2-Naphthalenethiol

Modify Date: 2026-07-02 14:28:04

2-Naphthalenethiol Structure
2-Naphthalenethiol structure
 Common Name 2-Naphthalenethiol
CAS Number 91-60-1 Molecular Weight 160.236
Density 1.2±0.1 g/cm3 Boiling Point 286.0±0.0 °C at 760 mmHg
Molecular Formula C10H8S Melting Point 79-81 °C(lit.)
MSDS Chinese USA Flash Point 134.2±16.7 °C
Symbol GHS07
GHS07		 Signal Word Warning

Summary: 2-Naphthalenethiol, also known as 2-mercapto-1-naphthyl, has a molecular formula of C10H8S and a molecular weight of 160.236. It appears as nearly white to cream powder, with a melting point of 79-81°C, boiling point of 286.0°C, and a density of 1.2g/cm3. This compound can be used as a reactivator and anti-aging agent in rubber industry, as a plasticizer, and as an intermediate in organic synthesis. However, it is toxic and can cause dermatitis and ulcers. For research-use only, not for medical or clinical usage.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-Naphthalenethiol
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.2±0.1 g/cm3
Boiling Point 286.0±0.0 °C at 760 mmHg
Melting Point 79-81 °C(lit.)
Molecular Formula C10H8S
Molecular Weight 160.236
Flash Point 134.2±16.7 °C
Exact Mass 160.034668
PSA 38.80000
LogP 3.75
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.694
InChIKey RFCQDOVPMUSZMN-UHFFFAOYSA-N
SMILES Sc1ccc2ccccc2c1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QK3930000
CHEMICAL NAME :
2-Naphthalenethiol
CAS REGISTRY NUMBER :
91-60-1
BEILSTEIN REFERENCE NO. :
0636389
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C10-H8-S
MOLECULAR WEIGHT :
160.24
WISWESSER LINE NOTATION :
L66J CSH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
385 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 3,249,1980
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M0815 No. of Facilities: 23 (estimated) No. of Industries: 1 No. of Occupations: 5 No. of Employees: 455 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R20/21/22
Safety Phrases S36/37
RIDADR UN 3335 9
WGK Germany 3
RTECS QK3930000
HS Code 2930909090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles10

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Direct identification of on-bead peptides using surface-enhanced Raman spectroscopic barcoding system for high-throughput bioanalysis.

Sci. Rep. 5 , 10144, (2015)

Recently, preparation and screening of compound libraries remain one of the most challenging tasks in drug discovery, biomarker detection, and biomolecular profiling processes. So far, several distinc...

Exploring the boundaries of a light-driven molecular motor design: new sterically overcrowded alkenes with preferred direction of rotation.

Org. Biomol. Chem. 2(10) , 1531-41, (2004)

Insight in the steric and electronic parameters governing isomerization processes in artificial molecular motors is essential in order to design more advanced motor systems. A subtle balance of steric...

Protein separation and identification using magnetic beads encoded with surface-enhanced Raman spectroscopy.

Anal. Biochem. 391(1) , 24-30, (2009)

This article presents a prototype of a surface-enhanced Raman spectroscopy (SERS)-encoded magnetic bead of 8mum diameter. The core part of the bead is composed of a magnetic nanoparticle (NP)-embedded...

 2-NaphthalenethiolBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
Total 5, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-Naphthalenethiol
β-Mercaptonaphthalene
MFCD00004868
Naphthalen-2-thiol
EINECS 202-082-5
Naphthalene-2-thiol
β-Naphthalenethiol

 2-Naphthalenethiol | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of 2-Naphthalenethiol?
A: The English name of 2-Naphthalenethiol is 2-Naphthalenethiol.
Q: What is the InChIKey of 2-Naphthalenethiol?
A: InChIKey of 2-Naphthalenethiol is RFCQDOVPMUSZMN-UHFFFAOYSA-N.
Q: What is the CAS number of 2-Naphthalenethiol?
A: CAS number of 2-Naphthalenethiol is 91-60-1.
Q: What are the upstream materials of 2-Naphthalenethiol?
A: Related upstream materials(CAS) of 2-Naphthalenethiol: 580-13-2;93-11-8;3857-83-8;532-02-5;120-18-3;82884-32-0;1576-48-3;39689-37-7;135-19-3.
Q: What is the LogP of 2-Naphthalenethiol?
A: LogP of 2-Naphthalenethiol is 3.75.
Q: What is the polar surface area (PSA) of 2-Naphthalenethiol?
A: Polar surface area (PSA) of 2-Naphthalenethiol is 38.80000.
Q: What is the boiling point of 2-Naphthalenethiol?
A: Boiling point of 2-Naphthalenethiol is 286.0±0.0 °C at 760 mmHg.
Q: What are the downstream products of 2-Naphthalenethiol?
A: Related downstream products(CAS) of 2-Naphthalenethiol: 111220-26-9;18093-43-1;180901-21-7;23853-95-4;618-41-7;98-11-3;24599-55-1;3007-91-8;205-43-6;15861-51-5.
Q: What is the SMILES notation of 2-Naphthalenethiol?
A: SMILES notation of 2-Naphthalenethiol is Sc1ccc2ccccc2c1.
Q: What is the melting point of 2-Naphthalenethiol?
A: Melting point of 2-Naphthalenethiol is 79-81 °C(lit.).

 2-Naphthalenethiolfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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Chemsrc provides 2-Naphthalenethiol(CAS#:91-60-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 2-Naphthalenethiol are included as well.>> amp version: 2-Naphthalenethiol

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