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PERCHLORIC ACID

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Products Intro: Product Name:Perchloric acid
CAS:7601-90-3
Purity:70% Package:500g;1kg;5kg;10kg;100kg;1000kg... Remarks:Brand:Zjartschem | Cat.No.:ZCF10883
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Products Intro: Product Name:PERCHLORIC ACID
CAS:7601-90-3
Purity:99% Package:100g,500g,1kg,5kg,10kg
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Products Intro: CAS:7601-90-3
Purity:99% Package:500G;1KG;5KG;25KG
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Products Intro: Product Name:PERCHLORIC ACID
CAS:7601-90-3
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Products Intro: Product Name:HCLO4
CAS:7601-90-3
Purity:98+% Package:25g;50g;100g;500g;1kg;10kg;50kg
PERCHLORIC ACID Basic information
Description References
Product Name:PERCHLORIC ACID
Synonyms:PROTEIN MW MARK. MIDLOW RANGE;0.1mol/l-Perchloric Acid-Acetic Acid Solution;Perchloric acid, Puriss. p.a., ACS Reagent, 70% (Hg ?0.0000005%), packed in coated, shock- and leak-protected glass bottle;Perchloric acid solution, Volumetric, 0.01 M HClO4 in acetic acid (0.01N), for titration in non-aqueous liquids;Perchloric acid, ca. 70% Solution in Water;Perchloric acid, p.a.;Perchloric Acid Solution, N/10 (0.1N);Perchloric Acid, Normality about 12
CAS:7601-90-3
MF:ClHO4
MW:100.46
EINECS:231-512-4
Product Categories:Inorganics;Reference Material Potassium hydrogenphthalateTitration;Solutions for non-aqueous titrations;AcidsSynthetic Reagents;Electronic Chemicals;Micro/Nanoelectronics;Acid SolutionsSynthetic Reagents;Oxidation;Perchlorates;Volumetric Solutions;Acids, Mercury-free and Arsenic-freeAnalytical Reagents for General Use;Atomic Absorption Spectroscopy (AAS);Digestion Reagents;Acids&Bases;ACS GradeSynthetic Reagents;Essential Chemicals;Analytical Reagents for General Use;O-P, Puriss p.a.;Puriss p.a.;O-P, Puriss p.a. ACS;Puriss p.a. ACS;Acid Concentrates;Concentrates (e.g. FIXANAL);Titration;Analytical Reagents;Pure Reagents for Wet Digestion (Trace SELECT)Analytical/Chromatography;Trace Analysis ReagentsEssential Chemicals;TraceSelect;Synthetic Reagents;Ultrapure Reagents for Wet Digestion (Trace SELECTUltra);Chromatography/CE Reagents;Eluent concentrates for ICAlphabetic;Ion Chromatography;P;PER - POLA;PerchloratesVolumetric Solutions;By Reference Material
Mol File:7601-90-3.mol
PERCHLORIC ACID Structure
PERCHLORIC ACID Chemical Properties
Melting point -18 °C
Boiling point 203 °C
density 1.664 g/mL at 25 °C
vapor density ~2.1 (vs air)
vapor pressure 6.8 mm Hg ( 25 °C)
refractive index 1.419
Fp 104 °F
storage temp. Flammables area
form Solution
color APHA: ≤10
OdorOdorless
PH0.1 (H2O, 20°C)
Water Solubility Miscible with water.
