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2,4-Dinitrophenylhydrazine (2,4-DNPH or DNPH) is the organic compound C 6 H 3 (NO 2) 2 NHNH 2. DNPH is a red to orange solid. It is a substituted hydrazine. The solid is relatively sensitive to shock and friction. For this reason DNPH is usually handled as a wet powder. DNPH is a precursor to the drug Sivifene.
Hydrazines (R 2 N−NR 2) are a class of chemical compounds with two nitrogen atoms linked via a covalent bond and which carry from one up to four alkyl or aryl substituents. . Hydrazines can be considered as derivatives of the inorganic hydrazine (H 2 N−NH 2), in which one or more hydrogen atoms have been replaced by hydrocarbon grou
The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...
The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is now being widely used for the classification and labelling of chemicals worldwide. One of the aims of introducing the GHS was to make it easier for users to identify chemical hazards in the workplace in a more consistent way.
Globally Harmonized System of Classification and Labelling of Chemicals (Fourth revised ed.), New York and Geneva: United Nations, 2011, ISBN 978-92-1-117042-9, ST/SG/AC.10/30/Rev.2 ("GHS Rev.4") Globally Harmonized System of Classification and Labelling of Chemicals (Second revised ed.),
The GHS transport pictograms are the same as those recommended in the UN Recommendations on the Transport of Dangerous Goods, widely implemented in national regulations such as the U.S. Federal Hazardous Materials Transportation Act (49 U.S.C. 5101–5128) and D.O.T. regulations at 49 C.F.R. 100–185.
2,4-Xylidine; 2,5-Xylidine; Yellow AB; ... List of classifications by cancer site Archived 2012-09-20 at the Wayback Machine (last updated on 5 November 2015)
Division 4.1: Flammable Solid . Flammable solids are any of the following four types of materials: Desensitized Explosives: explosives that, when dry, are Explosives of Class 1 other than those of compatibility group A, which are wetted with sufficient water, alcohol, or plasticizer to suppress explosive properties; and are specifically authorized by name either in the 49CFR 172.101 Table or ...