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:119-93-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Appearance White or almost white solid Almost white solid Identification
Cas:119-93-7
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryUnique advantages for 3,3'-DiMethylbenzidine Cas 119-93-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or off-white solid Storage:Cool dry place Package:2
Cas:119-93-7
Min.Order:1 Kilogram
FOB Price: $130.0 / 159.0
Type:Trading Company
inquiryChengdu words and import and export co., LTD is one specialized is engaged in pharmaceutical intermediates, fine chemical industry in the field of research. Development and production of high-tech enterprises.We can provide Ephedrine products to ne
high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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
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,Merck,Thermo Fisher Scientific and so on.O
Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is
Product Name: C.I. 37230 Synonyms: 3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine(O-Tolidine);1’-biphenyl)-4,4’-diamine,3,3’-dimethyl-(;1’-Biphenyl)-4,4’-diamine,3,3’-dimethyl-(1;1’-biphenyl)-4,4
Cas:119-93-7
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:119-93-7
Min.Order:100 Gram
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:119-93-7
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
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:119-93-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirymoderate price & quick delivery Appearance:LIGHT GREY-GREEN TO GREY POWDER Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Sensitive
Cas:119-93-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct name: 3,3'-Dimethyl-Benzidine CAS No.: 119-93-7 Molecule Formula:C14H16N2 Molecule Weight:212.29 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard
Cas:119-93-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:119-93-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:119-93-7
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
3,3'-Dimethylbiphenyl-4,4'-diamineAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
ISO Factory/Good qualityAppearance:off white Storage:dry and cool place Package:10G/BAG; 1KG/BAG ;25KG/DRUM Application:Active pharaceutical ingredients Transportation:BY SEA,AIR,EXPRESS Port:SHANGHAI;BEIJING
Cas:119-93-7
Min.Order:0
Negotiable
Type:Manufacturers
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 purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:119-93-7
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:119-93-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryProduct Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:119-93-7
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highl
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:119-93-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryo-tolidin
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 80℃; for 2h; | 81% |
Conditions | Yield |
---|---|
Stage #1: 2,2'-dimethylhydrazobenzene With hydrogenchloride In water at 30 - 90℃; for 2h; Stage #2: With water; sodium hydroxide pH=9 - 10; | 65.3% |
With hydrogenchloride; sodium hydrogensulfite; xylene |
Dimethyl 4,4'-diamino-3,3'-biphenylylenedicarboxylate
o-tolidin
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 24h; Reduction; Heating; | 24% |
Conditions | Yield |
---|---|
With sodium carbonate; palladium; isopropyl alcohol at 80℃; under 7355.08 Torr; anschliessend Behandeln mit wss.Salzsaeure und mit Eisen; | |
Multi-step reaction with 2 steps 1.1: sodium dodecylbenzenesulfonate; 0.8wt% Pd/C; hydrogen; sodium hydroxide; [1,4]naphthoquinone / ethanol / 30 °C / 4500.45 Torr / Autoclave 2.1: hydrogenchloride / water / 2 h / 30 - 90 °C 2.2: pH 9 - 10 View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid bei der elektrolytischen Reduktion, an Kohlenstoffanode und Platinkathode; |
Conditions | Yield |
---|---|
at 250℃; |
B
o-tolidin
Conditions | Yield |
---|---|
beim Schmelzen; |
Conditions | Yield |
---|---|
With ethanol; tin(ll) chloride | |
With hydrogenchloride; water; sulphurous acid at 40 - 50℃; Reagens 4: Jodkalium; |
trypane blue
A
o-tolidin
B
3,5-diamino-4-hydroxy-naphthalene-2,7-disulfonic acid
Conditions | Yield |
---|---|
Product distribution; Mechanism; various pH; comparison with other reducing agent : Zn; electrochemical reduction; |
2,2'-dimethyl-4-nitro-ONN-azoxybenzene
