Lonwin Industry group limited as a professional manufactor & exporter of chemical materials ,we totally haver more than 270 stuffs, we have been on this line for more than 9 years. Our chemical materials are exported to lot of countries
Cas:523-21-7
Min.Order:0 Metric Ton
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Type:Other
inquiryDayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:523-21-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryItems Standard Result Appearance Purple or brown crystal Complies Sensitivi
Cas:523-21-7
Min.Order:1 Kilogram
FOB Price: $140.0 / 180.0
Type:Manufacturers
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:523-21-7
Min.Order:0 Metric Ton
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Type:Manufacturers
inquirySuperiority kono is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in
Cas:523-21-7
Min.Order:1 Kilogram
FOB Price: $300.0 / 500.0
Type:Other
inquiryUnique advantages of Sodium rhodizonate Cas 523-21-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Dark green powder Storage:cool dry place Package:1kg/foil bag;25kg/drum A
Cas:523-21-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct description: Product name Sodium rhodizonate CAS number 523-21-7 Assay ≥99% Appearance Brown powder Capacity 200mt/year Application Sensitive reagent for the determin
Cas:523-21-7
Min.Order:10 Gram
FOB Price: $12.0
Type:Lab/Research institutions
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
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:523-21-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryAbout Product Details
Cas:523-21-7
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:523-21-7
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:523-21-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:523-21-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySynonyms: DISODIUM RHODIZONATE;5,6-DIHYDROXY-5-CYCLOHEXENE-1,2,3,4-TETRONE DISODIUM SALT;3,4,5,6-TETRAOXOCYCLOHEXENE-1,2-DIOL DISODIUM SALT;1,2-DIHYDROXY-3,4,5,6-TETRAOXO-1-CYCLOHEXENE DISODIUM SALT;RHODIZONIC ACID, DISODIUM DERIVATIVE;RHODIZONIC A
Cas:523-21-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySodium rhodizonate CAS: 523-21-7 Qingdao 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 interme
Cas:523-21-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:523-21-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:523-21-7
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:523-21-7
Min.Order:1 Kilogram
FOB Price: $150.0 / 200.0
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
Cas:523-21-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical,
Cas:523-21-7
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
Cas:523-21-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater
Cas:523-21-7
Min.Order:0 Metric Ton
FOB Price: $18.0 / 20.0
Type:Lab/Research institutions
inquiryProduct name: Rhodizonic acid disodium salt CAS No: 523-21-7 Molecular Formula: C6H6Na2 Molecular weight:214.04 Barium sensitivity test: qualifie… Superiority 1.Powerful R & D team 2.The ability of quantized product
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:523-21-7
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySupply compectitive price 523-21-7 Sodium rhodizonate in China Molecular Formula C6Na2O6 Molar Mass 214.04 Melting Point 300 °C Water Solubility Soluble in water. Appearance Fine Crysta
Cas:523-21-7
Min.Order:1 Gram
Negotiable
Type:Other
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:523-21-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:523-21-7
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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:523-21-7
Min.Order:10 Gram
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Type:Lab/Research institutions
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:523-21-7
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:523-21-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryammonia
sodium
A
ammonium glycolate
C
glycolamide
D
sodium glycolate
E
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
With carbon monoxide; ammonium chloride In ammonia adding NH4Cl before evapn. of NH3; |
Conditions | Yield |
---|---|
In water for 12h; |
Conditions | Yield |
---|---|
In acetonitrile at 25℃; for 13.5h; | 85% |
Conditions | Yield |
---|---|
