beta-butyrolactone

Agents Classified by the IARC Monographs Volumes 1–112 CAS No Agent Group 1 1 1 1 1 1 1 1 1 Volume 100E 111 54 100F 56 82 100F 44 96 100E 34 Sup 7 100F 1 Sup 7 99 100F 85 100E 82 100A Year 2012 In prep 2012 2012 2012 2012 2012 2012 2012 000075-07-0 Acetaldehyde associated with consumption of alcoholic beverages Acheson process occupational exposure associated with beta-Butyrolactone 0 7 Cadmium: 0 05 (inhalation) 4 1 (oral) Captafol 5 Captan: 300 Carbazole 4 1 Carbon tetrachloride 5: N-Carboxymethyl-N-nitrosourea 0 70 Chlorambucil: 0 002 Chlordane 0 5 Chlordecone (Kepone) 0 04 Chlorendic acid 8 Chlorinated paraffins (Average chain length C12 approximately 60 percent chlorine by weight) 8 p-Chloroaniline: 1 5 p-Chloroaniline hydrochloride

beta

beta-Butyrolactone CAS Number 3068-88-0 Synonym(s) 3-Hydroxybutyric acid bets-lactone 4-Methyl-2-oxetanone Occurence(s)/Use(s) Building block for organic synthesis Cancer Potency Information Latest Criteria: Proposition 65 NSRLs/MADLs Inhalation Unit Risk (μg/cubic meter)-1: 2 9 E-4 Inhalation Slope Factor (mg/kg-day)-1: 1 0 E+0 Oral Slope Factor (mg/kg-day)-1: 1 0 E+0

Synonyms: 2-Oxetanone 4-methyl- beta-Butyrolactone beta-Butyrolakton 3-Hydroxybutanoic acid beta-lactone Hydroxybutyric acid lactone 3-Hydroxybutyric acid lactone 3-Hydroxybutyric acid beta-lactone Butanoic acid 3-hydroxy- beta-lactone Appearance: colourless liquid Melting Point: -43 5 C Flash Point: 60 C Stability: Stable Incompatible with strong bases strong oxidizing

beta-Butyrolactone Cancer (07/01/1987) C I Acid Red 114 Cancer (07/01/1992) Male Reproductive Toxicity (08/07/2009) Developmental Toxicity (07/01/1989) Reproductive Toxicity (07/01/1989) Male Reproductive Toxicity (07/01/1989) Ceramic fibers (airborne particles of respirable size) Cancer (07/01/1990) Carboplatin Developmental Toxicity (07/01/1990) N-Carboxymethyl-N-Nitrosourea

Congrats to Team Canada member Edward Cross who just had his manuscript accepted into the Journal of Polymer Science Part A: Polymer Chemistry This paper captures most of Eddie's M Sc thesis and includes new catalysts for immortal polymerization of and copolymerization of rac-lactide and beta-butyrolactone Well done!

Consumer Alert Help to protect yourself your family and your local community from the threat of Synthetic Drugs by providing tips to the Drug Enforcement Administration (DEA) Synthetic Drugs also referred to as New Psychoactive Substances represent an emerging and ongoing public health threat in the United States Synthetic Drugs may have cute names like Green Giant Joker N-bomb or

Words that match the pattern beta*

beta-butyrolactone cas #3068-88-0 96 beta-carboline 97 beta-carboline-2-n-methyltransferase 98 beta-carboline indoleamine alkaloid 99 beta-carbon elimination 100 beta-cardone: Next page Too many results? Click Common words and phrases above! Learn more about wildcard features Show only matches that are related to this concept: Search completed in 0 014 seconds Home Reverse

beta-Butyrolactone cancer 3068-88-0 July 1 1987 Cacodylic acid cancer 75-60-5 May 1 1996 Cadmium developmental male --- May 1 1997 Cadmium and cadmium cancer --- October 1 1987 compounds Caffeic acid cancer 331-39-5 October 1 1994 Captafol cancer 2425-06-1 October 1 1988 Captan cancer 133-06-2 January 1 1990 Carbamazepine developmental 298-46-4 January 29 1999 Carbaryl cancer

Aluminium Salophen and Salen Initiators in the Ring-opening Polymerisation of rac-Lactide and rac-β-Butyrolactone: Electronic Effects on Stereoselectivity and Polymerisation Rates** Christian Agatemor 1 2Amy E Arnold Edward D Cross 1 Andreas Decken and Michael P Shaver1 3 * [1]Department of Chemistry University of Prince Edward Island 550 University Avenue C1A 4P3

