1,6-Dihydroxynaphthalene
Synonym(s):1,6-Naphthalenediol
- CAS NO.：575-44-0
- Empirical Formula: C10H8O2
- Molecular Weight: 160.17
- MDL number: MFCD00003981
- EINECS: 209-386-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is 1,6-Dihydroxynaphthalene?
Chemical properties
Beige powder
Definition
ChEBI: Naphthalene-1,6-diol is a naphthalenediol.
Synthesis
1,6-Naphthalenediol [575-44-0], mp 138℃, is synthesized by caustic fusion of naphthalene1,6-disulfonic acid at 330 C. It couples with diazotized anilines to form disazo and trisazo derivatives.
Purification Methods
Crystallise it from *benzene or *benzene/EtOH after treatment with charcoal. [Beilstein 6 IV 6557.]
Properties of 1,6-Dihydroxynaphthalene
| Melting point: | 130-133 °C (lit.) |
| Boiling point: | 246.06°C (rough estimate) |
| Density | 1.0924 (rough estimate) |
| refractive index | 1.5418 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | very faint turbidity in Methanol |
| pka | 9.26±0.40(Predicted) |
| form | Powder or Crystalline Powder |
| color | White to brown |
| BRN | 1939032 |
| CAS DataBase Reference | 575-44-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,6-Naphthalenediol(575-44-0) |
| EPA Substance Registry System | 1,6-Naphthalenediol (575-44-0) |
Safety information for 1,6-Dihydroxynaphthalene
| 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,6-Dihydroxynaphthalene
| InChIKey | FZZQNEVOYIYFPF-UHFFFAOYSA-N |
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product: 1,6-Dihydroxynaphthalene 99%
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