业性氟病相比少见\r
急救措施:
吸入:立即脱离现场,吸氧,保持呼吸道通畅。用2%~4%碳酸氢钠溶液洗鼻、漱口、雾化吸入\r眼睛接触:立即用大量清水或生理盐水冲洗至少15min。就医\r皮肤接触:立即用大量清水彻底冲洗,至少20~30min,可适当应用中和剂,如3%氢氧化钙溶液冲洗、浸泡或湿敷\r食入:立即给服6片葡萄糖酸钙或碳酸钙(事先化在水中),不要催吐。就医\r根据临床表现和血钙情况,可适当补充钙剂\r
灭火方法:
消防人员须佩戴空气呼吸器,穿全身耐酸碱消防服,在上风向灭火。尽可能将容器从火场移至空旷处。喷水保持火场容器冷却,直至灭火结束\r
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