ChemicalBook >> CAS DataBase List >>1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
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;Nitroso-Rsalt,tech.85%
- CBNumber:
- CB2101095
- Molecular Formula:
- C10H8NNaO8S2
- Molecular Weight:
- 357.28
- MDL Number:
- MFCD00003885
- MOL File:
- 525-05-3.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-27 23:51:21
| Product description | Number | Pack Size | Price |
| Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate >98.0%(T) | N0268 | 25g | $45 |
| Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate >98.0%(T) | N0268 | 500g | $532 |
| Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate | AAA52505 | 500g | $900 |
| Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate | AAA52505 | 250g | $900 |
| 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt | 73950 | 25g|GlassBottle | $86.47 |
| More product size | |||
| 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) |
| FDA UNII | 8197875CWH |
| 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 | TSCA listed | |||||||||
| HS Code | 29089990 | |||||||||
| NFPA 704 |
|
1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT price More Price(32)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | N0268 | Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate >98.0%(T) | 525-05-3 | 25g | $45 | 2026-04-30 | Buy |
| TCI Chemical | N0268 | Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate >98.0%(T) | 525-05-3 | 500g | $532 | 2026-04-30 | Buy |
| Biosynth | AAA52505 | Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate | 525-05-3 | 500g | $900 | 2026-06-04 | Buy |
| Biosynth | AAA52505 | Disodium 1-Nitroso-2-naphthol-3,6-disulfonate Monohydrate | 525-05-3 | 250g | $900 | 2026-06-04 | Buy |
| honeywell | 73950 | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt | 525-05-3 | 25g|GlassBottle | $86.47 | 2026-06-04 | 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
As a reagent for cobalt and potassium.
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
Global( 256)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21587 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29815 | 58 |
| Shenyang Simchoice Chemical Co.,Ltd | +86-024-23769576 +86-15040101888 | sales@simchoicechem.com | China | 254 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49979 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 +86-17392581500 | 1015@dideu.com | China | 3991 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23541 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52705 | 58 |
| Henan Alfa Chemical Co., Ltd | +8615838112936 | sale03@alfachem.cn | China | 9796 | 58 |
View Lastest Price from 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-03-20 | 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
525-05-3
|
1KG | 99% | 20 mt | Hebei Chuanghai Biotechnology Co., Ltd | ||
 |
2020-02-26 | 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
525-05-3
|
1KG | 98%+ | 100 tons | Shaanxi Dideu Medichem Co. Ltd | ||
 |
2019-07-06 | nitroso-R salt
525-05-3
|
$1.00 | 1kg | 95%-99% | 1000kg | Career Henan Chemical Co |
-
- 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
525-05-3
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
525-05-3
- 98%+
- Shaanxi Dideu Medichem Co. Ltd
-
- nitroso-R salt
525-05-3
- $1.00
- 95%-99%
- Career Henan Chemical Co
525-05-3(1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT)Related Search:
Cupric acetate monohydrate
Ethylenediaminetetraacetic acid
Potassium hydroxide
1-Propanol
CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE
1of3
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)
Disodium 1-nitroso-2-phthol-3,6-disulfote
1-Nitro-2-naphthol-3
3-hydroxy-4-nitrosonaphthalene-2,7-disulfonic acid, sodium salt
525-05-3
C10H5NNa2O8S2H2O
C10H5NNa2O8S2
C10H5NNa2O8S2xH2O
HOC10H4NOSO3Na2
