1-Naphthalenethiol
Synonym(s):α-Naphthalenethiol;1-Mercaptonaphthalene;1-Naphthylthiol;Naphthalene-1-thiol
- CAS NO.：529-36-2
- Empirical Formula: C10H8S
- Molecular Weight: 160.24
- MDL number: MFCD00039599
- EINECS: 208-462-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:41
What is 1-Naphthalenethiol?
Chemical properties
clear light yellow to yellow liquid
The Uses of 1-Naphthalenethiol
1-Thionaphthol is used to produce the di-[1]naphthyl disulfide. It is also used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.
The Uses of 1-Naphthalenethiol
1-NAT can be used as a model analyte to characterize the performance of the surface enhanced raman scattering (SERS).
General Description
1-Naphthalenethiol (1-NAT) is a standard analyte that can be diffused in the polymeric network for the detection of optical properties.
Purification Methods
It is steam volatile and is purified by distillation in the absence of O2, as it oxidises to the disulfide. It is soluble in Et2O and EtOH but very slightly soluble in H2O and dilute alkalis. The S-ethyl derivative, [17539-31-0] M 188.2, has b 175-176o/25mm, and do 1.120. [Beilstein 6 III 2943, 6 IV 4241.]
Properties of 1-Naphthalenethiol
| Melting point: | 15 °C |
| Boiling point: | 131 °C (5 mmHg) |
| Density | 1.15 |
| refractive index | 1.679-1.681 |
| Flash point: | >110°C |
| pka | 6?+-.0.30(Predicted) |
| form | Liquid |
| color | Clear light yellow to yellow |
| Water Solubility | Soluble in diethyl ether and ethanol. Slightly soluble in water and dilute alkalis. |
| EPA Substance Registry System | 1-Naphthalenethiol (529-36-2) |
Safety information for 1-Naphthalenethiol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
Computed Descriptors for 1-Naphthalenethiol
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