A3186412
1,5-Dihydroxynaphthalene , 98% , 83-56-7
Synonym(s):
1,5-Naphthalenediol
CAS NO.：83-56-7
Empirical Formula: C10H8O2
Molecular Weight: 160.17
MDL number: MFCD00003980
EINECS: 201-487-4
| Pack Size | Price | Stock | Quantity |
| 25G | RMB24.00 | In Stock |
|
| 100G | RMB47.20 | In Stock |
|
| 500G | RMB195.20 | In Stock |
|
| 2.5kg | RMB775.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 259-261 °C (dec.) (lit.) |
| Boiling point: | 246.06°C (rough estimate) |
| Density | 1.0924 (rough estimate) |
| vapor pressure | 0-0Pa at 25℃ |
| refractive index | 1.5418 (estimate) |
| Flash point: | 252°C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | 0.6g/l |
| form | Solid |
| pka | 9.28±0.40(Predicted) |
| color | Pale Beige to Very Dark Brown |
| PH | 6 (0.5g/l, H2O, 20℃) |
| Water Solubility | Soluble in water. |
| BRN | 2044951 |
| LogP | 1.7-1.82 at 23℃ |
Description and Uses
1,5-Dihydroxynaphthalene is an intermediate of synthetic mordant azo dyes. It is an intermediate used in organic synthesis, pharmaceuticals, dyestuff fields and photograph industry. It is used as a coupling component in azo dyes as exemplified in the metallizable (Cr) wool dye, C.I. Mordant Black 9.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H319 |
| Precautionary statements | P264-P270-P280-P301+P312-P305+P351+P338-P337+P313 |
| Hazard Codes | Xn,N,Xi |
| Risk Statements | 22-51/53-36-36/37/38 |
| Safety Statements | 22-24/25-61-39-29-26 |
| WGK Germany | 2 |
| RTECS | QJ4740000 |
| F | 8-21 |
| TSCA | Yes |
| HS Code | 29072900 |
