DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:121-03-9
Min.Order:1 Kilogram
FOB Price: $3.0
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
Cas:121-03-9
Min.Order:1
Negotiable
Type:Other
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:121-03-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquirybest quality with competitive price Our 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, Me
Cas:121-03-9
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:121-03-9
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:121-03-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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 We can also provide MT1 peptide powd
Cas:121-03-9
Min.Order:1 Kilogram
FOB Price: $120.0 / 123.0
Type:Trading Company
inquiryChemical Name: 2-Methyl-5-nitrobenzenesulfonic acid CAS No.: 121-03-9 Molecular Fomula: C7H7NO5S Chemical Structure: Molecular weight: 217.2 Appearance: Milky white crystal Assay: 80% Appearance:White
Cas:121-03-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryAppearance:Very Dark Brown Solid Storage:Room temperature Package:25kg/Barrel Application:Intermediates of Dyes and Pigments Transportation:Express/Sea/Air Port:Any port in China
Cas:121-03-9
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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:121-03-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2-Methyl-5-nitrobenzenesulfonic acid CAS:121-03-9 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 qualit
Cas:121-03-9
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:121-03-9
Min.Order:1 Kilogram
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:121-03-9
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:121-03-9
Min.Order:0
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:121-03-9
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
Cas:121-03-9
Min.Order:0
Negotiable
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:121-03-9
Min.Order:10 Gram
FOB Price: $100.0
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:121-03-9
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Tabular crystal 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:Styrene is used
Cas:121-03-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
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
Cas:121-03-9
Min.Order:0
Negotiable
Type:Trading Company
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:121-03-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:121-03-9
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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:121-03-9
Min.Order:1 Gram
Negotiable
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:121-03-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
Cas:121-03-9
Min.Order:1 Kilogram
Negotiable
Type:Other
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:121-03-9
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
Lower 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:121-03-9
Min.Order:0
Negotiable
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
Conditions | Yield |
---|---|
With sulfuric acid at 75℃; for 1h; | 96% |
With sulfuric acid at 90℃; for 1h; Substitution; | 35% |
With sulfuric acid |
2,2-dimethyl-propanol-1
2-methyl-5-nitrobenzene-1-sulfonyl chloride
4-nitrotoluene-2-sulfonic acid
Conditions | Yield |
---|---|
With pyridine In 1,4-dioxane | 55% |
Conditions | Yield |
---|---|
With nitric acid In water at -5 - 80℃; for 6h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: nitric acid / man faellt mit Wasser und schuettelt das gefaellte Oel mit Ammoniak 2: sulfuric acid View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid / -5 - 0 °C / Electric arc 2: nitric acid / water / 6 h / -5 - 80 °C View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid Behandeln des Reaktionsgemisches mit Salpetersaeure bei 40-60grad; | |
With sulfuric acid Behandeln des Reaktionsgemisches mit Salpeterschwefelsaeure oder Nitraten; |
toluene
A
4-methyl-3-nitro-benzenesulfonic acid
B
4-nitrotoluene-2-sulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid dann Zufuegen unter Umschuetteln Salpetersaeure, bis keine Temperaturerhoehung mehr stattfindet; Trennung der Saeuren in Form ihrer Calciumsalze; das Salz der 2-Nitro-toluol-sulfonsaeure-(4) ist das schwerer loesliche; | |
