ChemicalBook > CAS DataBase List > 2-Naphthalenethiol

2-Naphthalenethiol

Product Name
2-Naphthalenethiol
CAS No.
91-60-1
Chemical Name
2-Naphthalenethiol
Synonyms
NAPHTHALENE-2-THIOL;RPA 2;2-CHLOROBENZENEMETHANETHIOL;rpa2;rpano.2;renacit1;usafcy-4;Renacit 1;Rpa no. 2;USAF cy-4
CBNumber
CB8123370
Molecular Formula
C10H8S
Formula Weight
160.24
MOL File
91-60-1.mol
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2-Naphthalenethiol Property

Melting point:
79-81 °C (lit.)
Boiling point:
286 °C (lit.)
Density 
1.22
refractive index 
1.589-1.591
FEMA 
3314 | 2-NAPHTHALENTHIOL
Flash point:
69 °C
storage temp. 
Inert atmosphere,Room Temperature
solubility 
diethyl ether: very soluble(lit.)
form 
Powder
pka
6?+-.0.30(Predicted)
color 
Almost white to cream
Odor
at 0.10 % in propylene glycol. sulfurous rubbery meaty roasted woody creamy artichoke
Odor Type
sulfurous
Water Solubility 
Soluble in alcohol, dipropylene glycol. Soluble in water 34.4 mg/L @ 25°C.
Sensitive 
Air Sensitive
Merck 
14,6379
JECFA Number
531
BRN 
636389
LogP
3.75
CAS DataBase Reference
91-60-1(CAS DataBase Reference)
NIST Chemistry Reference
2-Naphthalenethiol(91-60-1)
EPA Substance Registry System
2-Naphthalenethiol (91-60-1)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
22-20/21/22
Safety Statements 
36/37
RIDADR 
UN 3335
WGK Germany 
3
RTECS 
QK3930000
F 
13
Hazard Note 
Harmful/Irritant
TSCA 
Yes
HS Code 
29309070
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H301Toxic if swalloed

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
270849
Product name
2-Naphthalenethiol
Purity
99%
Packaging
5g
Price
$66
Updated
2024/03/01
Sigma-Aldrich
Product number
270849
Product name
2-Naphthalenethiol
Purity
99%
Packaging
25g
Price
$204
Updated
2024/03/01
TCI Chemical
Product number
N0020
Product name
2-Naphthalenethiol
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$213
Updated
2024/03/01
TCI Chemical
Product number
N0020
Product name
2-Naphthalenethiol
Purity
>98.0%(GC)(T)
Packaging
250g
Price
$1913
Updated
2024/03/01
Alfa Aesar
Product number
A12125
Product name
2-Thionaphthol, 98+%
Packaging
10g
Price
$60.65
Updated
2024/03/01
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2-Naphthalenethiol Chemical Properties,Usage,Production

Description

2-Naphthalenthiol has a disagreeable mercaptan-like odor. May be prepared by catalytic hydrogenation of a sulfonic acid derivative of naphthalene; by reduction of naphthalenesulfonyl chloride with zinc.

Chemical Properties

2-Naphthyl mercaptan has a disagreeable sulfurous, mushroom, meaty odor

Chemical Properties

Almost white to cream powder

Uses

2-Thionaphthol was used in the preparation of cholesterol monolayer and multilayer Langmuir- Blodgett (LB) films. The magnetic resonance shift for a self-assembled monolayer of 2-naphthalenethiol was studied that suggested considerable promise in flexible and transparent photonic devices for biological and chemical sensing.

Preparation

By catalytic hydrogenation of a sulfonic acid derivative of naphthalene; by reduction of naphthalenesulfonyl chloride with zinc.

Definition

ChEBI: 2-Naphthalenethiol is a member of naphthalenes.

Taste threshold values

Taste characteristics at 10 ppm: sulfurous, meaty, brown, roasted, chicken, eggy with a slight nutty nuance

Synthesis Reference(s)

The Journal of Organic Chemistry, 31, p. 3980, 1966 DOI: 10.1021/jo01350a023
Tetrahedron Letters, 37, p. 4523, 1996 DOI: 10.1016/0040-4039(96)00873-8

General Description

The magnetic resonance shift for a self-assembled monolayer of 2-naphthalenethiol was studied that suggested considerable promise in flexible and transparent photonic devices for biological and chemical sensing.

Safety Profile

Poison by ingestion and intraperitoneal routes. A mosquito larvicide. When heated to decomposition it emits highly toxic fumes of SOx.

