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English Translations » 信息处理 » Urgently need relevant standards on the toxicity of hydrocya

Urgently need relevant standards on the toxicity of hydrocyanic acid and related lethality data

2009-04-01View Original

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Urgently need standards regarding the toxicity of hydrocyanic acid and related lethal data; please help, moderator! I must express my gratitude!
Reply #22009-04-01
Exposure limit: China’s MAC: 0.3 mg/m3; Soviet Union’s MAC: 0.3 mg/m3; United States’ TWA: OSHA 10 ppm, 11 mg/m3； ACGIH 10ppm; US STEL: No standard testing method established; colorimetric method using sodium pivalate-sodium barbital. Route of exposure: Inhalation, ingestion, dermal absorption. Toxicity: Highly toxic; LD50: LC50 ； 357 mg/m3 for 5 minutes (mouse inhalation)

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Translated at 2026-07-28 01:42:14

Original: https://bbs.hcbbs.com/thread-432096-1-1.html

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