Web无色液体。 熔点- 96℃。 沸点152~154℃。 相对密度0.8618。 折射率1. 4915。 临界温度351.4℃。 临界压力3.21MPa闪点(闭杯)35℃。 自燃点500℃。 黏度 (20℃)0. 791mPa.s。 爆炸极限(空气中)1.O%~8.O%(体积)。 不溶于水,溶于乙醇、乙醚,苯和四氯化碳。 最后更新:2024-01-01 10:39:28 异丙苯 - 制法 开放数据 可信数据 由 … WebCumene. Cumene's recommended exposure limit (REL) on skin is about 500ppm (245mg/m3) and it's threshold limit value-time weighted average (VLV-TWA) is near …
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WebCumene occurs as a colorless flammable liquid that is insoluble in water. (2,4,8) Cumene has a sharp, penetrating, gasoline-like odor, with an odor threshold of 0.088 parts per … WebDocumentation and Data. Notice of Intended Changes; Under Study; Substances and Agents Listing; Overview. Threshold Limit Values (TLVs ®) and Biological Exposure Indices (BEIs ®) are determinations made by a voluntary body of independent knowledgeable individuals.They represent the opinion of the scientific community that has reviewed the … ponseti method steps
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WebCumene's recommended exposure limit (REL) on skin is about 500ppm (245mg/m3) and it's threshold limit value-time weighted average (VLV-TWA) is near 50ppm (The National Institute for Occupational Safety and Health, 2024; From: Reference Module in Biomedical Sciences, 2024 View all Topics Add to Mendeley About this page Cumene WebApr 6, 2024 · Highly flammable colorless to light-yellow liquid with a petroleum-like odor. Boiling point 176.2°F Molecular weight 78.11 Freezing point/melting point: 41.9°F ... ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Benzene. See annual publication for most recent information. Web10 ppm averaged over a 10-hour workshift. ACGIH: The threshold limit value (TLV) is 2 ppm averaged over an 8-hour workshift. The above exposure limits are for air levels only. … pons english dictionary