四氟甲烷 75-73-0 tetrafluoromethane;freon 14
CAS号：
75-73-0
英文名称：
tetrafluoromethane;freon 14
危险性类别：
加压气体，特异性靶器官毒性-一次接触，类别3（麻醉效应）
危险性说明：
H280或H281:内装高压气体；遇热可能爆炸
或
内装冷冻气体；可能造成低温灼伤或损伤
H336:可引起昏睡或眩晕
燃烧与爆炸危险性：
不燃，无特殊燃爆特性。在高温火场中，容器内压增大，有开裂和爆炸的危险\r
中毒表现：
高浓度有麻醉作用。接触后可引起头痛、恶心和呕吐。接触液化气体可引起冻伤\r
急救措施：
吸 入：迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难，给输氧。呼吸、心跳停止，立即进行心肺复苏术。就医\r眼睛接触：不会通过该途径接触\r皮肤接触：如发生冻伤，用温水（38℃～42℃）复温，忌用热水或辐射热，不要揉搓\r食 入：不会通过该途径接触\r
灭火方法：
切断气源。消防人员须佩带防毒面具，穿全身消防服，在上风向灭火。喷水保持火场容器冷却，直至灭火结束。尽可能将容器从火场移至空旷处。本品不燃，根据着火原因选择适当灭火剂灭火\r
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