In water under N2, Fe salt added to aq. soln. of Na salt of rhodizonic acid (molar ratio 1:1), refluxed for 1 h at 50°C; filtered, washed with water and EtOH, air dried at room temp. over P2O5; elem. anal.; | 84% |
sodium rhodizonate dibasic
2,2'-Bipyrimidine
Conditions | Yield |
---|---|
In water soln. of Na2C6O6 added to soln. of MnCl2*4H2O and 2,2'-bipyrimidine (1:1:1 mol) at pH=4.4 at room temp.; crystd. after several d; elem. anal.; | 34% |
sodium rhodizonate dibasic
2,2'-Bipyrimidine
Conditions | Yield |
---|---|
In water soln. of Na2C6O6 added to soln. of Cd(NO3)2*4H2O and 2,2'-bipyrimidine (1:1:1 mol) at pH=4.4 at room temp.; crystd. after several d; elem. anal.; | 23% |
Conditions | Yield |
---|---|
In water under N2, Fe salt added to aq. soln. of Na salt of rhodizonic acid (molar ratio 1:1), refluxed for 1 h at 50°C; | 17.5% |
Paraquat
sodium rhodizonate dibasic
methyl viologen cation radical
Conditions | Yield |
---|---|
In water Irradiation; |
Conditions | Yield |
---|---|
In water Mechanism; Irradiation; pH = 10.9; |
Conditions | Yield |
---|---|
With oxygen In water Rate constant; Quantum yield; Irradiation; various pH; |
sodium rhodizonate dibasic
dipotassium croconate
Conditions | Yield |
---|---|
With oxygen In water |
sodium rhodizonate dibasic
Croconic acid dianion
Conditions | Yield |
---|---|
In water at 25℃; Irradiation; |
sodium rhodizonate dibasic
A
Croconic acid dianion
Conditions | Yield |
---|---|
In water at 24.9 - 39.9℃; Kinetics; pH 11; |
sodium rhodizonate dibasic
A
Croconic acid dianion
Conditions | Yield |
---|---|
In water at 24.9℃; Quantum yield; Mechanism; Irradiation; |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
Stage #1: sodium rhodizonate dibasic With manganese(IV) oxide; potassium carbonate In water for 1h; Heating / reflux; Stage #2: With hydrogenchloride In water pH=6 - 7; Stage #3: With barium(II) chloride In water |
Conditions | Yield |
---|---|
With alkali In not given | |
With alkali In not given |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
With KSCN; H2SO4 In water dissolved NaVO3 and As2O3 in H2O; heated to 80°C; treated with Na2C6O6 and after 10 min with KSCN; added dropwise H2SO4 (pH=4.4); heated to 80°C for 16 h; cooled down to room temp.; stored at ambient temp. for 36 h; filtered; evapd. at room temp.; elem. anal.; |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
In water; acetonitrile aq. soln. of rhodizonate added to soln. of complex in CH3CN; slow evapn. in the dark, recrystd. (H2O); low yield; |
Conditions | Yield |
---|---|
In water |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
at 400℃; for 2h; Inert atmosphere; | |
Stage #1: sodium rhodizonate dibasic for 0.5h; Inert atmosphere; Milling; Stage #2: With naphthalene; sodium In tetrahydrofuran at 80℃; for 3h; Inert atmosphere; |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
Stage #1: sodium rhodizonate dibasic for 0.5h; Inert atmosphere; Milling; Stage #2: With naphthalene; sodium In tetrahydrofuran at 80℃; for 3h; Inert atmosphere; |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
Stage #1: sodium rhodizonate dibasic for 1h; Milling; Stage #2: In ethanol; water Sonication; |
Conditions | Yield |
---|---|
at 100℃; |
Conditions | Yield |
---|---|
In methanol |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: acetic acid / water / 6 h / Schlenk technique; Inert atmosphere; Reflux 1.2: 0.5 h / 80 °C / Schlenk technique; Inert atmosphere 2.1: ethanol / 8 h / Schlenk technique; Inert atmosphere; Reflux View Scheme |
sodium rhodizonate dibasic
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: acetic acid / water / 6 h / Schlenk technique; Inert atmosphere; Reflux 1.2: 0.5 h / 80 °C / Schlenk technique; Inert atmosphere 2.1: ethanol / 8 h / Schlenk technique; Inert atmosphere; Reflux 3.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate; tetrabutylammomium bromide / toluene; water / 8 h / 100 °C / Schlenk technique; Inert atmosphere View Scheme |
sodium rhodizonate dibasic
1,2-diamino-benzene
quinoxalino[2,3-a]phenazine-6,7-diol
Conditions | Yield |
---|---|
Stage #1: sodium rhodizonate dibasic; 1,2-diamino-benzene With acetic acid In water for 6h; Schlenk technique; Inert atmosphere; Reflux; Stage #2: With nitric acid at 80℃; for 0.5h; Schlenk technique; Inert atmosphere; |
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