WebHazardous Component(s) CAS Number Percentage* Quartz (SiO2), <1% respirable 14808-60-7 40 - 50 Poly[oxy(methyl-1,2-ethandiyl)], .alpha.,.alpha.',.alpha.''-1,2,3- … WebCAS No.552 -30 7 528-44-9 Chemical Name Trimellitic Anhydride (TMA) Trimellitic Acid (TMLA) Structural Formula OH O O O O O O H O H HO O SUMMARY CONCLUSIONS OF THE SIAR Category/Analogue Rationale Trimellitic anhydride (TMA) and trimellitic acid (TMLA) are considered to be structural analogues.

Phthalic anhydride - Wikipedia

WebProduct name : Phthalic Anhydride CAS-No. : 85-44-9 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, … Web18 nov. 2015 · Product Name Hexahydrophthalic Anhydride CAS Number 85-42-7 Parchem - fine & specialty chemicals 415 Huguenot Street New Rochelle, NY 10801 … cheer face mask

Safety Data Sheet according to (EC) No 1907/2006

WebCAS # 85-42-7 EINECS # - GROUPS / USES. Adhesives & Sealants, Industrial Chemicals, Coatings, Paints. Synonyms. HHPA; 1,2-Cyclohexanedicarboxylic anhydride. Formula. … WebCAS 85-43-8, pH 2.1 (10 g/l, H₂O, 20 °C). 1,2,3,6-Tetrahydrophthalic anhydride MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other … Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O. Commonly abbreviated Ac2O, it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis. It is a colorless liquid that smells strongly of acetic acid, which is formed by … Meer weergeven Acetic anhydride, like most acid anhydrides, is a flexible molecule with a nonplanar structure. The pi system linkage through the central oxygen offers very weak resonance stabilization compared to the Meer weergeven Acetic anhydride was first synthesized in 1852 by the French chemist Charles Frédéric Gerhardt (1816-1856) by heating potassium acetate Meer weergeven As indicated by its organic chemistry, acetic anhydride is mainly used for acetylations leading to commercially significant … Meer weergeven Acetic anhydride is an irritant and combustible liquid; it is highly corrosive to skin and any direct contact will result in severe burns. Because of its reactivity toward … Meer weergeven Acetic anhydride is a versatile reagent for acetylations, the introduction of acetyl groups to organic substrates. In these conversions, acetic anhydride is viewed as a source of … Meer weergeven Because of its use for the synthesis of heroin by the diacetylation of morphine, acetic anhydride is listed as a U.S. DEA List II precursor, and restricted in many other countries. Meer weergeven • ICSC 0209 • NIOSH Pocket Guide to Chemical Hazards Meer weergeven cheer fabric