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 quantiti
Cas:87-02-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryProduct Name: J acid Synonyms: 7-amino-4-hydroxy-2-naphthalenesulfonicaci;kyselina6-amino-1-naftol-3-sulfonova;kyselinai;6-amino-1-naphthol-3-sulfonicacid(2-5-7);2-AMINO-5-HYDROXYNAPHTHALENE-7-SULFONIC ACID;2-AMINO-5-NAPHTHOL-7-SULFONIC ACID;7-
Cas:87-02-5
Min.Order:25 Kilogram
FOB Price: $7.0 / 9.5
Type:Trading Company
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:87-02-5
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiry1. Quality Our products meet MSDS safe standard and we have ISO and other certificate so yan can get high quality products from our company. 2. Price We are the company which is the joint of trade and industry so we cao provide the competiti
The 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:87-02-5
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:87-02-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryGIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
About Product Details J acid Chemical Properties density 1.4338 (rough estimate) vapor pressure 0Pa at 25℃
Cas:87-02-5
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Lab/Research institutions
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
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
WITH 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:87-02-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct name:J acid CAS#: 87-02-5 EINECS: 201-718-9 Molecular formula: C10H9NO4S Molecular weight:239.25 Appearance: grey powder Appearance:Grey to light brown powder Storage:Store in cool and dry place, away from sun light. Package: 25kg
Appearance:Grey to light brown powder Storage:R.T Package:25kg/Bag Application:As an important dye intermediate Transportation:Express/Sea/Air Port:Any port in China
Cas:87-02-5
Min.Order:1 Metric Ton
FOB Price: $3000.0 / 8300.0
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
J acid CAS: 87-02-5 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 intermediates, stero
Hello, 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
Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:87-02-5
Min.Order:10 Gram
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
Our 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:87-02-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
J&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:87-02-5
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:87-02-5
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:87-02-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Product 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:87-02-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
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
Shandong 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
1.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
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6-amino-naphthalene-1,3-disulfonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
durch Alkalischmelze; | |
With alkali at 180℃; |
Conditions | Yield |
---|---|
With sodium hydroxide anschliessend Erhitzen mit wss. Ammoniak und Schwefeldioxid; |
6-amino-naphthalene-1,3-disulfonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
at 160 - 180℃; |
pyridine
1-hydroxy-6-amino-3-naphthalenesulfonic acid
acetic anhydride
7-(acetylamino)-4-acetyloxynaphthalene-2-sulfonic acid pyridinium salt
Conditions | Yield |
---|---|
at 20℃; for 16h; | 99% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 7-amino-4-hydroxy-2-naphthalenesulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Stage #2: 7-amino-4-hydroxy-2-naphthalenesulfonic acid In water at 0 - 5℃; for 2h; pH=8 - 9; | 93.2% |
bis(trichloromethyl) carbonate
1-hydroxy-6-amino-3-naphthalenesulfonic acid
AMI-1
Conditions | Yield |
---|---|
With sodium hydroxide at 60℃; for 6h; pH=7 - 8; | 90% |
bis(trichloromethyl) carbonate
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium acetate In tetrahydrofuran; water | 88% |
With sodium acetate In tetrahydrofuran; sodium hydroxide; water |
Conditions | Yield |
---|---|
Stage #1: C7H5F2NO With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 7-amino-4-hydroxy-2-naphthalenesulfonic acid With sodium carbonate In water at 0 - 5℃; for 0.666667h; pH=7.5 - 8.5; | 85% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
diphenyl (4'-aminobiphenyl-4-ylamino)(pyridin-3-yl)methylphosphonate
