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 t
Cas:119-28-8
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
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Cas:119-28-8
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inquiryAbout Product Details
Cas:119-28-8
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FOB Price: $3.0 / 10.0
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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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:119-28-8
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Type:Trading Company
inquiryAppearance:Light gray crystal Storage:Room Temperature Package:25kg/Barrel Application:Intermediates of Dyes and Pigments Transportation:Express/Sea/Air Port:Any port in China
Cas:119-28-8
Min.Order:1 Metric Ton
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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:119-28-8
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryProduct Name: 1-Naphthylamine-7-sulfonic acid CAS: 119-28-8 MF: C10H9NO3S MW: 223.25 EINECS: 204-311-4 Mol File: 119-28-8.mol 1-Naphthylamine-7-sulfonic acid Structure 1-Naphthylamine-7-sulfonic acid Chemical Properties Melting po
Cas:119-28-8
Min.Order:1 Gram
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Type:Lab/Research institutions
inquirySpecifications:appearance: grey-reAppearance:grey-red power Storage:Rom tep. Package:25kg net/bag Port:Shanghai
Cas:119-28-8
Min.Order:0 Metric Ton
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Type:Trading Company
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:119-28-8
Min.Order:10 Gram
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Type:Trading Company
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:119-28-8
Min.Order:0 Metric Ton
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inquiryOur Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif
Cas:119-28-8
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FOB Price: $75.0 / 150.0
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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:119-28-8
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:119-28-8
Min.Order:4 Kilogram
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Type:Lab/Research institutions
inquiryTop quality 1-Naphthylamine-7-sulfonic acid 119-28-8 good supplier Molecular Formula C10H9NO3S Molar Mass 223.25 Density 1.3588 (rough estimate) Melting Point ≥300°C(lit.) Boling Point
Cas:119-28-8
Min.Order:1 Gram
Negotiable
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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
Cas:119-28-8
Min.Order:1 Metric Ton
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inquiryProduct Name: 1-Naphthylamine-7-sulfonic acid Synonyms: TIMTEC-BBSBB000621;SODIUMNAPTHIONATE;SODIUMNAPHTHIONATE;SODIUM1-NAPHTHYLAMINE-4-SULFONATE;PARA-NAPHTHIONICACChemicalbookID,NASALT;NAPHTHIONICACIDSODIUMSALT0.5-WATER;NAPHT
Cas:119-28-8
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Type:Other
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:119-28-8
Min.Order:1 Kilogram
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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:119-28-8
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FOB Price: $7.0 / 8.0
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
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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
Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryhigh 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
bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
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inquiryQualityAdvanced technologySupper qualityEffective & safety packageServiceProfessional and timely afte-sale service(replied within 12h)Appearance:grey-red power Storage:cool,dry, ventilated Package:1kg/bag, 10kg/drum, 25kg/drum(on requests) Applicatio
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inquirynaphthalene-2-sulfonate
A
5-aminonaphthalene-2-sulfonic acid
B
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 25℃; anschl. bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure; | |
With sulfuric acid; nitric acid at 25℃; dann bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure; | |
Stage #1: naphthalene-2-sulfonate With sulfuric acid at 120℃; for 0.666667h; Stage #2: With nitric acid at 33 - 35℃; for 20h; Reagent/catalyst; Overall yield = 86 percent; Overall yield = 75 g; Further stages; |
1-nitro-7-naphthalenesulfonic acid
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With ammonium sulfide | |
With iron; acetic acid |
8-hydroxy-naphthalene-2-sulfonic acid
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
Reaktion des Natriumsalzes; Erhitzen des Reaktionsprodukts mit Ammoniak unter Druck auf 100-110grad, dann beim Ansaeuern; |
