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:2243-76-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:2243-76-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:2243-76-7
Min.Order:1 Kilogram
FOB Price: $75.0 / 80.0
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:2243-76-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:2243-76-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryMordant Orange 1 CAS:2243-76-7 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 intermed
Cas:2243-76-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:2243-76-7
Min.Order:1 Kilogram
Negotiable
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
Competitive price 2243-76-7 High quality Mordant Orange 1 on Sale Molecular Formula C13H9N3O5 Molar Mass 287.23 Density 1.3681 (rough estimate) Melting Point 250°C Boling Point 429.53&d
Cas:2243-76-7
Min.Order:1 Gram
Negotiable
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
Quick Details Place of Origin: Shanghai, China Brand Name: LonwinChem Model Number: Industry Grade Classification: High Pu
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:2243-76-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryMordant Orange 1 Cas NO.: 2243-76-7 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,
Cas:2243-76-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediates (Flu
Cas:2243-76-7
Min.Order:1 Gram
FOB Price: $9.0 / 10.0
Type:Lab/Research institutions
inquiryMordant Orange 1 Basic information Product Name: Mordant Orange 1 Synonyms: MORDANT ORANGE 1;P-NITROBENZENEAZOSALICYLIC ACID SODIUM SALT;ORANGE R;TIMTEC-BB SBB008990;SODIUM P-NITROBENZENEAZOSALICYLATE;SODIUM 5-(P-NITROPHENYLAZO)SALICYLATE;sync
Zhenyu 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:2243-76-7
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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:2243-76-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
high 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 qualityAppearance:white crystalline 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
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
Ansciep 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
We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Cas:2243-76-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:off-white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as prima
Mordant Orange 1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:brown powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Conditions | Yield |
---|---|
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at -0.16℃; for 0.166667h; Stage #2: salicylic acid With sodium hydroxide In water | 80% |
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at 0℃; Flow reactor; Stage #2: salicylic acid With glycine; sodium hydroxide In water; N,N-dimethyl-formamide at 25℃; pH=8.55 - 9; Flow reactor; |
Conditions | Yield |
---|---|
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.75h; Stage #2: sodium salicylate In water at 0 - 5℃; for 2h; Alkaline conditions; | 60% |
4-nitrobenzenediazonium tetrafluoroborate
salicylic acid
alizarin yellow R
Conditions | Yield |
---|---|
In water; acetonitrile at 20℃; Inert atmosphere; Darkness; | 18% |
Conditions | Yield |
---|---|
With alkali hydroxide |
4-nitrobenzenediazonium chloride
2-hydroxy-5-phenylazo-benzoic acid
A
2,4-Bis-(4-nitro-phenylazo)-phenol
B
alizarin yellow R
Conditions | Yield |
---|---|
With sodium nitrate; sulfuric acid |
sulfuric acid
nitric acid
2-hydroxy-5-phenylazo-benzoic acid
alizarin yellow R
Conditions | Yield |
---|---|
In toluene ligand was mixed with Sn-compound in toluene, refluxed for 3 h; solvent was distilled and removed by rotary evaporator, dissolved in petroleum ether under cold conditions, recrystd. from petroleum ether for several ds; elem. anal.; | 83% |
mono-6-deoxy-6-(2-aminoethylamino)-β-cyclodextrin
alizarin yellow R
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1) 0 deg C, 3 h; 2) rt, 10 h; | 37% |
methanol
alizarin yellow R
2-hydroxy-5-(4-nitro-phenylazo)-benzoic acid methyl ester
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid |
alizarin yellow R
2,4,5-trichloro-3,6-dioxo-cyclohexa-1,4-dienecarboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hypochlorite |
Conditions | Yield |
---|---|
In water Rate constant; Equilibrium constant; in neutral region; |
Conditions | Yield |
---|---|
In water Rate constant; Equilibrium constant; in basic region; |
Conditions | Yield |
---|---|
beim Aufbewahren; |
alizarin yellow R
A
5-(4-amino-phenylazo)-2-hydroxy-benzoic acid
B
4-nitro-aniline
Conditions | Yield |
---|---|
in alkal.Loesung; |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium dithionite In water at 100℃; for 1h; Product distribution; Further Variations:; Temperatures; Solvents; pH-values; reflux condenser; |
alizarin yellow R
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: concentrated sulfuric acid 2: durch Acetylierung View Scheme |
Conditions | Yield |
---|---|
In ethanol; ammonia aq. ammonia=NH3; a soln. of CuCl2*2H2O in water-ammonia is added to a soln. of NiCl2*6H2O, Methyl Red and Alizarin Yellow R in EtOH/aq. NH3; the solvents are evapd., the ppt. is filtered, washed, dried, elem. anal.; |
Conditions | Yield |
---|---|
In ethanol; ammonia aq. ammonia=NH3; a soln. of Methyl Red in hot ethanol is mixed with a soln. of Alizarin Yellow R in hot water-ethanol, to this soln. is added the metal salt in water-ammonia; the solvents are partially evapd., the ppt. is filtered., washed, dried, elem. anal.; |
Conditions | Yield |
---|---|
In ethanol; ammonia aq. ammonia=NH3; a soln. of Methyl Red in hot ethanol is mixed with a soln. of Alizarin Yellow R in hot water-ethanol, to this soln. is added the metal salt in water-ammonia; the solvents are partially evapd., the ppt. is filtered, washed, dried,elem. anal.; |
Conditions | Yield |
---|---|
In ethanol; ammonia aq. ammonia=NH3; a soln. of CuCl2*2H2O in water-ammonia is added to a soln. of CuCl2*2H2O, Methyl Red and Alizarin Yellow R in EtOH/aq. NH3; the solvents are evapd., the ppt. is filtered, washed, dried, elem. anal.; |
Conditions | Yield |
---|---|
In ethanol; ammonia aq. ammonia=NH3; a soln. of CuCl2*2H2O in water-ammonia is added to a soln. of CoCl2*6H2O, Methyl Red and Alizarin Yellow R in EtOH/aq. NH3; the solvents are evapd., the ppt. is filtered, washed, dried, elem. anal.; |
Conditions | Yield |
---|---|
In ethanol; ammonia aq. ammonia=NH3; a soln. of Methyl Red in hot ethanol is mixed with a soln. of Alizarin Yellow R in hot water-ethanol, to this soln. is added the metal salt in water-ammonia; the solvents are partially evapd., the ppt. is filtered, washed, dried,elem. anal.; |
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