2-naphthyl mercaptan

2-naphthalenethiol

CAS: 91-60-1 C10 H8 S MW: 160.23876000 sulfurous sulfurous

Identification

Name2-naphthyl mercaptan
IUPACnaphthalene-2-thiol
CAS Number91-60-1
EINECS202-082-5
FDA UNIISZ5U1S741V
Molecular FormulaC10 H8 S
Molecular Weight160.23876000
MDL NumberMFCD00004086
Nikkaji NumberJ60.031H
Beilstein0636389
CoE Number2330
XlogP33.70 (est)

Regulatory

JECFA Food Flavoring531 2-naphthalenethiol
DG SANTE Food Flavourings12.033 naphthalene-2-thiol
FEMA Number3314
FDANo longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF)91-60-1 ; 2-NAPHTHALENTHIOL

Physical Properties

Appearance colorless crystals (est)
Assay 97.00 to 100.00
Food Chemicals Codex Listed No
Melting Point 79.00 to 83.00 °C. @ 760.00 mm Hg
Boiling Point 286.00 to 288.00 °C. @ 760.00 mm Hg, 210.00 to 211.00 °C. @ 100.00 mm Hg
Vapor Pressure 0.005000 mmHg @ 25.00 °C. (est)
Flash Point 273.00 °F. TCC ( 133.89 °C. )
logP (o/w) 3.511 (est)
Soluble in alcohol
Insoluble in water
Similar Items note

Organoleptic Properties

Odor Description
at 0.10 % in propylene glycol.
Sulfureous, oily, brown, brothy, meaty, rubbery, mushroom-like
Odor sample from Sigma-Aldrich
Taste Description at 10.00 ppm.

Safety Information

Preferred SDSView
European informationMost important hazard(s):
Oral/Parenteral Toxicityintraperitoneal-mouse LD50 200 mg/kg
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryflavoring agents
Recommendation for 2-naphthyl mercaptan usage levels up tonot for fragrance use.
baked goods-
beverages(nonalcoholic)-
beverages(alcoholic)-
breakfast cereal-
cheese-
chewing gum-
condiments / relishes-
confectionery froastings-
egg products-
fats / oils-
fish products-
frozen dairy-
fruit ices-
gelatins / puddings-
granulated sugar-
gravies-
hard candy-
imitation dairy-
instant coffee / tea-
jams / jellies-
meat products-
milk products-
nut products-
other grains-
poultry-
processed fruits-
processed vegetables-
reconstituted vegetables-
seasonings / flavors-
snack foods-
soft candy-
soups-
sugar substitutes-
sweet sauces-

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Potential Uses

FL chicken FL egg FL meat FL nut FL smoke

Natural Occurrence

not found in nature

Synonyms

2- mercaptonaphthalene beta- mercaptonaphthalene naphthalen-2-thiol 2- naphthalene thiol beta- naphthalene thiol naphthalene-2-thiol 2- naphthalenethiol beta- naphthalenethiol 2- naphthyl hydrosulfide beta- naphthyl mercaptan 2- naphthyl thiol thio-2-naphthol 2- thionaphthol 2- thionapthol PubMed: Transparent free-standing metamaterials and their applications in surface-enhanced Raman scattering. PubMed: Accessible gold clusters using calix[4]arene N-heterocyclic carbene and phosphine ligands. PubMed: Compact large area and high-quality Au film with a hierarchical structure and its application in SERS. PubMed: Au nanoparticle-encapsulated hydrogel substrates for robust and reproducible SERS measurement. PubMed: Ag44(SR)30(4-): a silver-thiolate superatom complex. PubMed: Flexible visible-infrared metamaterials and their applications in highly sensitive chemical and biological sensing. PubMed: A bioinspired approach for controlling accessibility in calix[4]arene-bound metal cluster catalysts. PubMed: Metal-cluster catalysts: Access granted. PubMed: Mechanistic investigation into the spontaneous linear assembly of gold nanospheres. PubMed: Evolution of new enzymatic function by structural modulation of cysteine reactivity in Pseudomonas fluorescens isocyanide hydratase. PubMed: Copper protection by self-assembled monolayers of aromatic thiols in alkaline solutions. PubMed: SERS decoding of micro gold shells moving in microfluidic systems. PubMed: A multi-technique approach to the analysis of SAMs of aromatic thiols on copper. PubMed: Friction of polyaromatic thiol monolayers in adhesive and nonadhesive contacts. PubMed: Encapsulation of zinc oxide nanorods and nanoparticles. PubMed: Synthesis and characterization of accessible metal surfaces in calixarene-bound gold nanoparticles. PubMed: Protein separation and identification using magnetic beads encoded with surface-enhanced Raman spectroscopy. PubMed: Silica-void-gold nanoparticles: temporally stable surface-enhanced Raman scattering substrates. PubMed: S-arylcysteine-keratin adducts as biomarkers of human dermal exposure to aromatic hydrocarbons. PubMed: Electron transfer studies on cholesterol LB films assembled on thiophenol and 2-naphthalenethiol self-assembled monolayers. PubMed: Structure-activity relationship, kinetic mechanism, and selectivity for a new class of ubiquitin C-terminal hydrolase-L1 (UCH-L1) inhibitors. PubMed: Structure-activity relationship studies of gonadotropin-releasing hormone antagonists containing S-aryl/alkyl norcysteines and their oxidized derivatives. PubMed: Surface-enhanced Raman spectroscopic-encoded beads for multiplex immunoassay. PubMed: Rotational polymorphism in 2-naphthalenethiol SAMs on Au(111). PubMed: Structural changes in self-assembled monolayers initiated by ultraviolet light. PubMed: Scanning tunneling microscopy, Fourier transform infrared spectroscopy, and electrochemical characterization of 2-naphthalenethiol self-assembled monolayers on the Au surface: a study of bridge-mediated electron transfer in Ru(NH3)6(2+)/Ru(NH3)6(3+) redox reactions. PubMed: Role of nanoparticle surface charge in surface-enhanced Raman scattering. PubMed: [Alkaline phosphatase in Amoeba proteus]. PubMed: Surface-enhanced raman scattering on dendrimer/metallic nanoparticle layer-by-layer film substrates. PubMed: Surface-enhanced Raman scattering for ultrasensitive chemical analysis of 1 and 2-naphthalenethiols. PubMed: Exploring the boundaries of a light-driven molecular motor design: new sterically overcrowded alkenes with preferred direction of rotation. PubMed: Non-thiol farnesyltransferase inhibitors: evaluation of different AA(X)-peptidomimetic substructures in combination with arylic cysteine replacements. PubMed: Design consideration and probes for fluorescence resonance energy transfer studies. PubMed: Immunoassay readout method using extrinsic Raman labels adsorbed on immunogold colloids. PubMed: Conformationally restricted analogues of trimethoprim: 2,6-diamino-8-substituted purines as potential dihydrofolate reductase inhibitors from Pneumocystis carinii and Toxoplasma gondii. PubMed: Comparative Studies of Cathodically-Promoted and Base-Catalyzed Michael Addition Reactions of Levoglucosenone. PubMed: Biosynthesis of heparan sulfate on beta-D-xylosides depends on aglycone structure. PubMed: Oxidation of thiols by sodium N-haloarylsulphonamides. PubMed: N-[(arylmethoxy)phenyl] and N-[(arylmethoxy)naphthyl] sulfonamides: potent orally active leukotriene D4 antagonists of novel structure. PubMed: The localization and some properties of the acetylsalicylic acid O-deacetylases of Ascaris lumbricoides var suum and Moniezia expansa.