As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:2338-05-8
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Type:Manufacturers
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:2338-05-8
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Type:Trading Company
inquiryOur Advantage: High quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
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Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:2338-05-8
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inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:2338-05-8
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:2338-05-8
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FOB Price: $18.0 / 23.0
Type:Trading Company
inquiryQingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, steroids, pharmaceutical
Cas:2338-05-8
Min.Order:10 Gram
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:2338-05-8
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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryAppearance:yellow powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Air/Couri
Cas:2338-05-8
Min.Order:100 Metric Ton
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inquiryZibo 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:2338-05-8
Min.Order:10 Gram
FOB Price: $100.0
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:2338-05-8
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
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,
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:2338-05-8
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inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:2338-05-8
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2338-05-8
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inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
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inquiryISO/factory/goodqualityAppearance:White to yellow Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: citric acid With sodium hydroxide In water for 0.5h; Stage #2: With iron(III) chloride hexahydrate In water at 50 - 55℃; for 1h; | 85% |
Conditions | Yield |
---|---|
In water at 75 - 80℃; for 4h; | 83.8% |
Conditions | Yield |
---|---|
With iron(III) chloride hexahydrate In water at 80 - 90℃; for 1h; | 78% |
Conditions | Yield |
---|---|
In water for 4h; Product distribution / selectivity; | 54% |
for 4h; Product distribution / selectivity; |
Conditions | Yield |
---|---|
In ethanol; water for 1h; Product distribution / selectivity; | |
Stage #1: iron(III) chloride With sodium carbonate In water at 20℃; for 1h; Large scale; Stage #2: In water at 40 - 60℃; Large scale; Stage #3: citric acid In water at 60 - 100℃; for 1h; Large scale; | 15.88 kg |
Conditions | Yield |
---|---|
at 80 - 90℃; | |
at 30 - 90℃; pH=0.8 - 1.5; |
Conditions | Yield |
---|---|
In water mixed molar ratio ligand/Fe(3+) of slightly more than 1; |
Conditions | Yield |
---|---|
Stage #1: iron(III) chloride hexahydrate With sodium hydroxide In water at 25 - 30℃; Large scale; Stage #2: citric acid In water at 80 - 85℃; Large scale; | 1.25 kg |
Stage #1: iron(III) chloride hexahydrate With sodium carbonate In water at 25 - 30℃; for 1.5h; pH=8 - 8.5; Stage #2: citric acid In water at 25 - 120℃; Reagent/catalyst; Temperature; pH-value; | |
Stage #1: iron(III) chloride hexahydrate With sodium hydroxide In water at 0 - 10℃; for 4h; Stage #2: citric acid In water at 20 - 85℃; for 2.5h; |
Conditions | Yield |
---|---|
In water at 80℃; |
Conditions | Yield |
---|---|
In water at 65℃; for 1h; | 1.32 g |
Conditions | Yield |
---|---|
In water; ethylene glycol High Pressure; at 180°C for 2 d at constant pressure in a bomb, Fe:HF:H2O:piperazine sulfate:ethylene glycol=1:8:50:4:50 molar ratio; elem. anal.; | 50% |
sulfuric acid
hydrogen fluoride
ferric citrate
sodium sulfate
Conditions | Yield |
---|---|
In water; butan-1-ol at 150℃; for 120h; | 45% |
1,4-diaza-bicyclo[2.2.2]octane
sulfuric acid
hydrogen fluoride
water
ferric citrate
Conditions | Yield |
---|---|
In water; butan-1-ol High Pressure; at 180°C for 2 d at constant pressure in a bomb, Fe:H2SO4:HF:H2O:DABCO:n-butanol=1:4:4:50:6:30 molar ratio; elem. anal.; | 40% |
sulfuric acid
hydrogen fluoride
water
ferric citrate
1,5-diamino-3-azapentane
Conditions | Yield |
---|---|
In ethanol; water High Pressure; mixt. iron(III) citrate, H2SO4, HF, diethylenetriamine, EtOH and water (pH 4) was stirred for 2 h and heated in PTFE-lined acid-digestion bomb at 180°C for 4 days; react. mixt. was cooled to room temp., ppt. was filtered and washed withwater and EtOH; | 30% |
Conditions | Yield |
---|---|
In ethanol; water for 0.25h; |
mer-tris(3-hydroxy-2-methyl-4H-pyran-4-onato)iron(III)
