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CAS No.: | 106-45-6 |
---|---|
Name: | p-Toluenethiol |
Article Data: | 211 |
Molecular Structure: | |
Formula: | C7H8S |
Molecular Weight: | 124.207 |
Synonyms: | p-Toluenethiol(7CI,8CI);1-Mercapto-4-methylbenzene;4-Mercaptotoluene;4-Methyl-1-thiophenol;4-Methylbenzenethiol;4-Methylphenyl mercaptan;4-Methylphenylthiol;4-Methylthiophenol;4-Thiocresol;4-Toluenethiol;NSC2227;NSC 229565;p-Mercaptotoluene;p-Methylbenzenethiol;p-Methylbenzenthiol;p-Methylphenyl mercaptan;p-Methylphenylthiol;p-Methylthiophenol;p-Thiocresol;p-Tolyl mercaptan;p-Tolylthiol;Benzenethiol, 4-methyl-; |
EINECS: | 203-399-1 |
Density: | 1.049 g/cm3 |
Melting Point: | 84-86 °C |
Boiling Point: | 195 °C at 760 mmHg |
Flash Point: | 69.5 °C |
Solubility: | slightly soluble |
Appearance: | White or colorless solid melt |
Hazard Symbols: | XnXi |
Risk Codes: | R20/21/22;R36/37/38 |
Safety: | Poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic fumes of SOx. |
PSA: | 38.80000 |
LogP: | 2.28370 |
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; ethane-1,2-dithiol; potassium hydroxide In water; dimethyl sulfoxide at 90℃; for 20h; Temperature; Solvent; Reagent/catalyst; Inert atmosphere; | 99% |
With copper(ll) sulfate pentahydrate; ethane-1,2-dithiol; potassium hydroxide In water; dimethyl sulfoxide at 90℃; for 20h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; | 97% |
With sodiumsulfide nonahydrate; copper; ethane-1,2-dithiol In dimethyl sulfoxide at 100℃; for 20h; Inert atmosphere; Sealed tube; | 97% |
Conditions | Yield |
---|---|
With potassium sulfide; acetic acid; triphenylphosphine; zinc In chloroform; water at 60℃; for 0.5h; Solvent; Reagent/catalyst; | 97.5% |
With ISOPROPYLAMIDE; dimethylsilicon dichloride; zinc In 1,2-dichloro-ethane at 75℃; for 1.5h; | 96% |
With formic acid; 6% Pd/C; triphenylphosphine at 60℃; for 8h; | 92% |
Conditions | Yield |
---|---|
With indium; ammonium chloride In ethanol for 1h; Reduction; Heating; | 96% |
With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 35℃; for 0.25h; Reduction; | 95% |
With ammonia; aluminium; sodium chloride at 25℃; for 1h; | 94% |
Conditions | Yield |
---|---|
With iodine; triphenylphosphine In benzene for 0.166667h; Heating; | A 90% B 95% |
(4-methylpyridyl)(4-methylphenyl)sulfide
para-thiocresol
Conditions | Yield |
---|---|
With magnesium In methanol at 20℃; for 4h; | 92% |
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; sodium hydride; diethylamine In xylene for 6h; Heating; | 90% |
With sodium methylselenide In N,N-dimethyl-formamide for 8h; Heating; | 55% |
di(p-tolyl) disulfide
toluene-4-sulfonic acid
triphenylphosphine
A
para-thiocresol
B
Triphenylphosphine oxide
Conditions | Yield |
---|---|
In benzene for 23.5h; Product distribution; Mechanism; Heating; further reaction partners - various diaryl disulfides, diphenyl diselenide, tetrabutylammonium iodide, tributylphosphine; | A 90% B 90% |
Conditions | Yield |
---|---|
With iodine; triphenylphosphine In 1,4-dioxane; benzene for 2h; Heating; | 88% |
With hydrogenchloride; tin In water for 24h; Heating; | 81% |
Multi-step reaction with 2 steps 1: iodine; triphenylphosphine / ethanol / 2 h / Reflux; Green chemistry 2: indole; iodine; triphenylphosphine / ethanol / 2 h / Reflux; Green chemistry View Scheme | |
Multi-step reaction with 2 steps 1: sulfur dioxide / water / 9.5 h / 110 °C / Inert atmosphere 2: sodium tetrahydroborate; sodium hydroxide / water; tetrahydrofuran / 3 h / 65 - 67 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With 6% Pd/C; iodine; triphenylphosphine; isopropyl alcohol for 6h; Reflux; | 88% |
With triphenylphosphine; iodine In benzene for 2.5h; Heating; | 89 % Chromat. |
With diphosphorus pentasulfide; lithium aluminium tetrahydride 1.) sulfolane, 90 deg C for 24 h 2.) ether, room temperature for 30 min; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With potassium hydroxide In 1,4-dioxane Schlenk technique; Inert atmosphere; | A 83% B 75% |
IUPAC Name: 4-Methylbenzenethiol
Canonical SMILES: CC1=CC=C(C=C1)S
InChI: InChI=1S/C7H8S/c1-6-2-4-7(8)5-3-6/h2-5,8H,1H3
InChIKey: WLHCBQAPPJAULW-UHFFFAOYSA-N
Molecular Weight: 124.20342 [g/mol]
Molecular Formula: C7H8S
XLogP3: 2.9
EINECS: 203-399-1
Appearance: White or colorless solid melt
Melting Point: 84-86 °C
Index of Refraction: 1.577
Molar Refractivity: 39.25 cm3
Molar Volume: 118.3 cm3
Surface Tension: 37.8 dyne/cm
Density: 1.049 g/cm3
Flash Point: 69.5 °C
Enthalpy of Vaporization: 41.36 kJ/mol
Boiling Point: 195 °C at 760 mmHg
Vapour Pressure: 0.601 mmHg at 25 °C
storage temp.: Store at RT.
Water Solubility: slightly soluble
Sensitive: Stench
Product Categories of p-Toluenethiol (CAS NO.106-45-6): Intermediates; Phenol & Thiophenol & Mercaptan
p-Toluenethiol (CAS NO.106-45-6) is used in organic synthesis, and the synthesis of dyes, medicine, etc.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 200mg/kg (200mg/kg) | National Technical Information Service. Vol. AD277-689, |
Reported in EPA TSCA Inventory.
Poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic fumes of SOx.
Hazard Codes: Xi,Xn
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements:
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
RIDADR: 2811
WGK Germany: 3
RTECS: XT8925000
F: 13
Hazard Note: Harmful/Stench
HazardClass: 6.1
PackingGroup of p-Toluenethiol (CAS NO.106-45-6): III
DOT Classification: 3; Label: Flammable Liquid, Poison (UN 1228); DOT Class: 6.1; Label: Poison, Flammable Liquid (UN 3071)
p-Toluenethiol (CAS NO.106-45-6), its Synonyms are 4-Methylbenzenethiol ; 4-Methylphenyl mercaptan ; 4-Methylphenylmercaptan ; 4-Methylthiophenol ; 4-Thiocresol ; 4-Toluenethiol ; 1-Mercapto-4-methylbenzene ; Toluene, 4-mercapto- ; Benzenethiol, 4-methyl- ; p-Methylphenyl mercaptan ; p-Methylphenylmercaptan ; p-Methylthiophenol ; p-Thiocresol ; p-Tolyl mercaptan ; p-Tolylthiol ; p-Tolylthiophenol .