Dibenz a h anthracene 中文
WebThe total concentrations of these priority PAHs ranged from 298 to 336 mg L 1. The levels of PAHs are relatively high in low molecular weight fractions such as naphthalene, acenaphthylene, acenaphthene, fluorene and pyrene, and high molecular weight fractions such as indeno[ 1, 2, 3-cd]pyrene and dibenz( a, h)anthracene. WebDibenz[ a , h ]anthracene. undefined. Synonyms: 1,2:5,6-Dibenzanthracene. CAS 53-70-3. Molecular Weight 278.35. Browse Dibenz[ a , h ]anthracene and related products at …
Dibenz a h anthracene 中文
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Webf Inhaling Dibenz(a,h)Anthracene can irritate the nose and throat causing coughing and wheezing. f Exposure to Dibenz(a,h)Anthracene can cause headache, dizziness, … Web苯并[a]蒽，是一种有机化合物，化学式为C18H12，为白色或浅黄色片状结晶，有黄绿色荧光，溶于多数有机溶剂，难溶于乙酸、热乙醇，不溶于水，主要用于有机合成。2024年10月27日，世界卫生组织国际癌症研究机构公布的致癌物清单初步整理参考，苯并[a]蒽在2B类致 …
http://www.cqjnw.org/res/2024/08-27/19/37e384066d9bf96bd51297528166c134.pdf WebDec 21, 2024 · Dibenz [a,h]anthracene is largely associated with particulate matters, soils, and sediments. Its presence in places distant from primary sources indicates that it is reasonably stable in the atmosphere and capable of long-distance transport. Dibenz [a,h]anthracene can be adsorbed very strongly if released to the soil.
WebDec 17, 2024 · Synonyms. tetraphene; 1,2-benzanthracene; benzanthrene; benzanthracene; benzo [a]anthracene. Physical Properties. Physical Properties. … Web马可直通车开启预售！全新推广 强势来袭！火热招商中... 先到先得 ！
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WebIf the following amounts of individual PAHs are released to the environment within a 24-hour period, EPA must be notified: 1 pound of benzo[b]fluoranthene, benzo[a]pyrene, or dibenz[a,h]anthracene; 10 pounds of benz[a]anthracene; 100 pounds of acenaphthene, chrysene, fluoranthene, or indeno[1,2,3-c,d]pyrene; or 5,000 pounds of acenaphthylene ... mass general hospital shuttleWebBenz (. e. )acephenanthrylene. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Benz [e]acephenanthrylene is an organic compound with the chemical formula C 20 H 12. It is a polycyclic aromatic hydrocarbon (PAH) made of four benzene rings around a 5-membered ring. hydromorphon hexal 2 mgWebDibenz[a,h]anthracene produced carcinomas in mice following oral or dermal exposure and injection site tumors in several species following subcutaneous or intramuscular administration. Dibenz[a,h]anthracene … mass general hospital summer internshipWebWorkers in industries that inadvertently produce dibenzo (a,h)anthracene may breathe in mists or have direct skin contact. The general population may be exposed by breathing … hydromorphone to fentanyl patchWebBenz[a]anthracene Benzo[b]fluoranthene Benzo[k]fluoranthene Chrysene Dibenz[a,h]anthracene Indeno[1,2,3-cd]pyrene Source: USEPA (1993), Table 8. Reference: USEPA 1993. Provisional Guidance for Quantitative Risk Assessment of Polycyclic Aromatic Hydrocarbons. EPA/600/R-93/089. Title: hydromorphone synthetic opioidWebDibenz[a,h]anthracene exists as white crystals, colorless plates or leaflets, or yellow solid and has a molecular weight of 278.33. It has a melting point of 269.5 °C and a boiling point of 524 °C. Dibenz[a,h]anthracene is soluble in organic solvents like petroleum ether, benzene, ether, and toluene but insoluble in aqueous solvents. The ... mass general hospital tax id numberWebDibenz [a,h]anthracene is an organic compound with the chemical formula C 22 H 14. It is a polycyclic aromatic hydrocarbon (PAH) made of five fused benzene rings. It is a fused … hydromorphon hydrochlorid 4 mg