1-Diazo-2-naphthol-4-sulfonic acid

Suppliers

Names

[ CAS No. ]:
887-76-3

[ Name ]:
1-Diazo-2-naphthol-4-sulfonic acid

[Synonym ]:
2-hydroxy-4-sulfo-naphthalene-1-diazonium-betaine
4-Diazonio-3-hydroxy-naphthalin-1-sulfonat
2-Hydroxy-4-sulfo-naphthalin-1-diazonium-betain
4-Diazonio-3-hydroxynaphthalene-1-sulfonate
1 DIAZO-2-NAPHTHOL-4-SULPHONIC ACID
1-Naphthalenediazonium,2-hydroxy-4-sulfo-,innersalt
2-Hydroxy-4-sulfonato-1-naphthalenediazonium
4-Diazo-3-hydroxy-3,4-dihydro-1-naphthalenesulfonic acid
1,2-Naphthoxydiazde-4-sulfonicacid
1,2-Naphthoxydiazo-4-sulfonic acid
4,4'-azo-3-hydroxynaphthalene-1-sulphonate
EINECS 212-958-9
MFCD00012409
1-Naphthalenesulfonic acid, 4-diazo-3,4-dihydro-3-hydroxy-
1-Diazo-2-naphthol-4
4,4'-azo-3-hydroxynaphthalene-1-sulfonate
4-Diazo-3-hydroxy-3,4-dihydronaphthalene-1-sulfonic acid

Chemical & Physical Properties

[ Boiling Point ]:
160ºC

[ Melting Point ]:
160 °C (dec.)(lit.)

[ Molecular Formula ]:
C₁₀H₈N₂O₄S

[ Molecular Weight ]:
252.247

[ Flash Point ]:
微溶于水，溶于碱。

[ Exact Mass ]:
252.020477

[ PSA ]:
120.37000

[ LogP ]:
-0.58

[ Storage condition ]:
Flammables area

[ Water Solubility ]:
15.8 g/L (20 ºC)

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02, GHS05

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H228-H314

[ Precautionary Statements ]:
P210-P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
F:Flammable;C:Corrosive;

[ Risk Phrases ]:
R11;R34

[ Safety Phrases ]:
S16-S26-S36/37/39-S45-S48

[ RIDADR ]:
UN 2925 4.1/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
4.1

[ HS Code ]:
2927000090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2927000090

[ Summary ]:
2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Articles

Adsorption and Fenton-like degradation of naphthalene dye intermediate on sewage sludge derived porous carbon.

J. Hazard. Mater. 246-247 , 145-53, (2013)

A sewage sludge derived porous carbon (SC), which was prepared by physicochemical activation and carbonization (600°C), was applied for the adsorption and degradation of 1-diazo-2-naphthol-4-sulfonic ...

A comparative study of aerobically digested and undigested sludge in preparation of magnetic chars and their application in 1-diazo-2-naphthol-4-sulfonic acid adsorption

Bioresour. Technol. 136 , 719-24, (2013)

• Magnetic chars are prepared and characterized using aerobically digested and undigested sewage sludge. • Langmuir–Freundlich model is used to simulate their adsorption isotherm of 1,2,4-Acid. • Diff...