Purification Methods

It is steam volatile. It has to be distilled under Ar or N2, as it oxidises to the disulfide, and crystallises from EtOH. The S-methyl derivative has m 104-105o (from *C6H6/pet ether), and the S-ethyl derivative M 188.2, has m 16o and b 175-170.5o/15mm. The S-acetate has m 53.5o and b 191o/15mm, and the diethylamine salt forms yellow needles m 107o from dioxane. [Beilstein 6 H 657, 6 I 316, 6 II 610, 6 III 3006, 6 IV 4312.]

2-Naphthalenethiol Preparation Products And Raw materials

Raw materials

Sodium hydride N,N-Dimethylformamide Potassium hydroxide solution (-)-MENTHYL CHLOROFORMATE Ethanethiol Dimethylthiocarbamoyl chloride 2-Bromonaphthalene

Preparation Products

S-METHYL-S-(2-NAPHTHYL) SULFOXIMINE
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View Lastest Price from 2-Naphthalenethiol manufacturers

Henan Fengda Chemical Co., Ltd
Product
2-Naphthalenethiol 91-60-1
Price
US $10.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-28
Changzhou waston chemical technology Co.,Ltd
Product
2-Naphthalenethiol 91-60-1
Price
US $0.00/kg
Min. Order
1kg
Purity
90%
Supply Ability
10mt per month
Release date
2023-08-28
Zhuozhou Wenxi import and Export Co., Ltd
Product
2-Naphthalenethiol 91-60-1
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27

91-60-1, 2-NaphthalenethiolRelated Search:

2-Naphthol Thiourea 1,2-Ethanedithiol PENTACHLOROTHIOPHENOL PYRITHIOXIN DIHYDROCHLORIDE 1-Dodecanethiol Sodium thiomethoxide METHYL MERCAPTAN 4-Mercaptophenol 1-Naphthol Benzyl mercaptan 1-(1-NAPHTHYL)-2-THIOUREA PYRITHIOXIN Ethanethiol 2-CHLOROBENZYL MERCAPTAN,O-CHLOROBENZYL MERCAPTAN 1-NAPHTHALENETHIOL 4-Chlorobenzyl mercaptan, 98 %,4-CHLOROBENZYL MERCAPTAN,P-CHLOROBENZYL MERCAPTAN Thiophenol

  • 2-Metcaptonaphthalene
  • 2-Naphthyl thiol
  • 2-naphthylthiol
  • beta-Mercaptonaphthalene
  • beta-Naphthyl mercaptan
  • beta-naphthylmercaptan
  • mercaptanbeta-naphtalenique
  • naphthalenethiol(non-specificname)
  • Renacit 1
  • renacit1
  • RPA 2
  • Rpa no. 2
  • rpa2
  • rpano.2
  • Thio-2-naphthol (beta)
  • Thionaphthol
  • USAF cy-4
  • usafcy-4
  • Vulcamel TBN
  • vulcameltbn
  • Naphthalene-2-thiol 98%
  • 2-Mercaptonaphthalene Thio-2-naphthol
  • 2-Thionaphthol 98%
  • Naphthalene-2-thiol, 2-Naphthyl mercaptan, 2-Sulphanylnaphthalene
  • 2-Naphthalenethiol, 99% 5GR
  • 2- naphthalenedithiol
  • SPECS AQ-917/40186368
  • O-CHLOROTHIOANISOLE
  • NAPHTHALENE-2-THIOL
  • THIO-BETA-NAPHTHOL
  • THIO-2-NAPHTHOL
  • BETA-NAPHTHALENETHIOL
  • BETA-THIONAPHTHOL
  • 2-MERCAPTONAPHTHALENE
  • 2-CHLOROBENZENEMETHANETHIOL
  • 2-CHLOR-ALPHA-TOLUENETHIOL
  • 2-NAPTHTHYL MERCAPTAN
  • 2-NAPHTHYL MERCAPTAN
  • 2-NAPHTHALENETHIOL
  • 2-NAPHTHALENETHIOLE
  • 2-THIONAPHTHOL
  • 2-Thionaphthol, 98+%
  • beta-Thionaphenol
  • 2-Naphthalenethiol 99%
  • 2-NAPHTHALENTHIOL
  • Naphthalin-2-thiol
  • SS-THIONAPHTHOL
  • 2-Naphthyl mercaptan, Thio-2-naphthol (β)
  • 2-Naphthalenethiol,99%
  • 2-Naphthalenethiol&gt
  • 2-Naphthalenethiol ISO 9001：2015 REACH
  • β-Thionaphthol
  • 91-60-1
  • 39178-00-8
  • 90-60-1
  • Sulfur Compounds
  • Thiols/Mercaptans
  • Organic Building Blocks