Dayangchem'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:503-40-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:503-40-2
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryMethanedisulfonic Acid [Chemical Name]: Methanedisulfonic Acid [CAS No.]: 503-40-2 [Structure Formula]: [Molecular Formula]: CH4O6S2
Cas:503-40-2
Min.Order:1 Kilogram
FOB Price: $2.0 / 3.0
Type:Manufacturers
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
About Product Details Item Specification Test Results Appearance White crystalline powder Conform
Cas:503-40-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 5.0
Type:Lab/Research institutions
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:503-40-2
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryName: Methanedisulfonic Acid CAS:503-40-2 MF: CH4O6S2 Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25KG Application:Syntheses Material Intermediates Transportation:By sea or by air Port:Qingdao Port
Cas:503-40-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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:503-40-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:503-40-2
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:503-40-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryMethanedisulphonic acid Chemical Properties Melting point 96-100° density 1.6517 (rough estimate) refractive index 1.5300 (estimate) pka -0.71±0.50(Predicted) Water Solubility 2458g/L(25 ºC) EPA Substance Registry S
Cas:503-40-2
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryMethanedisulphonic acid CAS:503-40-2 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 in
Cas:503-40-2
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:503-40-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryLocated in Wuhan City of Hubei Province, Wuhan Rison Trading co., Ltd is engaged in the supply of fine specialty chemicals. Our business includes metal surface treatment, such as nickel/zinc/copper plating, perfluoro chemicals, tin salts (stannous su
Cas:503-40-2
Min.Order:3000 Kilogram
Negotiable
Type:Other
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:503-40-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:503-40-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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:503-40-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation:as per your
Established 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
Cas:503-40-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
GMP 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,
Hangzhou Fandachem Co.,Ltd, a China-based chemical company, specialize in exporting Methanedisulfonic Acid, CAS NO: 503-40-2 Please contact us by email freely. We are leading exporter in China. If you really need this cargo, plea
Cas:503-40-2
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:503-40-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: dichloromethane With calcium sulfite In water at 180℃; for 10h; Autoclave; Stage #2: calcium methanedisulfonate With sulfuric acid In water at 80℃; for 2h; Reagent/catalyst; Temperature; | 89% |
Conditions | Yield |
---|---|
Stage #1: 1,2-dibromomethane With potassium sulfite; tetrabutylammomium bromide; potassium iodide In water at 80 - 90℃; for 88h; Stage #2: With hydrogenchloride In water at 90℃; for 2h; Stage #3: With barium(II) chloride In water at 20 - 90℃; for 2h; | 84.7% |
methylene trithiocarbonate
methanedisulfonic acid
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide bis zum Entweichen von schwefliger Saeure; | |
With sulfuric acid; sulfur trioxide at 210℃; |
LACTIC ACID
methanedisulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide bis zur Entwicklung von schwefliger Saeure, dann Saettigen mit BaCO3; | |
With sulfuric acid; sulfur trioxide |
Conditions | Yield |
---|---|
With sulfur trioxide |
Conditions | Yield |
---|---|
With sulfur trioxide at 140℃; | |
With aminosulfonic acid at 25 - 150℃; for 3h; Reagent/catalyst; Temperature; |
Conditions | Yield |
---|---|
With sulfur trioxide |
Conditions | Yield |
---|---|
With potassium sulfite at 150℃; |
dimethyl methanedisulfonate
ethanol
A
diethyl ether
B
methanedisulfonic acid
Conditions | Yield |
---|---|
With potassium sulfite at 180℃; |
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid bei der elektrolytischen Oxydation; | |
durch Hypochlorite; |
sulfoacetic acid
A
formaldehyd
B
ethane-1,2-disulphonic acid
C
methanedisulfonic acid
Conditions | Yield |
---|---|
bei der elektrolytischen Oxydation von sulfoessigsauren Salzen,und Kochen der angesaeuerten Loesung (Entwicklung von CO2,H2SO4,CO,SO2,Aethylen); |
Conditions | Yield |
---|---|
With sulfuric acid at 75 - 80℃; bei der elektrolytischen Oxydation an PbO2; | |
With water at 75 - 80℃; bei der elektrolytischen Oxydation an Platin; |
Conditions | Yield |
---|---|
With alkali |
disulfoacetic acid
methanedisulfonic acid
Conditions | Yield |
---|---|
durch thermische Zersetzung; |
N-acetyl-N-methylaniline
A
methanedisulfonic acid
B
N-methylorthanilic acid
Conditions | Yield |
---|---|
With sulfuric acid at 140 - 150℃; |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide at 120℃; durch Zufuegen von Eisessig und weiteres Erhitzen auf 120grad; |
Conditions | Yield |
---|---|
With chlorosulfonic acid unter Kuehlung und Erhitzen des Reaktionsgemisches dann auf 140grad; |
Conditions | Yield |
---|---|
With chlorosulfonic acid unter Kuehlung und Erhitzen des Reaktionsgemisches dann auf 140grad; |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide | |
With methanol; sulfuric acid; sulfur trioxide |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide ueber mehrere Stufen; | |
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid entstehen noch Sulfaten wie HO3SOCH(OH)CH(SO3H)2, welche bei der Spaltung mit Salzsaeure ebenfalls Acetaldehyddisulfonsaeure liefern; |
Conditions | Yield |
---|---|
(hydrolysis); |
methanedisulfonic acid
Conditions | Yield |
---|---|
With piperidine |
methanedisulfonic acid
Conditions | Yield |
---|---|
(i) aq. HCl, BaCl2, (ii) aq. H2SO4; Multistep reaction; |
Conditions | Yield |
---|---|
In water at 20℃; for 6h; | 99% |
Conditions | Yield |
---|---|
In water addn. of Ag2CO3 to an aq. soln. of the sulfonic acid; filtn., evapd. in vac., dried in vac. at 50°C; elem. anal.; | 98% |
In water exclusion of light; filtn., pptn. on evapn., drying (vac., 50°C); elem. anal.; | 98% |
In water (N2); Schlenk technique; aq. soln. of acid was added dropwise into stirred aq. soln. of Ag salt at 20°C; filtered through Celite; stirredat 20°C for 1 h; evapd. (vac.); dried at 50°C in vac.; | 84% |
In water |
methanedisulfonic acid
[(chlorosulfonyl)oxy]methyl sulfurochloridate
methylene methane disulfonate
Conditions | Yield |
---|---|
Stage #1: methanedisulfonic acid With poly(4-vinylpyridine) In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: [(chlorosulfonyl)oxy]methyl sulfurochloridate In 1,2-dichloro-ethane at 55℃; for 5h; Reagent/catalyst; Temperature; | 92% |
Conditions | Yield |
---|---|
With acetic anhydride; phosphorus trichloride at 120℃; for 5h; Reagent/catalyst; Temperature; Time; | 88.72% |
In toluene at 120℃; for 2h; Temperature; Solvent; | 81.2% |
With phosphorus pentoxide In 1,2-dichloro-ethane at 84℃; for 2h; | 76.52% |
With phosphorus pentoxide at 120℃; for 1h; | 47% |
Conditions | Yield |
---|---|
at 120℃; |
Conditions | Yield |
---|---|
at 140℃; man destilliert kontinuerlich der gebildete Aether ueber; | |
at 140℃; |
i-Amyl alcohol
methanedisulfonic acid
A
propan-1-ol
B
2-methyl-but-2-ene
C
isopentyl ether
D
2-methyl-propan-1-ol
Conditions | Yield |
---|---|
With phosphorus pentachloride | |
With phosphorus pentachloride | |
With phosphorus pentachloride |
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