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
Cas:91-30-5
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:91-30-5
Min.Order:1 Kilogram
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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
Cas:91-30-5
Min.Order:1
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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:91-30-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
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:91-30-5
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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
Cas:91-30-5
Min.Order:10 Kilogram
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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:91-30-5
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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:91-30-5
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
Type:Lab/Research institutions
inquiryBest 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
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
Cas:91-30-5
Min.Order:0 Metric Ton
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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:91-30-5
Min.Order: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:91-30-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiry4-Aminodiphenyamine-2-sulfonic acid Chemical Properties density 1.464 CAS DataBase Reference 91-30-5(CAS DataBase Reference)
Cas:91-30-5
Min.Order:1 Metric Ton
FOB Price: $20.0
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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:91-30-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:91-30-5
Min.Order:1 Gram
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Type:Lab/Research institutions
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
Cas:91-30-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
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
Cas:91-30-5
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:91-30-5
Min.Order:0
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Type:Lab/Research institutions
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 quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
TIANFU-CHEM CAS NO.91-30-5 4-Aminodiphenyamine-2-sulfonic acidAppearance:Colorless to light yellow liquid Storage:Room temperature Package:20kg/drum, 200kg/drum or 1000kg/IBC Drum Application:Water treatment Transportation:By sea , by air or express
Cas:91-30-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:91-30-5
Min.Order:0
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Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:91-30-5
Min.Order:0
Negotiable
Type:Trading Company
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:91-30-5
Min.Order:0
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Type:Lab/Research institutions
inquiry4-Aminodiphenyamine-2-sulfonic acid cas 91-30-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:91-30-5
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:91-30-5
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium sulfite | |
With sodium hydroxide; sodium sulfite Ansaeuern der Loesung; |
Conditions | Yield |
---|---|
With hydrogenchloride; iron | |
With hydrogenchloride; iron |
4-aminodiphenylamine-2-sulfonic acid
Conditions | Yield |
---|---|
With barium dihydroxide; iron(II) sulfate |
4-aminodiphenylamine-2-sulfonic acid
Conditions | Yield |
---|---|
With water; zinc | |
With water; zinc |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: glycerol; calcium carbonate / 180 - 185 °C 2: iron powder; hydrochloric acid View Scheme |
Conditions | Yield |
---|---|
Stage #1: 4-aminodiphenylamine-2-sulfonic acid With sodium carbonate In water at 0 - 5℃; Stage #2: With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.833333h; Stage #3: 4-hydroxy-1-methyl-2(1H)-quinolone With sodium hydroxide at 0 - 5℃; for 4h; pH=6 - 7; | 74.9% |
Conditions | Yield |
---|---|
With recombinant CotA-laccase from Bacillus subtilis In methanol; aq. phosphate buffer at 37℃; for 24h; pH=6; Kinetics; Green chemistry; Enzymatic reaction; | A 70% B 27% |
1-amino-4-bromo-2-(hydroxymethyl)anthraquinone
4-aminodiphenylamine-2-sulfonic acid
Conditions | Yield |
---|---|
With potassium acetate; copper diacetate at 95℃; for 0.583333h; Ullmann Condensation; Microwave irradiation; | 57% |
1-Amino-4-bromoanthraquinone-2-carboxylic acid
4-aminodiphenylamine-2-sulfonic acid
sodium 1-amino-4-[4-phenylamino-3-carboxyphenylamino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
Conditions | Yield |
---|---|
With copper at 120℃; for 0.0833333h; Ullmann reaction; aq. phosphate buffer; Microwave irradiation; | 55% |
1-amino-4-bromo-9,10-dioxoanthracene-2-sulphonic acid
4-aminodiphenylamine-2-sulfonic acid
Conditions | Yield |
---|---|
With copper at 120℃; for 0.0833333h; Ullmann reaction; aq. phosphate buffer; Microwave irradiation; | 46% |
4-aminodiphenylamine-2-sulfonic acid
Conditions | Yield |
---|---|
With potassium acetate; copper diacetate at 95℃; for 0.25h; Ullmann Condensation; Microwave irradiation; | 44% |
1-amino-2-methyl-4-bromoanthraquinone
4-aminodiphenylamine-2-sulfonic acid
C27H21N3O5S
Conditions | Yield |
---|---|
With potassium acetate; copper(II) acetate monohydrate; copper In methanol at 95℃; for 0.666667h; Ullmann Condensation; Microwave irradiation; | 42% |
Conditions | Yield |
---|---|
With potassium acetate; copper diacetate In pentan-1-ol at 95℃; for 0.0833333h; Ullmann Condensation; Microwave irradiation; | 39% |
1-amino-2-methyl-4-bromoanthraquinone
4-aminodiphenylamine-2-sulfonic acid
sodium 1-amino-2-methyl-4-[4-phenylamino-3-sulfophenylamino]-9,10-dioxo-9,10-dihydroanthracene
Conditions | Yield |
---|---|
With copper at 120℃; for 0.0833333h; Ullmann reaction; aq. phosphate buffer; Microwave irradiation; | 30% |
Conditions | Yield |
---|---|
With water; sodium acetate |
Conditions | Yield |
---|---|
With ethanol; sodium carbonate |
4-aminodiphenylamine-2-sulfonic acid
2,6-dichloro-3,5-dinitrotoluene
Conditions | Yield |
---|---|
With copper(I) sulfate; sodium carbonate; copper(II) sulfate |
4-aminodiphenylamine-2-sulfonic acid
4-anilino-3-sulfo-benzenediazonium-betaine
Conditions | Yield |
---|---|
Diazotization; | |
Diazotization; |
Conditions | Yield |
---|---|
With sulfuric acid | |
With hydrogenchloride; tin(ll) chloride |
4-aminodiphenylamine-2-sulfonic acid
1-chloro-4,7-dinitro-10H-acridin-9-one
Conditions | Yield |
---|---|
With sodium acetate; nitrobenzene |
Conditions | Yield |
---|---|
nach dem Sulfit-Verfahren; |
4-aminodiphenylamine-2-sulfonic acid
Conditions | Yield |
---|---|
With water; sodium acetate |
hydrogenchloride
4-aminodiphenylamine-2-sulfonic acid
N-phenylphenylene-1,4-diamine
4-aminodiphenylamine-2-sulfonic acid
4-(4,6-dichloro-[1,3,5]triazin-2-ylamino)-5-hydroxy-naphthalene-2,7-disulfonic acid
Conditions | Yield |
---|---|
Stage #1: 4-aminodiphenylamine-2-sulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; Stage #2: 4-(4,6-dichloro-[1,3,5]triazin-2-ylamino)-5-hydroxy-naphthalene-2,7-disulfonic acid With sodium carbonate In water at 5 - 15℃; for 2h; pH=6.5 - 7; | 74.2 g |
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