Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:7738-94-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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Cas:7738-94-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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Cas:7738-94-5
Min.Order:1 Metric Ton
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Type:Manufacturers
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Chromic acid CAS: 7738-94-5 Specification Product Name: Chromic acid Synonyms: Cromic acid;dihydroxy(diketo)chromium;CHROMIC ACID CAS: 7738-94-5 MF: H2CrO4 MW: 118.01 EINECS: 2
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Superior quality, moderate price & quick delivery. Appearance:dark red flake Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag,or as your request Application:Used as Pharmaceutical Intermediates Transpor
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis
Cas:7738-94-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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Cas:7738-94-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:7738-94-5
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryChromic acid CAS.7738-94-5 Application:Chromic acid CAS.7738-94-5
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:Powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary and sec
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Chromic acid CAS.7738-94-5Appearance:ask jude for details Storage:Dry and ventilated Package:in foil bag or customized Application:Pharmaceutical intermediates/Food additive Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small
Cas:7738-94-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry
Cas:7738-94-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryWe have strong R&D center which can support and provide custom synthesis accordingly such as fine chemicals,biotechnique , pharmaceuticals etc.We can provide free sample for our clients to test anf verify the quality of our goods.LongyuChem holds str
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Cas:7738-94-5
Min.Order:20 Metric Ton
FOB Price: $1.0
Type:Trading Company
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Cas:7738-94-5
Min.Order:1 Gram
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Type:Trading Company
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1. In the plating industry for chromium plating, passivation and pickling. 2. As wood preservative ingredient (only for industrial application). 3…Appearance:dark red granular solid or flakes Package:In iron drum of 50kg net Application:Chromeplate
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Prompt reaction, good quality and best service make us reliable and outstanding in this industry.Appearance:yellow to white solid or po
chromic acid
Conditions | Yield |
---|---|
With sodium plumbate In water soln. of sodium plumbate hydrolyzed at 70-80°C, washed and cooked with Cr2(SO4)3; | 93.4% |
With sodium hydroxide; oxygen; 1-anthraquinonesulfonic acid; pyrographite In not given Irradiation (UV/VIS); 0.5% antrachinon-α-sulfonic acid and 10% coal containing absorption catalyst, in O2 atm., daylight, quant. oxidn.; | >99 |
Conditions | Yield |
---|---|
at 5 - 35℃; for 0.416667 - 0.5h; |
chromic acid
Conditions | Yield |
---|---|
With sulfuric acid In water | |
With sulfuric acid In sulfuric acid | |
With H2SO4 In sulfuric acid aq. H2SO4; |
Conditions | Yield |
---|---|
In water oxide dissoln.; | |
With sulfuric acid |
chromic acid
Conditions | Yield |
---|---|
With AuO(OH) In water heating;; | |
With dipotassium peroxodisulfate In water in presence of AgNO3 in acidic soln.;; | |
With sodium chlorate In water prolonged boiling in presence of K3(Fe(CN)6);; |
Conditions | Yield |
---|---|