ferric citrate
citric acid
Conditions | Yield |
---|---|
In water Heating / reflux; |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; pH=11.6; Product distribution / selectivity; |
ferric citrate
Conditions | Yield |
---|---|
In water spray pyrolysis of an aq. ferric citrate soln. on a heated glass substrate; |
ferric citrate
Conditions | Yield |
---|---|
ferric citrate decomp. in air at 773 K; | |
In neat (no solvent, solid phase) decompose (air), at 723 K for 3 h; XRD; |
Conditions | Yield |
---|---|
With citric acid In water byproducts: CO2; stoich. amt. of SrCO3 and ferric citrate dissolved in citric acid aq. soln. at 80°C; soln. slowly evapd.; residue heated at 200°C for 20 h; calcined at 1000°C for 1 h; |
Conditions | Yield |
---|---|
In water excess citric acid; refluxed for 6 h; dried at 120°C; heated at 400°C for 24 h in 95%N2/5%O2, then 24 h at 400°C in air, then 1t 400 - 900°C for 4 h or heated in air for 24 h at 400°C, then for 4 h at 500-700°C; |
Conditions | Yield |
---|---|
With ethylene glycol; citric acid In nitric acid mixing of iron citrate soln. with soln. of Bi2O3 in dilute HNO3, addn. of soln. of citric acid and ethylene glycol, stirring at 70-80°C for 6 h, coating on SrTiO3 or LaAlO3 through fast spinning, drying, firing at 780°C in air for 1-12 h; |
Conditions | Yield |
---|---|
With citric acid; ethylene glycol In water; nitric acid La2O3, Fe citrate dissolved (HNO3); citric acid in H2O added; mixt. stirred at 60°C for 1 h; ethylene glycol added; stirred at 80°C; gel dried at 150°c for at least 20 h; heat treated at 400-600°C for 3 h; XRD; |
Conditions | Yield |
---|---|
In water Fe citrate soln. was added to Ba citrate soln.; heated to dryness at 40°C; glassy brown citrate mixture was heated at temp. between 300 and 800°C; calcined at 600°C for 3 h; pressed into pellets; sintered (800 - 1300°C); | |
In water mixing of soln. of barium and iron(III) citrates in Ba(2+):Fe(3+)=1:12; ultrazonic spraying at 900°C; firing at 580°C; |
ferric citrate
Conditions | Yield |
---|---|
With ammonium hydroxide; citric acid In water mixed soln. of educts (citric acid, deionized H2O, 14.8N NH4OH), sprayed by a ultrasonic probe into a 10fold vol. of EtOH, washed (EtOH), filtered, vac. dried at 40-50°C, calcined at 300°C(open vessel, air), 5h, at 900°C(closed), 4h; |
ferric citrate
Conditions | Yield |
---|---|
With ammonium hydroxide; citric acid In water mixed soln. of educts (citric acid, deionized H2O, 4.8N NH4OH) sprayed by a ultrasonic probe into a 10fold vol. of EtOH, washed(EtOH), filtered, vac. dried at 40-50°C, calcined at 300°C (open vessel, air), 5h, at 900°C (closed), 4h; |
ferric citrate
Conditions | Yield |
---|---|
With ammonium hydroxide; formic acid In formic acid; water mixed soln. of educts (formic acid, deionized H2O, 14.8N NH4OH) sprayed by a ultrasonic probe into a 10fold vol. of EtOH, washed(EtOH), filtered, vac. dried at 40-50°C, calcined at 300°C (open vessel, air), 5h, at 900°C (closed), 4h; |
ferric citrate
Conditions | Yield |
---|---|
With ammonium hydroxide; citric acid In water mixed soln. of educts (citric acid, deionized H2O, 14.8N NH4OH) sprayed by a ultrasonic probe into a 10fold vol. of EtOH, washed(EtOH), filtered, vac. dried at 40-50°C, calcined at 300°C (open vessel, air), 5h, at 900°C (closed), 4h; |
ferric citrate
Conditions | Yield |
---|---|
With ammonium hydroxide; formic acid In formic acid; water mixed soln. of educts (formic acid, deionized H2O, 14.8N NH4OH) sprayed by a ultrasonic probe into a 10fold vol. of EtOH, washed(EtOH), filtered, vac. dried at 40-50°C, calcined at 300°C(open vessel, air), 5h, at 900°C (closed), 4h; |
cobalt(II) acetate
barium(II) acetate
ferric citrate
citric acid
Conditions | Yield |
---|---|
With aq. ammonia; air In water sol-gel method; Fe salt dissolved in aq. citric acid at 70°C; mixed with stoich. amt. of Ba and Co acetates; NH3 soln. added (pH 6-8); sol dried at 135°C for 6 h; decompd. (600°C, 4 h); heat treated at 1200°C for 6 h in air; satisfactory elem. anal.; |
manganese(II) citrate
ferric citrate
Conditions | Yield |
---|---|
In water aq. soln. of manganese citrate and ferric citrate (Fe:Mn=2:1) mixed, pH=3, heated under reflux at 363 K for 10 h, evapd., citrate precursor decompd. in N2 atmosphere at different time duration and temp.; |
Conditions | Yield |
---|---|
In neat (no solvent) sintered at 1100°C for 2 h; |
Conditions | Yield |
---|---|
In neat (no solvent) lead citrate formed from lead nitrate and citric acid, mixed with ferriccitrate, pH of soln. 2.6, refluxed at 100 °C 12 h, dehydrated fr om ethanol (1:10 ratio) to obtain the citrate precursor; thermal decompn. in air between 773-1073 K; chemical analysis; |
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