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1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT

1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Structure
CAS No.
525-05-3
Chemical Name:
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
Synonyms
nitrosor;Nitroso R Sa;NITROSO-R-SALT;1-nitroso-r-salt;Nitroso-R-SaltGr;Nitroso red salt;Nitroso-RSalt>95%;NITROSO-R-SALT AR;Nitroso-Rsalt,tech.85%;LABOTEST-BB LT00454615
CBNumber:
CB2101095
Molecular Formula:
C10H8NNaO8S2
Molecular Weight:
357.28
MOL File:
525-05-3.mol
MSDS File:
SDS
Modify Date:
2023/7/28 13:44:10

1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Properties

Melting point >300 °C(lit.)
solubility Slightly soluble in methanol and ethanol.
form Crystalline Powder
color Yellow to orange
Water Solubility almost transparency
Merck 14,6644
BRN 3643930
CAS DataBase Reference 525-05-3(CAS DataBase Reference)
EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt (525-05-3)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332-H315-H319-H335
Precautionary statements  P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xn
Risk Statements  20/21/22
Safety Statements  22-24/25
WGK Germany  3
RTECS  QJ6480000
TSCA  Yes
HS Code  29089990
NFPA 704
1
2 0

1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemicals (India) N0268 Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate 525-05-3 25G ₹4000 2022-05-26 Buy
TCI Chemicals (India) N0268 Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate 525-05-3 500G ₹34500 2022-05-26 Buy
SRL 43713 Nitroso R-Salt extrapure AR 525-05-3 25Gms ₹410 2022-05-26 Buy
SRL 43713 Nitroso R-Salt extrapure AR 525-05-3 100Gms ₹1230 2022-05-26 Buy
Product number Packaging Price Buy
N0268 25G ₹4000 Buy
N0268 500G ₹34500 Buy
43713 25Gms ₹410 Buy
43713 100Gms ₹1230 Buy

1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Chemical Properties,Uses,Production

Chemical Properties

YELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER

Uses

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.

Purification Methods

Purify the salt by dissolution in aqueous alkali and precipitation by addition of HCl. The pKa is 7.13. [Oka & Miyamoto J Chem Soc Jpn (Pure Chem Sectn) 76 672 1955 (Chem Abstr 11882 1956I), Beilstein 11 IV 669.]

1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT Preparation Products And Raw materials

Raw materials

Preparation Products

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LABOTEST-BB LT00454615 DISODIUM 1-NITROSO-2-NAPHTHOL-3,6-DISULFONATE DISODIUM 3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONATE 3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT 1-Nitroso-2-naphthol-3,6-disul 1-Nitroso-2-naphthol-3,6-disulfonicacidsodiumsalt 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT 2-HYDROXY-1-NITROSO-3,6-NAPHTHALENEDISULFONIC ACID DISODIUM SALT NITROSO-R-SALT 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-nitroso-,disodiumsalt Nitroso-Rsalt,tech.85% 1-Nitroso-2-hydroxynaphthalene-3,6-disulfonic acid, sodium salt 1-Nitroso-2-naphthol-3,6-disulfonic acid, disodium salt hydrate, indicator grade, pure 1-nitroso-r-salt 1-nitroso-3,6-disulfonate Nitroso-R salt, tech. 85% 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, Nitroso-R salt 1-Nitroso-2-naphthol-3,6-disulfonic acid hydrate disodium salt Nitroso-R salt, Nitroso-R-salt, 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt 3-Hydroxy-4-nitrosonaphthalene-2,7-bis(sulfonic acid sodium) salt 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+% 1-Nitroso-2-naphthol-3,6-disulfonic acid, disodium salt hydrate,98% 1-Nitroso-2-naphthol-3,6-disulfonic acid, disodium salt hydrate,pure,indicator grade 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt,95%,pract. 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt Disodium 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonate 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid sodium salt 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT HYDRATE INDICATOR GADE DisodiuM 1-Nitroso-2-naphthol-3,6-disulfonate  7-naphthalenedisulfonicacid,3-hydroxy-4-nitroso-disodiumsalt nitrosor disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulphonate Nitroso-RSalt>95% Hydroxy-4-Nitroso-2,7NaphthalenedisulfonicAcidSodiumSalt-Nitroso-R-Salt Nitroso-R-SaltGr Disodium 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonate 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic Acid Disodium Salt 1-Nitroso-2-naphthol-3,6-disulfonic Acid Disodium Salt Nitroso R Salt 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodiuM salt, for analysis SodiuM 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate Nitroso red salt Nitroso R Sa NITROSO R SALTNITROSO R SALTNITROSO R SALT 1-Nitroso-2-naphthol-3 1-Nitro-2-naphthol-3,6—disulfonic acid disodium salt Disodium1-Nitroso-2-naphthol-3,6-disulfonateMonohydrate> 3-Hydroxy-4-nitroso-2,7-naphthaL fonic acid disodium saL Nitroso R-Salt extrapure AR NITROSO-R-SALT AR Disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid sodium salt (1:2) 525-05-3 C10H5NNa2O8S2H2O C10H5NNa2O8S2 C10H5NNa2O8S2xH2O HOC10H4NOSO3Na2 C10H5NO8S22Na ONC10H4SO3Na2OH ONC10H4OHSO3Na2xH2O