With air In neat (no solvent) Cr2O3 placed in quartz boat, vaporized in humid air at 1223 K (pH2O=0.1 bar); |
Conditions | Yield |
---|---|
In neat (no solvent) |
chromic acid
Conditions | Yield |
---|---|
With H2O In water hydrolysis;; |
chromic acid
Conditions | Yield |
---|---|
With sulfuric acid byproducts: O2; 100-120°C, formn. of O2 only at 120°C; | |
With concd. H2SO4 byproducts: O2; 100-120°C, formn. of O2 only at 120°C; |
A
chromic acid
B
chromate(VI) ion
C
hydrogen chromate(1-)
D
dichromate anion
Conditions | Yield |
---|---|
With H2O In water byproducts: H(1+); concd. soln.;; |
dichromic acid
chromic acid
Conditions | Yield |
---|---|
With water In water equil. react.;; | |
With H2O In water equil. react.;; | |
With H2O In water equil. react.;; |
Conditions | Yield |
---|---|
With sodium hydroxide In not given reaction by influence of O3-containing O2 on a chrome alum soln. with NaOH in exceed;; formation of a yellow green fluorescent soln., pptn. by influence of NH3 and oxidation to chromic acid in presence of Mn salt and NH3;; |
Conditions | Yield |
---|---|
In not given |
Conditions | Yield |
---|---|
In not given |
Conditions | Yield |
---|---|
In neat (no solvent) at 573-1173 K; elem. anal.; |
Conditions | Yield |
---|---|
In nitric acid | <1 |
In nitric acid | <1 |
Conditions | Yield |
---|---|
In water | |
In water |
chromic acid
Conditions | Yield |
---|---|
With water In water byproducts: FeO2; | |
With H2O In water byproducts: FeO2; |
Conditions | Yield |
---|---|
In water |
Conditions | Yield |
---|---|
In not given the influence of mixing gelatinous pptn. after boiling crystalline pptn., which soluble by cooling; evapn.; | |
In not given the influence of mixing gelatinous pptn. after boiling crystalline pptn., which soluble by cooling; evapn.; |
chromic acid
Conditions | Yield |
---|---|
With periodate ions In perchloric acid Kinetics; UV-VIS spectrometry; | |
With dihydrogen peroxide In water |
chromic acid
Conditions | Yield |
---|---|
With water In water byproducts: H2SO4; strongly exothermic dissoln. in H2O;; | |
With H2O In water byproducts: H2SO4; strongly exothermic dissoln. in H2O;; |
chromic acid
Conditions | Yield |
---|---|
With water In water byproducts: CH3CO2H; hydrolysis in water;; | |
With water In neat (no solvent) byproducts: CH3CO2H; hydrolysis in moist air;; | |
With H2O In neat (no solvent) byproducts: CH3CO2H; hydrolysis in moist air;; | |
With H2O In water byproducts: CH3CO2H; hydrolysis in water;; |
chromic acid
Conditions | Yield |
---|---|
With calcium hydroxide; oxalic acid In water boiling of PbCrO4 with lime milk; filtration; addn. of oxalic acid to filtrate; filtration of pptd. Ca oxalate;; | |
With lime milk; oxalic acid In water boiling of PbCrO4 with lime milk; filtration; addn. of oxalic acid to filtrate; filtration of pptd. Ca oxalate;; |
Conditions | Yield |
---|---|
With milk of lime In water boiling PbCrO4 with milk of lime, filtration, decompn. of CaCrO4, contained in the filtrate, by oxalic acid;; filtration from Ca-oxalate;; | |
With milk of lime In water boiling PbCrO4 with milk of lime, filtration, decompn. of CaCrO4, contained in the filtrate, by oxalic acid;; filtration from Ca-oxalate;; |
chromic acid
Conditions | Yield |
---|---|
In diethyl ether vac. distn. at -20 °C; decompn. on heating;; | |
In water byproducts: O2; decompn. in the presence of acetone only at 50 °C under color change;; |
chromic acid
Conditions | Yield |
---|---|
With water In water byproducts: Br2; evapn. of soln. on the water-bath;; | |
With H2O In water byproducts: Br2; evapn. of soln. on the water-bath;; |
chromic acid
Conditions | Yield |
---|---|
byproducts: HF; decompn. by acids;; | |
byproducts: HF; decompn. by acids;; |
Conditions | Yield |
---|---|
With H2O in moist air;; |
Conditions | Yield |
---|---|
In water at 0 - 60℃; for 0.5h; | 86.5% |
chromic acid
