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 according to the contract research and development services for the fine c
Cas:493-52-7
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inquiryWe have been specializing in Chemical indicator since 1984, we are supplying it to S. America and other oversea customer, the quality is stable, they use our source to replace Sigma-aldrich's. Superiority:
Methyl red is a commonly used indicator for acid-base titrations. This chemical is usually yellow but turns red below pH 4.0. Bacteria exhibiting mixed acids fermentation will accumulate acids in the medium, resulting in a color change. Approximate
Cas:493-52-7
Min.Order:1 Kilogram
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:493-52-7
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryOur 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:493-52-7
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inquiryAbout Product Details
Cas:493-52-7
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Lab/Research institutions
inquiryGood quantity Methyl Red Basic information Product Name: Methyl Red Synonyms: CI NO 13020;BROMOCRESOL GREEN-METHYL RED;BROMOCRESOL GREEN-METHYL RED ETHANOL;BROMOCRESOL GREEN/METHYL RED
Cas:493-52-7
Min.Order:1 Metric Ton
Negotiable
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:493-52-7
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:493-52-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name: Methyl Red Synonyms: CI NO 13020;BROMOCRESOL GREEN-METHYL RED;BROMOCRESOL GREEN-METHYL RED ETHANOL;BROMOCRESOL GREEN/METHYL RED, MIXED INDICATOR;BROMOCRESOL GREEN/METHYL RED, MIX IN
1.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:493-52-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryMethyl Red Basic information Product Name: Methyl Red Synonyms: CI NO 13020;BROMOCRESOL GREEN-METHYL RED;BROMOCRESOL GREEN-METHYL RED ETHANOL;BROMOCRESOL GREEN/METHYL RED, MIXED INDICATOR;BROMOCRESOL GREEN/METHYL RED, MIX INDICATOR FOR ALKALIN
Our 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 present
Cas:493-52-7
Min.Order:1 Kilogram
FOB Price: $36.0 / 50.0
Type:Trading Company
inquiryBeluga chemical professional supply High quality Methyl Red A CAS 493-52-7 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and
Cas:493-52-7
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:493-52-7
Min.Order:1 Kilogram
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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
Cas:493-52-7
Min.Order:0
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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:493-52-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryOur 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
superior quality Appearance:dark red crystalline 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 Tran
Hangzhou 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
The 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
Cas:493-52-7
Min.Order:0 Metric Ton
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Type:Other
inquirySupply Competitive price 493-52-7 High purity Methyl Red methyl red is one of the commonly used acid-base indicators. the normal concentration is 0.1% ethanol solution, pH4.4 (red)-6.2 (yellow). It is also used for in vivo staining of protozoa. in
Cas:493-52-7
Min.Order:1 Gram
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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:493-52-7
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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
Methyl Red CAS 493-52-7 Description Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality c
Cas:493-52-7
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
Type:Trading Company
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:493-52-7
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: Methyl Red CAS No.:493-52-7 Molecule Formula:C15H15N3O2 Molecule Weight:269.30 Purity: 99.0% Package: 25kg/drum Description:Red crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:493-52-7
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryProduct 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,
Cas:493-52-7
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:493-52-7
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
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
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite durch Diazotierung und Kupplung der Diazoverbindung mit Dimethylanilin, geloest in salzsaurehaltigem Alkohol; |
Conditions | Yield |