7-amino-8-((4'-((diphenoxyphosphoryl)(pyridin-3-yl)methylamino)biphenyl-4-yl)diazenyl)-4-hydroxynaphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: diphenyl (4'-aminobiphenyl-4-ylamino)(pyridin-3-yl)methylphosphonate With hydrogenchloride; sodium nitrite In water at 0℃; Stage #2: 7-amino-4-hydroxy-2-naphthalenesulfonic acid With sodium hydroxide In water at 0℃; for 0.5h; | 83% |
Conditions | Yield |
---|---|
Stage #1: C8H8FNO2 With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 7-amino-4-hydroxy-2-naphthalenesulfonic acid With sodium carbonate In water at 0 - 5℃; for 0.666667h; pH=7.5 - 8.5; | 83% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate; sodium chloride In water 1.) 0-5 deg C, 3 h; 2.) 60 deg C; | 79% |
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
1,3,5-trichloro-2,4,6-triazine
2-amino-1-benzenesulfonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
2,4-Diaminobenzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 1,3,5-trichloro-2,4,6-triazine; 7-amino-4-hydroxy-2-naphthalenesulfonic acid With sodium hydroxide In water at 0 - 5℃; pH=5.6 - 6.5; Stage #2: With sodium carbonate In water at 3 - 5℃; for 5h; Stage #3: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate; 2-amino-1-benzenesulfonic acid; 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid; 2,4-Diaminobenzenesulfonic acid Further stages; | 77.1% |
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran at 20℃; for 12h; | 75% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
aniline
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
Conditions | Yield |
---|---|
With sodium metabisulfite at 100 - 110℃; pH=4-6; Reagent/catalyst; | 70.2% |
With sodium disulfite |
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran at 20℃; for 24h; | 70% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
methylamine
2-(N-methylamino)-5-hydroxynaphthalene-7-sulfonic acid
Conditions | Yield |
---|---|
With sodium metabisulfite at 100 - 110℃; pH=7 - 8; Reagent/catalyst; | 68.5% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
In water | 60.6% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 4,4'-Diaminostilbene dihydrochloride diazotization; Stage #2: 7-amino-4-hydroxy-2-naphthalenesulfonic acid | 43% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
C6H3ClIN2(1+)*Cl(1-)
C22H12Cl2I2N5O4S(1-)*Na(1+)
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0℃; for 2h; pH=9; | 42% |
1-hydroxy-6-amino-3-naphthalenesulfonic acid
urea
2-ureylen-di-N,N'-4-hydroxynaphthalene-2-sulphonic acid monosodium salt
Conditions | Yield |
---|---|
Stage #1: 7-amino-4-hydroxy-2-naphthalenesulfonic acid; urea In water at 100℃; for 16h; Inert atmosphere; Stage #2: With hydrogenchloride In water at 100℃; for 17h; Inert atmosphere; | 15% |
Conditions | Yield |
---|---|
Stage #1: 5-Nitro-2-aminophenol With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Stage #2: With aminosulfonic acid In water for 0.05h; Stage #3: 7-amino-4-hydroxy-2-naphthalenesulfonic acid In water at 10℃; for 2h; | 1.3% |
carbon disulfide
6-amino-4-hydroxy-2-naphthalenesulfonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With ethanol; sodium carbonate; sulfur |
carbon disulfide
1-amino-5-hydroxynaphthalene-7-sulphonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate; sulfur |
Conditions | Yield |
---|---|
With ethanol; sodium carbonate; sulfur |
phosgene
6-amino-4-hydroxy-2-naphthalenesulfonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate |
phosgene
1-amino-5-hydroxynaphthalene-7-sulphonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With water; sodium carbonate |
phosgene
1-hydroxy-6-amino-3-naphthalenesulfonic acid
1-methyl-2,6-diaminobenzene-4-sulphonic acid
Conditions | Yield |
---|---|
With water; sodium carbonate |
Conditions | Yield |
---|---|
With sodium carbonate |
phosgene
1-hydroxy-6-amino-3-naphthalenesulfonic acid
4-hydroxy-7-ureido-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With ammonia; water; sodium carbonate at 40 - 50℃; |
2-furancarbonyl chloride
1-hydroxy-6-amino-3-naphthalenesulfonic acid
7-(furan-2-carbonylamino)-4-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With diethyl ether; sodium acetate; sodium carbonate Reagens 4: Wasser;; |
benzenediazonium
1-hydroxy-6-amino-3-naphthalenesulfonic acid
7-amino-4-hydroxy-3-phenylazo-naphthalene-2-sulfonic acid
p-nitrobenzenediazonium
1-hydroxy-6-amino-3-naphthalenesulfonic acid
7,8-diamino-4-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With acetic acid Reduktion des entstandenen Monoazofarbstoffs mit Zinn und Salzsaeure; |
thiophosgene
6-amino-4-hydroxy-2-naphthalenesulfonic acid
1-hydroxy-6-amino-3-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate |
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