Dakshinamoorthy Deivasagayam Frdric Peruch Titanium Complexes Based on Aminodiol Ligands for the Ring-Opening Polymerization of epsilon-Caprolactone rac-beta-Butyrolactone and Trimethylene Carbonate Journal of Polymer Science Part A: Polymer Chemistry Wiley 2011 49 (24) pp 5176-5185 10 1002/pola 24986 hal-00817527

This file is licensed under the Creative Commons Attribution-Share Alike 4 0 International license : You are free: to share – to copy distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit provide a link to the license and indicate if changes were made You may do so in any reasonable manner but

1 A method for the ring opening polymerization of a cyclic compound polymer precursor comprising subjecting a cyclic compound selected from the group consisting of lactones lactams cyclic acid anhydrides cyclic carbonates and lactides to ring opening polymerization conditions in the presence of a catalytically effective amount of hydrolase

β-PROPIOLACTONE 1107 Table 1 (contd) Test system Resulta Reference Without exogenous metabolic system With exogenous metabolic system Doseb (LED or HID) SA5 Salmonella typhimurium TA1535 reverse mutation NT – NG Anderson Styles (1978) SA5 Salmonella typhimurium TA1535 reverse mutation + NT 3 Castellino et al (1978) SA5 Salmonella typhimurium TA1535 reverse mutation + NT

Rieth LR Moore DR Lobkovsky EB Coates GW (2002) Single-site beta-diiminate zinc catalysts for the ring-opening polymerization of beta-butyrolactone and beta-valerolactone to poly(3-hydroxyalkanoates) J Am Chem Soc 124:15239–15248 CrossRef PubMed Google Scholar

Highly Active Chiral Zinc Catalysts for Immortal

Highly Active Chiral Zinc Catalysts for Immortal Polymerization of beta-Butyrolactone Form Melt Processable Syndio-Rich Poly(hydroxybutyrate) Title: Highly Active Chiral Zinc Catalysts for Immortal Polymerization of beta-Butyrolactone Form Melt Processable Syndio-Rich Poly(hydroxybutyrate) Publication Type: Journal Article: Year of Publication : 2016: Authors: Ebrahimi T Aluthge DC

23 03 20175 The method of claim 1 wherein the diluent is selected from the group consisting of: delta-valerolactam delta-valerolactone gamma valerolactone butyrolactam beta butyrolactone gamma butyrolactone and combinations thereof 6 The method of claim 1 wherein the diluent is present in an amount of 2% by weight to 15% by weight based on

Congrats to Team Canada member Edward Cross who just had his manuscript accepted into the Journal of Polymer Science Part A: Polymer Chemistry This paper captures most of Eddie's M Sc thesis and includes new catalysts for immortal polymerization of and copolymerization of rac-lactide and beta-butyrolactone Well done!

Novel substituted dioxanones obtained from (R)-3-hydroxybutyric acid for example 2 2-dimethoxy-6-methyl-1 3-dioxan-4-one a method for their preparation and processes using the dioxanones as starting material The dioxanones can be used in particular as intermediates in the preparation of (S)-4-methyl-ta -butyrolactone

1 A method for the ring opening polymerization of a cyclic compound polymer precursor comprising subjecting a cyclic compound selected from the group consisting of lactones lactams cyclic acid anhydrides cyclic carbonates and lactides to ring opening polymerization conditions in the presence of a catalytically effective amount of hydrolase

The present invention relates to a process for separating polyhydroxyalkanoate from a biomass the process comprising extracting the polyhydroxyalkanoate with at least one PHA solvent selected from the group consisting of acetone acetonitrile benzene butyl acetate butyl propionate 'beta'-butyrolactone ' gamma '-butyrolactone diethyl

beta-Butyrolactone 0 7 Cadmium: 0 05 (inhalation) 4 1 (oral) Captafol 5 Captan: 300 Carbazole 4 1 Carbon tetrachloride 5: N-Carboxymethyl-N-nitrosourea 0 70 Chlorambucil: 0 002 Chlordane 0 5 Chlordecone (Kepone) 0 04 Chlorendic acid 8 Chlorinated paraffins (Average chain length C12 approximately 60 percent chlorine by weight) 8 p-Chloroaniline: 1 5 p-Chloroaniline hydrochloride

This file is licensed under the Creative Commons Attribution-Share Alike 4 0 International license : You are free: to share – to copy distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit provide a link to the license and indicate if changes were made You may do so in any reasonable manner but

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