---|---|
In water water bath (4 h); ppt. filtration off, washing (water), drying (70°C); elem. anal.; |
Conditions | Yield |
---|---|
Stage #1: methyl red With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; Cooling with ice; Stage #2: Propargylamine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | 98% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol byproducts: NaO2CCH3; a mixt. of the ligand in ethanolic NaOH and Hg(II) salt in EtOH was refluxed for 6 h, EtOH was removed, the product was extg. with benzene; puirified by recrystallisation from benzene and petroleum ether; identified by elem. anal., IR, NMR and UV spectra; | 95% |
4-Vinylbenzyl chloride
methyl red
2-(4-dimethylamino-phenylazo)-benzoic acid 4-vinyl-benzyl ester
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 24h; | 94% |
With triethylamine In N,N-dimethyl-formamide for 24h; | 94% |
Conditions | Yield |
---|---|
With hydrazine hydrate; aluminium In ethanol Heating; | A 85% B 92% |
With formic acid; zinc In methanol at 20℃; for 0.25h; | A 88% B 91% |
With ammonium acetate; zinc In methanol at 20℃; for 0.0833333h; | A n/a B 91% |
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol Heating; | 92% |
Conditions | Yield |
---|---|
With ammonium formate; nickel In methanol at 20℃; for 0.25h; | 88% |
3-(trimethoxysilyl)propan-1-amine
methyl red
Conditions | Yield |
---|---|
Stage #1: methyl red With 1,1'-carbonyldiimidazole In tetrahydrofuran at 35℃; for 1.5h; Inert atmosphere; Reflux; Schlenk technique; Stage #2: 3-(trimethoxysilyl)propan-1-amine In tetrahydrofuran for 24h; Inert atmosphere; Reflux; Schlenk technique; | 86% |
Conditions | Yield |
---|---|
In ethanol mixt. of Sn compd. and ligand in EtOH refluxed with stirring for 1 h; concd. in vac.; filtered; solid washed with cold EtOH; dried in vac.; elem. anal.; | 82.2% |
methyl red
Conditions | Yield |
---|---|
With tin; hydrazine hydrate In methanol at 20℃; for 0.416667h; | 80% |
With ammonium chloride; magnesium In methanol at 20℃; for 0.0833333h; | 60% |
With titanium(IV) oxide Rate constant; Irradiation; anaerobe, buffered soln., effect of the pH, TiO2 concn.; |
ethanol
methyl red
2-{[4-(dimethylamino)phenyl]azo}-benzoic acid ethyl ester
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; | 76% |
bis(triphenyltin) oxide
methyl red
triphenyltin-o-(4-N,N-dimethylaminophenylazo)benzoate
Conditions | Yield |
---|---|
In ethanol under N2, 2 equiv. of acid was used, reflux for 0.3 h; soln. was filtered, concd., solid was washed with cold hexane, dried in vac., elem. anal.; | 68% |
tris(triphenylphosphine)ruthenium(II) chloride
methyl red
Conditions | Yield |
---|---|
With triethylamine In methanol at 85℃; for 4h; | 60% |
methyl red
1-(3-iodopropyl)-pyrrole
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 80℃; for 3h; | 57% |
diphenyltin(IV) oxide
methyl red
triphenyltin-o-(4-N,N-dimethylaminophenylazo)benzoate
Conditions | Yield |
---|---|
In ethanol under N2, 1 equiv. of acid was used, reflux for 4 h; soln. was filtered, concd., solid was washed with cold hexane, dried in vac., elem. anal.; | 50% |
1-hydroxy-pyrrolidine-2,5-dione
methyl red
succinimidyl 2-[4-(dimethylamino)phenylazo]benzoate
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; | 50% |
With dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; |
Conditions | Yield |
---|---|
In ethanol under N2, 1 equiv. of acid was used, reflux for 4 h; soln. was filtered, concd., solid was crystd. from hot toluene/dioxane mixt. (1:4, v/v), crystals were washed with Et2O and dried in vac., elem.anal.; | 47% |
tert-butyl {2-[2-(2-aminoethoxy)ethoxy]ethyl}carbamate
methyl red
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide at 20℃; | 44% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In chloroform at 0℃; for 3h; | 33.1% |
Conditions | Yield |
---|---|
In benzene byproducts: H2O; molar ratio (C3H7)3SnOSn(C3H7)3 : acid = 1:2, gentle reflux for 12 h; removal of water formed, recrystn. from petroleum ether; | 25% |
In benzene byproducts: H2O; molar ratio (C3H7)3SnOSn(C3H7)3 : acid = 1:2, gentle reflux for 12 h; removal of water formed, recrystn. from petroleum ether; | 25% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In chloroform at 0℃; for 3h; | 21.3% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 24h; | 17% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In N,N-dimethyl-formamide for 24h; Ambient temperature; |
Conditions | Yield |
---|---|
With pyridine N-oxide; triethylamine In 1,4-dioxane at 25℃; Rate constant; |
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