Merck 14,7153
Stability:Stable. Avoid heat. May form explosive peroxides. Incompatible with a wide variety of substances, including organic materials, alcohols, amines, strong acids, strong bases, acid anhydrides, finely powdered metals, strong reducing agents. Contact with wood, paper and other celullose products may lead to explosion, as may contact with a vari
InChIKeyVLTRZXGMWDSKGL-UHFFFAOYSA-N
CAS DataBase Reference7601-90-3(CAS DataBase Reference)
NIST Chemistry ReferencePerchloric acid(7601-90-3)
EPA Substance Registry SystemPerchloric acid(7601-90-3)
Safety Information
Hazard Codes C,O,Xi
Risk Statements 5-8-35-10-34-36/38
Safety Statements 23-26-36-45-36/37/39
RIDADR UN 2920 8/PG 2
WGK Germany 1
RTECS SC7500000
3
Autoignition Temperature485 °C
TSCA Yes
HS Code 3822 00 00
HazardClass 8
PackingGroup II
Hazardous Substances Data7601-90-3(Hazardous Substances Data)
ToxicityLD50 oral (rat) 1100 mg/kg
LD50 oral (dog) 400 mg/kg
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
PERCHLORIC ACID Usage And Synthesis
DescriptionPerchloric acid (chemical formula: HClO4) is a kind of mineral acid which is highly corrosive to metals and tissues. It is even stronger than sulfuric and nitric acid. It is useful in the manufacture of perchlorate salts such as ammonium perchlorate, which is an important rocket fuel component. It also has many applications in etching of liquid crystal displays and chrome, critical electronics applications, ore extraction and analytic chemistry. As a strong acid, it is useful eluent in ion-exchange chromatography due to its stability against hydrolysis. It can also be used for electropolishing/etching of aluminum, molybdenum, and other metals. In industry, it can be produced by two routes: (1) treatment of sodium perchlorate with hydrochloric acid; (2) anodic oxidation of aqueous chlorine at a platinum electrode. 
Referenceshttps://pubchem.ncbi.nlm.nih.gov/compound/perchloric_acid#section=Top
https://en.wikipedia.org/wiki/Perchloric_acid
Chemical PropertiesPerchloric acid, HCIO4, also known as Fraude's reagent,is a colorless, fuming,hygroscopic liquid that boils at 16°C(61OF). It is a strong oxidizer and is soluble in water. Cold dilute perchloric acid reacts with metals such as zinc and iron to yield hydrogen gas and the metallic perchlorate. Perchloric acid is used in electrolytic baths, electropolishing, explosives, analytical chemistry, and medicine.
UsesThe acid in analytical chemistry as an oxidizer and for separation of potassium from sodium. Its salts for explosives and for plating of metals.
General DescriptionA clear colorless odorless aqueous solution. Corrosive to metals and tissue. Closed containers may rupture violently under prolonged exposure to heat.
Air & Water ReactionsWater soluble with heat generation.
Reactivity ProfilePERCHLORIC ACID is a solution of a strong oxidizing acid. May react vigorously or deflagrate when mixed with oxidizable material [Merck]. This includes (but is not limited to) alcohols, amines, boranes, dicyanogen, hydrazines, hydrocarbons, hydrogen, nitroalkanes, powdered metals, silanes, or thiols [Bretherick 1979. p.174]. Perchloric acid ignites on contact with sulfinyl chloride. (Bailar, 1973, Vol. 2, 1442).
Health HazardInhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution.
Health HazardPerchloric acid is a highly corrosive substance that causes severe burns on contact with the eyes, skin, and mucous membranes. The acute toxicity of perchloric acid is moderate. This substance is a severe irritant to the eyes, mucous membranes, and upper respiratory tract. Perchlorates are irritants to the body wherever they contact it. Perchloric acid has not been shown to be carcinogenic or to show reproductive or developmental toxicity in humans
Fire HazardThese substances will accelerate burning when involved in a fire. Some may decompose explosively when heated or involved in a fire. May explode from heat or contamination. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.
Fire HazardPerchloric acid is noncombustible. The anhydrous (dehydrated) acid presents a serious explosion hazard. It is unstable and can decompose explosively at ordinary temperatures or in contact with many organic compounds.
Many heavy metal perchlorates and organic perchlorate salts are extremely sensitive explosives; the ammonium, alkali metal, and alkali earth perchlorates are somewhat less hazardous. Mixtures of perchlorates with many oxidizable substances are explosive.
