NH2ONH2+NaC1O+2NaOH→N2H4?H20+NaC1+Na2CO3氨法以氨水及次氯酸钠为原料。氨水中加入0.1%骨胶,以抑制肼的过度分解。将次氯酸钠按氨与次氯酸钠摩尔比值为(50～60):1,迅速加人氨水中,在强烈搅拌下在常压或高压下进行氧化反应,先生成氯胺,后继续反应生成肼。反应液经蒸馏回收氨,再经真空蒸馏除去氯化钠及氢氧化钠,...
水溶解性 :Soluble in chloroform, DMSO, methanol. Slightly soluble in water.Merck :14,4771BRN :878137暴露限值 :ACGIH: TWA 0.01 ppm (Skin)OSHA: TWA 1 ppm(1.3 mg/m3)NIOSH: IDLH 50 ppm; Ceiling 0.03 ppm(0.04 mg/m3)稳定性 :Stability Incompatible with a wide variety of materials, ...
Gathered here are those chemical properties which are not covered under the general headings of phase equilibria and crystal structure. The chemical properties of a feldspar can be considered from many viewpoints: thus a crystal chemist emphasizes the ch
Chemical name: (2S,3S)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pentan-3-ol Chemical Formula: C15H20ClN3O Molecular Weight: 293.7 Physical and Chemical Properties white crystalline solid, melting point is 165~166℃, relative density is 1.22, insoluble in water, soluble in...
UN#GuideName of MaterialISOH20 ReactTIH Gas(es) Current as of: Oct. 2, 2011 1365133Cotton, wetNoNo Related Resources USDOT Hazardous Materials Table 49 CFR 172.101 An online version of the USDOT's listing of hazardous materials from 49CFR 172.101. This table can be sorted by proper shippi...
Produced by the US DOT the ERG is designed to aid first responders in quickly identifying specific or generic hazards of materials involved in an incident and protecting themselves and the general public during the initial response phase of an incident. UN#GuideName of MaterialISOH20 ReactTIH Gas...
HPMC 200000 Cps Methyl Cellulose High Water Retention Construction Grade Chemical HPMC US$2.40-3.20 1 kg (MOQ) Product Details Customization: Available CAS No.: 9004-65-3 Formula: C12h20o10Contact Supplier Chat Still deciding? Get samples of US$ 0/kg ! R...
I don't even know what H20 is... :P Alice Andersson - Libertyville, Illinois USA publicly reply to Alice Andersson Being from the plating industry where we deal endlessly with ionization, hydrogen embrittlement, pH, hydrolysis, and the constant effect of water separating into H+ and OH -, ...
Hydroxypropyl Methyl Celluloseare types of non-ionic cellulose ether, which are a powder of white to off white color, that function as a thickener, binder, film-former, surfactant, protective colloid, lubricant, emulsifier and suspension and water retention aid...
watersolubility,etc.)Chemicalproperties:thepropertiesofasubstanceinachemicalchange(forexample,bustionsupporting,oxidation,reduction,pH,stability,etc.)Puresubstance:consistingofasubstanceMixture:consistingoftwoormorethantwopuresubstances,eachsubstanceretainsitsoriginalnatureElements:aclassofatomswiththesamenumberofnuclear...