With sulfuric acid durch Eintragen von Salpetersaeure in das enstandene Gemisch von Toluolsulfonsaeuren; |
4-methylisopropylbenzene
A
4-nitrotoluene-2-sulfonic acid
B
5-isopropyl-2-methyl-3-nitro-benzenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid Abkuehlen auf 40grad und anscliessendes Eintragen von Salpetersaeure; |
Conditions | Yield |
---|---|
at 0 - 45℃; Rate constant; |
1-methyl-4-nitrobenzene
sulfuric acid
iodine
4-nitrotoluene-2-sulfonic acid
Conditions | Yield |
---|---|
at 140℃; |
Conditions | Yield |
---|---|
Rate constant; |
Conditions | Yield |
---|---|
Behandeln des Reaktionsprodukts mit Salpetersaeure bei 40-60grad; |
4,4'-dinitrostilbene 2,2'-disulfonic acid
A
formic acid
B
4-nitrotoluene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 4-nitrotoluene-2-sulfonic acid With iron(II,III) oxide; tetrabutylammomium bromide; iron; iron(II) chloride In water at 110 - 120℃; pH=7.5 - 8; Stage #2: With ammonium hydroxide In water at 85 - 90℃; for 1.5h; pH=11.2 - 11.5; Stage #3: With hydrogenchloride In water pH=2 - 3; | 98.75% |
With hydrogen sulfide; ammonia |
4-nitrotoluene-2-sulfonic acid
4,4'-dinitrostilbene 2,2'-disulfonic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium hypochlorite In water; diethylene glycol at 85℃; for 0.166667h; | 93% |
With chlorine; sodium hydroxide In water at 35 - 45℃; for 1h; Reagent/catalyst; Electric arc; | 85.5% |
With sodium hypochlorite |
Conditions | Yield |
---|---|
With hydrazine hydrate; potassium hydroxide In water; diethylene glycol for 3h; Reflux; | 73% |
With alkali Reduktion der erhaltenen Farbstoffe mit Zinn bezw. Zinnchloruer und Salzsaeure; | |
Multi-step reaction with 2 steps 1: hypochlorite 2: TiCl3; hydrochloric acid View Scheme |
4-nitrotoluene-2-sulfonic acid
2-carboxy-5-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
With potassium permanganate; water at 115℃; for 5h; | 72% |
With potassium permanganate In water at 115℃; for 5h; | 72% |
Stage #1: 4-nitrotoluene-2-sulfonic acid With potassium permanganate; sodium hydroxide In water at 90℃; for 3h; Stage #2: With hydrogenchloride In water pH=1 - 2; |
4-nitrotoluene-2-sulfonic acid
A
4,4'-dinitrostilbene 2,2'-disulfonic acid
B
disodium 4,4'-dinitrobibenzyl-2,2'-disulfonate
Conditions | Yield |
---|---|
With sodium hypochlorite In sodium hydroxide at 65℃; for 0.416667h; | A n/a B 65% |
Conditions | Yield |
---|---|
Stage #1: 4-nitrotoluene-2-sulfonic acid With sodium carbonate In dimethyl sulfoxide at 20℃; for 0.166667h; Stage #2: pyrrolidine; 3,4,5-trimethoxy-benzaldehyde In dimethyl sulfoxide at 94℃; for 48h; | 53.26% |
ethanol
4-nitrotoluene-2-sulfonic acid
(R)-5-isopropyl-2-methylcyclohexa-1,3-diene
1-methyl-4-isopropyl-1,3-cyclohexadiene
Conditions | Yield |
---|---|
Kinetics; |
Conditions | Yield |
---|---|
With copper dichloride |
Conditions | Yield |
---|---|
With copper(ll) bromide |
Conditions | Yield |
---|---|
With potassium hydroxide; zinc |
Conditions | Yield |
---|---|
With nitric acid | |
With sulfuric acid; nitric acid |
4-nitrotoluene-2-sulfonic acid
4-nitrobenzaldehyde-2-sulphonic acid
Conditions | Yield |
---|---|
With sodium hypochlorite | |
With hypobromite | |
Multi-step reaction with 2 steps 1: hypochlorite 2: KMnO4 View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide | |
With sodium hypochlorite at 40 - 70℃; |
4-nitrotoluene-2-sulfonic acid
Conditions | Yield |
---|---|
With potassium hydroxide; zinc | |
Electrolysis.in alkal. Loesung; |
4-nitrotoluene-2-sulfonic acid
5-amino-2-formyl-benzenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; sulfur | |
With sulfur |
4-nitrotoluene-2-sulfonic acid
A
4-amino-toluene-2-sulfonic acid
B
4,4'-diaminostilbene-2,2'-disulfonic acid
Conditions | Yield |
---|---|
With alkaline solution; zinc | |
With alkaline solution; zinc |
4-nitrotoluene-2-sulfonic acid
hydrogen sulfide
ammonia
4-amino-toluene-2-sulfonic acid
hydrogenchloride
4-nitrotoluene-2-sulfonic acid
4-amino-toluene-2-sulfonic acid
Conditions | Yield |
---|---|
liefert erst 4.4'-Dimethyl-azobenzol-disulfonsaeure-(3.3'); |
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