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Product introduction
异氰酸是一种无色、挥发性的有毒无机化合物,化学式为HNCO;是含有碳、氢、氮和氧这四种有机化学和生物学中最常见元素的最简单稳定化合物。它是一种氢酸和一碳化合物。它是氰酸盐的共轭酸。它是氰酸酸的互变异构体。
Chinese name
异氰酸
English name
isocyanic acid
Chinese alias
-
English alias
Carbimide; Hydrogen isocyanate; Isocyanic acid (HNCO)
CAS number
75-13-8
molecular formula
CHNO
molecular weight
43.025
Exact mass
-
PSA
40.9
Logp
1
Safety
  • Treatment: 氰化物中毒的解毒剂包括羟钴胺和亚硝酸钠,它们可从细胞色素系统中释放氰化物,以及硫氰酸酶,这是一种存在于哺乳动物中的天然酶,可将血清中的氰化物与硫代硫酸盐结合,产生相对无害的硫氰酸盐。也可以给予氧气治疗。(L97)
  • exposure pathway: 吸入(L96);口服(L96);皮肤接触(L96)
  • Toxicity summary: 氰化物是电子传递链第四复合物(存在于真核细胞的线粒体膜中)细胞色素c氧化酶的抑制剂。它与该酶中的三价铁原子结合。氰化物与这种细胞色素的结合阻止了电子从细胞色素c氧化酶向氧气的传递。结果,电子传递链被破坏,细胞无法再通过有氧呼吸产生ATP供能。主要依赖有氧呼吸的组织,如中枢神经系统和心脏,尤其受到影响。氰化物还通过与过氧化氢酶、谷胱甘肽过氧化物酶、高铁血红蛋白、羟基钴胺胺、磷酸酶、酪氨酸酶、抗坏血酸氧化酶、黄嘌呤氧化酶、琥珀酸脱氢...
  • Health Effects: 短时间内高浓度接触氰化物会损害大脑和心脏,甚至可能导致昏迷、癫痫、呼吸暂停、心脏骤停和死亡。慢性吸入氰化物会导致呼吸困难、胸痛、呕吐、血液变化、头痛和甲状腺肿大。皮肤接触氰化物盐会引起刺激并产生溃疡。(L96, L97)
  • Symptoms and Signs: 氰化物中毒的特征是呼吸急促而深、呼吸困难、全身无力、头晕、头痛、眩晕、意识混乱、惊厥/癫痫发作,最终失去意识。(L96, L97)
  • Hazard categories and classifications: STOT SE 3 (100%)
  • Protective Action Standards (PAC): PAC-3: 15 [ppm]
  • Carcinogen Classification: 对人类无致癌性迹象(未被IARC列出)。
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Research chemical CAS 75-13-8 AR 25g

Yuanye Research chemical CAS 75-13-8 AR 25g, complete specifications; suitable for production, research, laboratory testing and inspection; digital one-stop procurement platform for scientific materials.

item number:V11698-25g
Product model:25g
level: AR 25g
Lead Time:30days
sold 22 Items
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