1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
- CAS NO.：525-05-3
- Empirical Formula: C10H8NNaO8S2
- Molecular Weight: 357.28
- MDL number: MFCD00003885
- EINECS: 208-369-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-07-28 13:44:10
What is 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT?
Chemical properties
YELLOWISH-ORANGE TO YELLOW-BROWN CRYST. POWDER
The Uses of 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
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.
The Uses of 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
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.]
Properties of 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
| 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 information for 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 1-NITROSO-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
Abamectin manufacturer
Arnish Laborates Pvt Ltd
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GSP Dyes and Chemicals Pvt.Ltd
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Phone:+91-2228144802
product: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid sodium salt (1:2) 525-05-3 98%
Anubhav Business Corporation
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Phone:+91-2228014999
product: 525-05-3 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid sodium salt (1:2) 98%
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