HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium 2-diazo-1-naphthol-5-sulfonate
NA-125 · DIAZO 10 · Diazosalt · 2-Diazo-1-Naphthol-5-Sulfonic · Sodium 2-diazo-1-naphthol-5-sulfonate · [Research for Photosensitive Material] · 2-Dinzo-1-oxo-5-Naphttalehe sulfonic acid · sodium 2,1-diazonaphthol-5-sulfonate hydrate
Identifiers & Physical Properties
| CAS No. | 2657-00-3 |
|---|---|
| Molecular formula | C10H6N2O4S.Na |
| Average molar mass | 273.22 g/mol |
| SMILES | N#[N+]c1ccc2c(S(=O)(=O)[O-])cccc2c1[O-].[Na+] |
| PubChem CID | 75868 |
| ChEMBL | CHEMBL3187993 |
Chemical & Physical Properties
| Density | 1.73 at 20℃ |
|---|---|
| Vapor pressure | 0.01-1Pa at 20-50℃ |
| Physical state | Solid:crystalline |
| Color | Brown |
| Stability | Stable, but may be light sensitive. Incompatible with acids, bases, strong oxidizing agents. Highly flammable - self-reactive solid type D. |
| LogP (partition coefficient) | -3.5 at 20℃ and pH4.2 |
| CAS DataBase Reference | 2657-00-3(CAS DataBase Reference) |
| FDA UNII | 0G0B8Q99QX |
| EPA Substance Registry System | 6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic acid sodium salt (2657-00-3) |
| GHS pictogram | GHS07 |
| Signal word | Warning |
| GHS hazard statements | H317-H319-H412 |
| GHS precautionary statements | P261-P272-P280-P264-P273-P302+P352-P333+P313-P362+P364-P305+P351+P338-P337+P313-P501 |
| Hazard symbols | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-26-33-36 |
| UN transport number | UN 3226 4.1 |
| Water hazard class (WGK) | 2 |
| F | 4.11 |
| TSCA inventory status | TSCA listed |
| REACH registrations | Inactive |
Safety & Regulations
| F | 4.11 |
|---|---|
| Water hazard class (WGK) | 2 |
| TSCA inventory status | TSCA listed |
| UN transport number | UN 3226 4.1 |
| Risk statements (R) | 11 |
| Signal word | Warning |
| GHS pictogram | GHS07 |
| Hazard symbols | F |
| Safety statements (S) | 16-26-33-36 |
| GHS hazard statements | H317-H319-H412 |
| REACH registrations | Inactive |
| GHS precautionary statements | P261-P272-P280-P264-P273-P302+P352-P333+P313-P362+P364-P305+P351+P338-P337+P313-P501 |
Applications & Uses
Uses
2-Diazo-1-naphthol-5-sulfonic Acid Sodium Salt is a useful research chemical, used in polymer fllms to measure large photoinduced refractive index changes.
General Description
A white to light colored solid substance. Insoluble in water and denser than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion. May ignite and burn with an intense flame if exposed to high temperatures or flame.