Safety ProfilePoison by ingestion and subcutaneous routes. A severe irritant to the eyes, skin, and mucous membranes. A powerful oxidlzer. A severe explosion hazard; the anhydrous form can explode spontaneously. Potentially explosive reaction with acetic anhydride + acetic acid + organic materials, acetic anhydride + organic materials + transition metals (e.g., chromium, iron, nickel), acetonitrile, alcohols, azo dyes + orthoperiodic acid, bis (2-hydroxyethyl) terephthalate + ethanol + ethylene glycol, bismuth (above 1 10°C), antimony (above llO°C), carbon, charcoal + chromium trioxide + heat, cellulose and derivatives + heat, combustible materials, dehydrating agents, dichloromethane + dimethylsulfoxide, dethyl ether, dimethyl ether, dloxane + nitric acid + heat, fecal material + nitric acid, graphitic carbon + nitric acid, hydrofluoric acid + structural materials, ironQI) sulfate, nitric acid + organic matter + heat, nitric acid + pyridme + sulfuric acid, nitrogenous epoxides, organic materials + sodmm hydrogen carbonate (above 2OO0C), phenyl acetylene (at -78OC), sodmm phosphinate + heat, sulfuric acid + organic materials, sulfur trioxide. Reacts to form explosive products with anline + formaldehyde, ethylbenzene + thallium triacetate (at 65℃), fluorine (forms fluorine perchlorate), glycerol + lead oxide, hydrogen + heat, hydrogen halides, phosphine, pyridme, sulfoxides. Violent reaction or igmtion with acetic acid, acetic acid + acetic anhydride, acetic anhydride, acetic anhydride + carbon tetrachloride + 2-methyl cyclohexanone, antimony compounds, azo pigments, bis1,2-diaminopropane-cis-dichlorochromium(ⅡI) perchlorate, carbon, 1,3-bis(di-ncyclopentadtenyl iron) -2-propen1 -one, CH3OH, CC4, copper dichromium tetraoxide (at 120℃), DNA, dibutyl sulfoxide, dunethyl sulfoxide, ethylbenzene, glycol ethers, glycols, HNO3, HCl, H2SO4, hypophosphttes, iron sulfate, iodides, ketones, PbO + glycerin, methanol + triglycerides, 2-methylpropene + metal oxides, 2-methyl cyclohexanone, NI3, nitrogenous epoxides, nitrosophenol, operiodlc acid, oleic acid, organophosphorus compounds, paper, PzOj + CHCl3, PzOj, PzZns, sodium iodde + hydroiodic acid, solum phosphtnate, steel, sulfinyl chloride, so3, trichloroethylene, vegetable matter, wood, zinc phosphide. When heated to decomposition it emits toxic fumes of Cl-. See also PERCHLORATES.
storageSplash goggles and rubber gloves should be worn when handling perchloric acid, and containers of the acid should be stored in a well-ventilated location separated from organic substances and other combustible materials. Work with >85% perchloric acid requires special precautions and should be carried out only by specially trained personnel.
Purification MethodsThe 72% acid is been purified by double distillation from silver oxide under vacuum: this frees the acid from metal contamination. Distillation at atmospheric pressure is dangerous and explosive. The anhydrous acid is obtained by adding gradually 400-500mL of oleum (20% fuming H2SO4) to 100-120mL of 72% HClO4 in a reaction flask cooled in an ice-bath. The pressure is reduced to 1mm (or less), with the reaction mixture at 20-25o. The temperature is gradually raised during 2hours to 85o; the distillate is collected in a receiver cooled in Dry-ice. For further details of the distillation apparatus see Smith [J Am Chem Soc 75 184 1953]. It is HIGHLY EXPLOSIVE; a strong protective screen should be used at all times. [Schmeisser in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 318-320 1963.]
IncompatibilitiesCold 70% perchloric acid is a strong acid but is not considered to be a strong oxidizing agent; however, more concentrated solutions are good oxidizers. Temperature increases the oxidizing power of perchloric acid, and hot concentrated solutions are very dangerous. Evaporation of a spill of the 70% solution may lead to the formation of more dangerous concentrations. Reaction of 70% perchloric acid with cellulose materials such as wood, paper, and cotton can produce fires and explosions. Oxidizable organic compounds including alcohols, ketones, aldehydes, ethers, and dialkyl sulfoxides can react violently with concentrated perchloric acid. All perchlorates are potentially hazardous when in contact with reducing agents.
Flammability and ExplosibilityPerchloric acid is noncombustible. The anhydrous (dehydrated) acid presents a serious explosion hazard. It is unstable and can decompose explosively at ordinary temperatures or in contact with many organic compounds.
Many heavy metal perchlorates and organic perchlorate salts are extremely sensitive explosives; the ammonium, alkali metal, and alkali earth perchlorates are somewhat less hazardous. Mixtures of perchlorates with many oxidizable substances are explosive.
Waste DisposalExcess perchloric acid and waste material containing this substance should be placed in an appropriate container, clearly labeled, and handled according to your institution's waste disposal guidelines.
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