1-amino-naphthalene-2,7-disulfonic acid
water
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
unter Druck; |
1-nitro-7-naphthalenesulfonic acid
8-amino-2-naphthalenesulfonic acid
8-amino-2-naphthalenesulfonic acid
8-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 8-amino-2-naphthalenesulfonic acid With water; sodium hydrogensulfite for 15h; Reflux; Inert atmosphere; Stage #2: With sodium hydroxide In water for 4h; Reflux; Stage #3: With hydrogenchloride In water | 95% |
With sodium disulfite man kocht und macht alkalisch; | |
With sodium hydroxide at 260℃; |
8-amino-2-naphthalenesulfonic acid
3,4-dichlorobenzoyl chloride
8-(3,4-dichlorobenzamido)naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With pyridine at 20℃; for 12h; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at 0℃; for 0.333333h; Stage #2: 8-amino-2-naphthalenesulfonic acid In methanol; water at 20℃; for 0.5h; | 90% |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite at 55℃; for 0.5h; pH=2; | 87% |
With ethanol; nitrate radical |
8-amino-2-naphthalenesulfonic acid
8-chloro-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 8-amino-2-naphthalenesulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride; copper(l) chloride In water at 0 - 20℃; for 13h; Inert atmosphere; | 65% |
durch Austausch von NH2 gegen Chlor; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 140 - 150℃; for 24h; | 43% |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium persulfate In water at 20℃; for 16h; oxidative polymerization; | 31% |
Conditions | Yield |
---|---|
With sodium carbonate In chloroform; water at 25℃; for 18h; | 28% |
benzenediazonium
8-amino-2-naphthalenesulfonic acid
8-amino-5-phenylazo-naphthalene-2-sulfonic acid
8-amino-2-naphthalenesulfonic acid
benzene diazonium chloride
5,8-diamino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With sodium acetate Reduzieren mit Zinn(II)-chlorid und Salzsaeure; |
8-amino-2-naphthalenesulfonic acid
3-carboxylato-4-hydroxybenzenediazonium
Conditions | Yield |
---|---|
diazotiert wieder und kuppelt mit 3-Oxy-naphthoesaeure-(2)-anilid in sodaalkalischer Loesung; |
8-amino-2-naphthalenesulfonic acid
A
1,7-Dihydroxynaphthalene
B
8-amino-2-naphthol
C
8-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
at 260℃; unter Druck; |
8-amino-2-naphthalenesulfonic acid
benzo[h]quinolin-9-ol
Conditions | Yield |
---|---|
ueber Benzo<h>chinolin-9-sulfonsaeure; |
Conditions | Yield |
---|---|
With sodium hydroxide; water at 250 - 260℃; | |
With sodium hydroxide; water | |
With sodium hydroxide at 280 - 320℃; for 10h; Autoclave; |
8-amino-2-naphthalenesulfonic acid
8-hydroxy-5,7-dinitro-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite Diazotization.und Behandeln des Reaktionsprodukts mit Salpetersaeure; |
8-amino-2-naphthalenesulfonic acid
1-aminonaphthalene-2,4,7-trisulphonic acid
Conditions | Yield |
---|---|
With sulfuric acid |
8-amino-2-naphthalenesulfonic acid
7-sulfo-[1]naphthoic acid
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; bromine |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid |
8-amino-2-naphthalenesulfonic acid
8-ethanesulfonyl-naphthalene-2-sulfonic acid amide
Conditions | Yield |
---|---|
ueber 8-Aethylmercapto-naphthalin-2-sulfonsaeure-amid; | |
Multi-step reaction with 4 steps 1.1: potassium hydroxide; sulfuric acid; potassium nitrite / water / 0.75 h / 0 - 20 °C / Inert atmosphere 1.2: 3.08 h / 20 °C / Heating; Inert atmosphere 2.1: trichlorophosphate / 2 h / Reflux; Inert atmosphere 2.2: 20 °C / Cooling with ice; Inert atmosphere 3.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 24 h / 50 - 125 °C / Inert atmosphere 4.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere View Scheme |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With ethanol; nitrate radical | |
With sulfuric acid; sodium nitrite at 0℃; Kinetik der Bildung; |
8-amino-2-naphthalenesulfonic acid
acetic anhydride
8-acetylamino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With pyridine |
8-amino-2-naphthalenesulfonic acid
p-toluidine
8-p-toluidino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With p-toluidine hydrochloride at 160 - 170℃; |
2-diazo-1-(4-nitrophenyl)ethanone
8-amino-2-naphthalenesulfonic acid
benzoyl chloride
8-benzoylamino-naphthalene-2-sulfonic acid-(4-nitro-phenacyl ester)
Conditions | Yield |
---|---|
With copper dichloride |
8-amino-2-naphthalenesulfonic acid
acetic acid
8-acetylamino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With sodium acetate |
8-amino-2-naphthalenesulfonic acid
aniline hydrochloride
aniline
8-anilino-1-naphthalenesulfonic acid
Conditions | Yield |
---|---|
at 160 - 170℃; |
8-amino-2-naphthalenesulfonic acid
aniline
8-anilino-1-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With aniline hydrochloride at 160 - 170℃; |
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