Conditions | Yield |
---|---|
70% |
chromic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide pH = 1.96 by added acid, excess of H2O2; | 57.5% |
With H2O2 pH = 1.96 by added acid, excess of H2O2; | 57.5% |
With dihydrogen peroxide pH = 2.2, excess of H2O2; | 28.5% |
Conditions | Yield |
---|---|
100 kg Cr2O3, 3-4 kg CrO3 and 34-35 kg Al powder, in presence of chromic acid increases the yield and accelerates the redn.; |
Conditions | Yield |
---|---|
In water crystn. from acidified aq. K2CrO4 satd. at elevated temp.;; |
Conditions | Yield |
---|---|
warming; |
Conditions | Yield |
---|---|
silver (I) ion In not given | |
silver (I) ion In not given |
Conditions | Yield |
---|---|
With sulfuric acid In water byproducts: H2O; Electrochem. Process; chromic acid reduced with nascent H developing on cathode so Cr2(SO4)3 formes, redn. of Cr(3+) on cathode, voltage > 3.4 V; | |
With H2SO4 In water byproducts: H2O; Electrochem. Process; chromic acid reduced with nascent H developing on cathode so Cr2(SO4)3 formes, redn. of Cr(3+) on cathode, voltage > 3.4 V; |
Conditions | Yield |
---|---|
In water reaction of 1 % soln. of chromic acid with clean Zn-stripes;; | |
In water |
Conditions | Yield |
---|---|
In not given addn. of KOH to H2CrO4 soln.;; | |
In not given addn. of KOH to H2CrO4 soln.;; |
Conditions | Yield |
---|---|
In not given Electrolysis; smaller yields than by use of a pure H2SO4 soln.;; |
sulfuric acid
chromic acid
A
hydrogen
B
oxygen
C
ozone
Conditions | Yield |
---|---|
In not given Electrolysis; higher yields by use of a H2SO4 containing chromic acid soln. than by use of a diluted H2SO4 soln.;; O3 concentration of 1 mg/10 l detonating gas;; | |
In not given Electrolysis; higher yields by use of a H2SO4 containing chromic acid soln. than by use of a diluted H2SO4 soln.;; O3 concentration of 1 mg/10 l detonating gas;; |
chromic acid
ozone
Conditions | Yield |
---|---|
In not given Electrolysis; reaction by use of a saturated soln. of chromic acid;; | |
In melt Electrolysis; reaction by use of molten chromic acid;; | 0% |
In not given Electrolysis; higher yields at decreasing temperatures;; |
chromic acid
Conditions | Yield |
---|---|
Electrolysis; | |
With H chromic acid is reacting to Cr2O3 on contact with Pd-sheet, satd. with H;; | |
With bromocyane; water In not given byproducts: CO2, NH3, Br2; 0.5-50 % H2CrO4 soln.; oxalic acid or NH4 oxalate intermediates stated in 0.25 % chromate soln.; |
Conditions | Yield |
---|---|
With potassium bromide In not given byproducts: Br2; heating of KBr soln. in aq. H2CrO4 soln.;; | |
With potassium iodide In not given react. even in coldness and in dild. solns.;; | |
With KBr In not given byproducts: Br2; heating of KBr soln. in aq. H2CrO4 soln.;; | |
With KI In not given react. even in coldness and in dild. solns.;; |
Conditions | Yield |
---|---|
With formic acid; sulfuric acid In sulfuric acid Electrochem. Process; electrodeposition (40 A/dm**2, 1 h, 25°C); X-ray diffraction; | |
With formic acid In sulfuric acid Electrochem. Process; electrodeposition (current density 40 A/dm**2, 20-50°C, 30 min); X-ray and electron diffraction, electron microscopy, differential thermal anal.; | |
With sulfuric acid In sulfuric acid Electrochem. Process; electrodeposition (40 A/dm**2, 1 h, 25°C); X-ray diffraction; |
chromic acid
Conditions | Yield |
---|---|
With potassium hydroxide In potassium hydroxide neutralisation of H2CrO4 soln. with KOH;; |
Conditions | Yield |
---|---|
In water 150-180 atm H2 pressure, 300°C, 2n H2CrO4 soln.; |
Conditions | Yield |
---|---|
In water addn. of K2CO3 (0.75 equiv.) to concd. soln. containg H3PO4 (1 equiv.), H2CrO4 and CrO3 (8 equiv.);; | |
In water addn. of K2CO3 (0.75 equiv.) to concd. soln. containg H3PO4 (1 equiv.), H2CrO4 and CrO3 (8 equiv.);; |
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