ChemicalBook > CAS DataBase List > 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT

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

Product Name: 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
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;1-Nitro-2-naphthol-3;LABOTEST-BB LT00454615
CBNumber: CB2101095
Molecular Formula: C10H8NNaO8S2
Formula Weight: 357.28
MOL File: 525-05-3.mol

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

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
InChI: InChI=1S/C10H7NO8S2.Na.H/c12-10-8(21(17,18)19)4-5-3-6(20(14,15)16)1-2-7(5)9(10)11-13;;/h1-4,12H,(H,14,15,16)(H,17,18,19);;
InChIKey: YSJIUHZRNBXDKS-UHFFFAOYSA-N
SMILES: N(C1=C(C(S(O)(=O)=O)=CC2=CC(S(O)(=O)=O)=CC=C12)O)=O.[NaH]
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)

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Safety

Hazard Codes: Xn
Risk Statements: 20/21/22
Safety Statements: 22-24/25
WGK Germany: 3
RTECS: QJ6480000
TSCA: Yes
HS Code: 29089990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical

Product number: N0268
Product name: Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate
Purity: >98.0%(T)
Packaging: 25g
Price: $45
Updated: 2025/07/31

TCI Chemical

Product number: N0268
Product name: Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate
Purity: >98.0%(T)
Packaging: 500g
Price: $532
Updated: 2025/07/31

GFS CHEMICALS

Product number: 54001
Product name: NITROSORSALT
Packaging: 100g
Price: $82.43
Updated: 2021/12/16

AK Scientific

Product number: 5794AF
Product name: Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate
Packaging: 1g
Price: $27
Updated: 2021/12/16

AK Scientific

Product number: J57420
Product name: Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate
Packaging: 500g
Price: $552
Updated: 2021/12/16

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

Uses

As a reagent for cobalt and potassium.

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

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View Lastest Price from 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT 525-05-3
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2024-12-02

Shaanxi Dideu Medichem Co. Ltd

Product: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt 525-05-3
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%+
Supply Ability: 100 tons
Release date: 2020-01-13

Career Henan Chemical Co

Product: nitroso-R salt 525-05-3
Price: US $1.00/kg
Min. Order: 1kg
Purity: 95%-99%
Supply Ability: 1000kg
Release date: 2018-12-25

525-05-3, 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALTRelated Search:

Cupric acetate monohydrate Ethylenediaminetetraacetic acid Potassium hydroxide 1-Propanol CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Carvacrol NITRO RED 3-Hydroxynaphthalene-2,7-disulphonic acid 2-Naphthol 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT MONOHYDRATE,1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT HYDRATE Disodium 2-naphthol-3,6-disulfonate 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT 1-Nitroso-2-naphthol

LABOTEST-BB LT00454615

DISODIUM 1-NITROSO-2-NAPHTHOL-3,6-DISULFONATE

DISODIUM 3-HYDROXY-4-NITROSO-2,7-NAPHTHALENEDISULFONATE

NITROSO R SALTNITROSO R SALTNITROSO R SALT

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&nbsp

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

1-Nitroso-2-naphthol-3

1-Nitro-2-naphthol-3,6—disulfonic acid disodium salt

Nitroso R Sa

Disodium1-Nitroso-2-naphthol-3,6-disulfonateMonohydrate&gt

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)

Disodium 1-nitroso-2-phthol-3,6-disulfote

1-Nitro-2-naphthol-3

525-05-3

C10H5NNa2O8S2H2O

C10H5NNa2O8S2

C10H5NNa2O8S2xH2O

HOC10H4NOSO3Na2

C10H5NO8S22Na