China (Mainland)
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2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYDRATE, 98% CAS NO.20680-48-2
- Min.Order: 100 Gram
- Payment Terms: L/C,T/T,
- Product Details
Keywords
- 2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYDRATE
- 3-DIAZO-3,4-DIHYDRO-4-OXONAPHTHALENE-1-SULFONIC ACID HYDRATE
- 20680-48-2
Quick Details
- ProName: 2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYD...
- CasNo: 20680-48-2
- Molecular Formula: C10H6N2O4S
- Appearance: White powder
- Application: Adamantanes
- DeliveryTime: 2 weeks
- PackAge: in aluminium foil bag
- Port: China main port
- ProductionCapacity: 10 Metric Ton/Month
- Purity: 99%
- Storage: Room temperature
- Transportation: BY SEA, AIR OR EXPRESS
- LimitNum: 100 Gram
Superiority
2-Diazo-1,2-naphthoquinone-4-sulfonic acid;1,2-DIAZOXY NAPHTHALENE-4-SULPHOACID,=70.0%;DIAZO 74;3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid;2-Diazo-1-naphthol-4-sulfonic acid;2-diazonio-4-sulfo-naphthalen-1-olate;2-diazonio-4-sulfonaphthalen-1-olate;3-DIAZO-3,4-DIHYDRO-4-OXONAPHTHALENE-1-SULFONIC ACID HYDRATE
CAS number: 20680-48-2
Molecular formula: C10H6N2O4S
Molecular weight: 250.23
EINECS number: 243-965-5
1,2,4 - acid oxygen use and synthesis methods
Chemical yellow needle crystal. Its sodium salt melting point 168 ℃.
Use dye intermediates. For the synthesis of acid media dyes, azo dyes, nitro 1,2,4-acid diazo oxide.
Production methods from 1-amino-2-naphthol-4-sulfonic acid (1,2,4-acid) obtained by diazotization. The consumption of raw materials is fixed at 1052kg / t for 1,2,4-acid (40%), 320kg / t for sodium nitrite (96%), 11kg / t for copper sulfate (40%) 31kg / t.
Details
Henan Tianfu Chemical Co., Ltd is a high-tech enterprise, specializing in pharmaceutical intermediates, located in Zhengzhou High-tech Development Zone. We passed ISO 9001:2008 ub 2009, and won "High-tech Enterprise" by provincial government in 2013. Tianfu specializes in manufacuturing intermediates in areas such as Antitumor, Cardiocascular, central nervous system, diabetes, etc. Tianfu have established an efficient quality control system, owing standardization workshop. Also corportaes with Zhengzhou University, Henan University to establish an innovation practice base to omprove the innovatin ability.
Tianfu always adheres to the principle of "Live on High Quality" and puts the customer's interests first. Tianfu products have been exported to Europe and the United States, Japan, Korea, India and Latin America markets. Look forward to the future, Tianfu will keep improving the innovation ability to offer better products and service for more and more customers.