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Cumene classificazione

WebSep 12, 2024 · Scope. 1.1 This specification covers cumene (isopropylbenzene). 1.2 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the ... Web152-154 °C Alfa Aesar: 306 °F (152.2222 °C) NIOSH GR8575000 151 °C OU Chemical Safety Data (No longer updated) More details: 152-154 °C Alfa Aesar A11864: 152-154 °C (Literature) Oakwood 152-153 °C FooDB …

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WebCumene is a natural constituent of crude oil and occurs naturally in the environment in plants, marsh grasses and foodstuf (see Section 1.3.3; HSDB, 2005 Crude oil typically … WebWear cold insulating glovesand either face shield or eye protection. Wear fire resistant or flame retardant clothing. [In case of inadequate ventilation] Wear respiratory protection. ( Obsolete) In case of inadequate ventilation wear respiratory protection. toh merrick golf https://jjkmail.net

Cumene - Chemical Economics Handbook (CEH) S&P Global

WebDec 22, 2024 · NIOSH: Pocket Guide to Chemical Hazards - Cumene Literature References ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Cumene. See annual publication for most recent information. EPA Air Toxics Website: Cumene. U.S. Environmental Protection Agency Technology Transfer … WebThe cumene/O 2 system: a very simple tool for the radical chain oxidation of some functional groups . A. Malekafzali, K. Malinovska and F. W. Patureau, New J. Chem., 2024, 41, 6981 DOI: 10.1039/C7NJ01666B This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in … WebNov 23, 2009 · The chemistry of the cumene process features the desired reaction of benzene with propylene to form cumene and the undesirable reaction of cumene with … tohmes \u0026 frends hector

Cumene - Chemical Safety Facts

Category:Development of New Propylene Oxide Process - 住友化学株 …

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Cumene classificazione

Standard Specification for Cumene (Isopropylbenzene) - ASTM …

According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance may be fatal if swallowed and enters airways, is toxic to aquatic life with long lasting effects, is a flammable liquid and vapour and may cause respiratory irritation. About this substance About this … See more ECHA’s goal is to maintain this ECHA website and any information on this ECHA website available, accurate, up-to-date and functioning. However, ECHA makes no representations or warranties and accepts no liability … See more The User shall not transmit to, from or via the ECHA website, or post on the ECHA website any material which could be unlawful, harmful, defamatory, offensive or objectionable in any way whatsoever. See more In addition to the publication of general information related to its operational activities or otherwise, ECHA publishes the authentic … See more

Cumene classificazione

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WebOct 14, 2024 · Cumene May also be known as: Isopropylbenzene, 2-phenylpropane, 1-methylethyl benzene. Cumene is a colorless liquid that exists in coal tar and crude oil. It smells like gasoline and is sometimes blended in gasoline, but it is mostly used for plastic production or as a solvent for paints, lacquer, and enamel. Key Points/Overview. Uses & … WebJul 9, 2024 · Cumene [CAS No. 98-82-8] is a colorless liquid (boiling point 152°C, vapor pressure 427 Pa [20°C]) with characteristic odor that reacts violently with acids and strong oxidants with generation of fire or explosion hazard. It is mainly used as a raw material in the manufacture of phenol, acetone, and prooxidant, and is a minor constituent of ...

WebCumene (Chemical Abstracts Service Registry Number 98-82-8) is a water-insoluble petrochemical used in the manufacture of several chemicals including phenol and acetone. It volatilizes into the atmosphere from water and dry soil. Cumene strongly adsorbs to soils and is not expected to leak through easily. Cumene is metabolized primarily to the ... Webfor cumene is 55.0 mg/day i.e., cumene is a solvent with low toxicity to be listed in Class 3. (1) Meanwhile new toxicity data have been published including results from NTP 2-year

WebThe cumene process is described in Turton et al. 1 in a fair amount of detail. The basic flowsheet is presented, and the. kinetics of the reactions are given. This latter information is quite useful since it is often difficult to find kinetic information in the literature. The authors provide a good description of the basic units in the process ... WebProposal for Harmonised Classification and Labelling Based on Regulation (EC) No 1272/2008 (CLP Regulation), Annex VI, Part 2 International Chemical Identification: …

WebApr 16, 2012 · SAFETY DATA SHEET Creation Date 16-Apr-2012 Revision Date 25-Dec-2024 Revision Number 4 1. Identification Product Name Cumene Cat No. : AC329730000; AC329730025; AC329730050; AC329735000 CAS No 98-82-8 Synonyms Isopropylbenzene Recommended Use Laboratory chemicals. Uses advised against …

WebNov 23, 2009 · The chemistry of the cumene process features the desired reaction of benzene with propylene to form cumene and the undesirable reaction of cumene with propylene to form p -diisopropylbenzene. Both reactions are irreversible. Since the second has a higher activation energy than the first, low reactor temperatures improve selectivity … toh microsoft loginWebJul 15, 2024 · The experimental unit is shown in Fig. 1.The reactor (item 10) of 36 mm diameter and 500 mm high (in the experiments of this work), and 50 mm diameter and 400 mm high (in work [20]) is heated by a heating coil (item 5) and equipped with a cooling system (item 4) and a system for catching volatile vapor (items 12 and 13).The mixture of … peoples health 2019WebMar 24, 2024 · Group 1: Carcinogenic to humans: 126 agents: Group 2A: Probably carcinogenic to humans 94 agents: Group 2B: Possibly carcinogenic to humans: 322 … toh microsoftWebCumene is used as a thinner for paints, lacquers, and enamels and as a component of high octane fuels. (1,2,4) Cumene is also used in the manufacture of phenol, acetone, … peoples health 216 provider directoryWebCumeneis a clear, colorless liquid with a sharp, penetrating odor. It is used in the production of other chemicals, as an aviation fuel additive, and as a paint and enamel thinner. fODOR THRESHOLD=0.032 ppm fOdor thresholds vary greatly. Do not rely on odor alone to determine potentially hazardous exposures. Reasons for Citation tohm loginWebCumene is an oily, colorless, flammable liquid with a sharp, gasoline-like odor, classified as an aromatic hydrocarbon. It is used primarily as a raw material in the synthesis of other organic compounds, such as phenol, acetone, bisphenol A (BPA), phenolic resins, and methyl methacrylate. peoples health advantage planWebClassificazione della mis cela: Procedura di classificazione: Org. Perox. F H242 Basato su dati o valutazione di pro-dotto Acute Tox. 4 H302 Metodo di calcolo Acute Tox. 3 H331 Metodo di calcolo Skin Corr. 1B H314 Metodo di calcolo Eye Dam. 1 H318 Metodo di calcolo STOT SE 3 H335 Metodo di calcolo STOT RE 2 H373 Metodo di calcolo toh microsoft 365 login