A
o-tolidin
C
o-toluidine
D
2-methyl-p-phenylenediamine
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid; tin(ll) chloride for 2h; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
Mechanism; controlled potential electrolysis; pH=2.8-4.0; -0.25 V; |
Conditions | Yield |
---|---|
With sodium dithionate In various solvent(s) at 70℃; pH=6; Product distribution; Further Variations:; Reaction partners; Reduction; |
Conditions | Yield |
---|---|
at 40 - 50℃; |
hydrogenchloride
2,2'-dimethylhydrazobenzene
A
o-tolidin
B
3,3'-dimethyl-biphenyl-2,4'-diyldiamine
hydrogenchloride
diethyl ether
2,2'-dimethylhydrazobenzene
A
o-tolidin
Conditions | Yield |
---|---|
at -40℃; Behandeln des Reaktionsprodukts mit Wasser; |
hydrogenchloride
2,2'-dimethylhydrazobenzene
A
o-tolidin
B
2,2'-dimethylazobenzene
C
o-toluidine
ethanol
2,2'-dimethylazobenzene
A
o-tolidin
B
N,N'-Di-o-tolyl-diazene N-oxide
o-tolidin
Conditions | Yield |
---|---|
With hypochlorous anhydride; diethyl ether; chlorine monoxide | |
With hydrogenchloride |
A
o-tolidin
B
3,3'-dimethyl-biphenyl-2,4'-diyldiamine
Conditions | Yield |
---|---|
With hydrogenchloride |
ethanol
1-methyl-2-nitrobenzene
sulfuric acid
A
o-tolidin
B
o-toluidine
Conditions | Yield |
---|---|
bei der elektrolytischen Reduktion; |
o-tolidin
benzenesulfonyl chloride
N,N'-(3,3'-dimethylbiphenyl-4,4'-diyl)dibenzenesulfonamide
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 4h; pH=Ca. 8; | 98% |
With pyridine |
Conditions | Yield |
---|---|
With sodium hydroxide; PEG-600 In dichloromethane; water at 20℃; for 1h; Acylation; | 98% |
Conditions | Yield |
---|---|
In chlorobenzene; acetone at 20℃; for 3h; Glovebox; | 98% |
Conditions | Yield |
---|---|
for 0.00277778h; Green chemistry; | 97% |
Conditions | Yield |
---|---|
With sodium t-butanolate; Ni(0)*2IPr In 1,4-dioxane at 100℃; | 95% |
Conditions | Yield |
---|---|
With sodium t-butanolate; Ni(0)*2IPr In 1,4-dioxane at 100℃; | 95% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Heating; | 91% |
Conditions | Yield |
---|---|
With formic acid In ethanol at 20℃; | 90% |
With ethanol |
3,5-Di-tert-butylbenzaldehyde
o-tolidin
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 130℃; for 24h; Molecular sieve; Autoclave; | 90% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 0.25h; | 89% |
ferrocenecarboxaldehyde
o-tolidin
[(η(5)-C5H5)Fe(η(5)-C5H4CH=NC6H3-2-Me-)]2
Conditions | Yield |
---|---|
In benzene byproducts: H2O; mixing dimethylbenzidine with 2 equiv. of Fe-complex soln. at 20°C, azeotropic distn. off of H2O; hot filtration, evapn. (vac.), treatment with hexane, filtration, dryingin air; elem. anal.; | 89% |
With aluminum oxide In toluene ferrocene in toluene treated with benzidine, refluxed (Ar) for 3 days inthe presence of Al2O3; hot filtered, concd.(vac.), washed (ethanol), dried (vac.), elem. anal.; | 89% |
Conditions | Yield |
---|---|
Stage #1: o-tolidin With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Stage #2: 3-diethylaminophenol In water at 0 - 5℃; for 2h; pH=5-6; | 88.3% |
Conditions | Yield |
---|---|
Stage #1: o-tolidin With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Stage #2: 2-( N-ethylanilino)ethanol In water at 0 - 5℃; for 2h; pH=5-6; | 87.1% |
Conditions | Yield |
---|---|
With acetic acid In ethanol at 70 - 80℃; for 0.583333h; | 87% |
Conditions | Yield |
---|---|
With acetic acid In ethanol at 80 - 85℃; | 86.5% |
Conditions | Yield |
---|---|
Stage #1: o-tolidin With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Stage #2: N-(2-cyanoethyl)-N-methylaniline In water at 0 - 5℃; for 2h; pH=5-6; | 85.2% |
o-tolidin
salicylaldehyde
2,2'-((1E,1'E)-((3,3'-dimethyl-[1,1'-biphenyl]-4,4'-diyl)bis(azanylylidene))bis(methanylylidene))diphenol
Conditions | Yield |
---|---|
With acetic acid In ethanol for 8h; Reflux; | 85.1% |
oxo-(2,4,6-trimethylphenylamino)acetyl chloride
o-tolidin
C36H38N4O4
Conditions | Yield |
---|---|
In tetrahydrofuran | 85% |
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; | 85% |
o-tolidin
1-amino-4-chloroanthraquinone
1-amino-4-(4'-amino-2,3'-dimethylbiphenylylamino)anthraquinone
Conditions | Yield |
---|---|
With aluminium trichloride In nitrobenzene Ambient temperature; | 84% |
o-tolidin
α,α'-dibromo-o-xylene
4,4'-di-(2,3-dihydro-1H-isoindol-2-yl)-3,3'-dimethyl-biphenyl
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane at 20℃; for 0.2h; | 84% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View