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Cas Database

Name	Triphenylmethyl mercaptan	EINECS	223-020-3
CAS No.	3695-77-0	Density	1.119 g/cm³
PSA	38.80000	LogP	4.90830
Solubility	insoluble in water	Melting Point	104-106 °C(lit.)
Formula	C19H16 S	Boiling Point	403.8 °C at 760 mmHg
Molecular Weight	276.402	Flash Point	166.5 °C
Transport Information	N/A	Appearance	yellow-tan Powder
Safety	Poison by intravenous route. When heated to decomposition it emits toxic fumes of SO_x. See also SULFIDES.	Risk Codes	20
Molecular Structure		Hazard Symbols	Xn
Synonyms	Methanethiol,triphenyl- (7CI,8CI); Hydrotriphenylsulfur; NSC 22520; Triphenylmethanethiol;Triphenylmethyl mercaptan; Triphenylmethylthiol; Trityl mercaptan; Tritylthiol;a,a-Diphenylbenzenemethanethiol	Article Data	24

Triphenylmethyl mercaptan Synthetic route

: 76-84-6
triphenylmethyl alcohol

: 3695-77-0
triphenylmethanethiol

Conditions

Conditions	Yield
With Lawessons reagent In 1,2-dimethoxyethane for 15h; Mechanism; Ambient temperature; various alcohols, other solvents, other temperatures;	100%
With Lawessons reagent In toluene for 0.2h; Quantum yield; Heating; DME, room temperature;	100%
With Lawessons reagent In 1,2-dimethoxyethane for 15h; Ambient temperature;	100%

: N-methyl-3-(tritylthio)-maleimide

: 3695-77-0
triphenylmethanethiol

Conditions

Conditions	Yield
With DL-dithiothreitol; triethylamine In tetrahydrofuran; water at 20℃; for 0.25h;	96%

: 1727-15-7
trityl thioacetic acid

: 3695-77-0
triphenylmethanethiol

Conditions

Conditions	Yield
With methanol; tetra-n-butylammonium cyanide In chloroform at 20℃; for 3h;	92%

: trans-2-chloro-1-(triphenylmethyldithio)cyclohexane

A: 3695-77-0
triphenylmethanethiol

B: 76-83-5
trityl chloride

C: C12H20Cl2S4

Conditions

Conditions	Yield
In ethyl acetate for 13h; Heating;	A 26% B 23% C 69%

: 80345-24-0
endo-2-chloro-exo-1-(triphenylmethyldithio)bicyclo<2.2.1>heptane

A: 3695-77-0
triphenylmethanethiol

B: 76-83-5
trityl chloride

C: di<(2-chloro)-1-norbornyl>tetrasulfide

Conditions

Conditions	Yield
In ethyl acetate for 40h; Heating;	A 21% B 19% C 68%

: 1277170-50-9
(1,1-dimethylethyl)dimethyl[[(triphenylmethyl)thio]methoxy]silane

: 3695-77-0
triphenylmethanethiol

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride In tetrahydrofuran at -78℃; for 0.25h;	68%
With tetrabutyl ammonium fluoride In tetrahydrofuran at -78 - -10℃; for 0.3h;	68%

: trans-2-chloro-1-(triphenylmethyltrithio)cyclopentane

A: 3695-77-0
triphenylmethanethiol

B: 76-83-5
trityl chloride

C: C10H16Cl2S4

Conditions

Conditions	Yield
In ethyl acetate for 10h; Heating;	A 27% B 19% C 67%

: trans-2-chloro-1-(triphenylmethyldithio)cyclopentane

A: 3695-77-0
triphenylmethanethiol

B: 76-83-5
trityl chloride

C: C10H16Cl2S4

Conditions

Conditions	Yield
In ethyl acetate for 8h; Heating;	A 24% B 20% C 65%

: trans-2-chloro-1-(triphenylmethyltrithio)cyclohexane

A: 3695-77-0
triphenylmethanethiol

B: 76-83-5
trityl chloride

C: C12H20Cl2S4

Conditions

Conditions	Yield
In ethyl acetate for 15h; Heating;	A 28% B 21% C 65%

: 513-81-5
2,3-dimethyl-buta-1,3-diene

A: 3695-77-0
triphenylmethanethiol

B: 18655-88-4
1,2-dithia-4,5-dimethyl-4-cyclohexene

C: 139174-04-2
1,2,3,4-tetrathia-6,7-dimethyl-6-cyclooctene

D: C12H20Cl2S4

Conditions

Conditions	Yield
With trans-2-chloro-1-(triphenylmethyltrithio)cyclohexane In ethyl acetate for 15h; Heating; Further byproducts given;	A 29% B 8% C 63% D 12%
With trans-2-chloro-1-(triphenylmethyldithio)cyclohexane In ethyl acetate for 10h; Heating; Further byproducts given;	A 28% B 10% C 58% D 16%

Triphenylmethyl mercaptan Chemical Properties

IUPAC Name:triphenylmethanethiol
Molecular Formula:C₁₉H₁₆S
Molecular Weight:276.395340 g/mol
Appearance:cream-pale yellow powder
Melting Point:104-106 °C(lit.)
Boiling Point:403.8 °C at 760 mmHg
Flash Point:166.5 °C
BRN:2113168
EINECS:223-020-3
Synonyms of TRIPHENYLMETHANETHIOL(3695-77-0):
TRIPHENYLMETHYL MERCAPTAN;TIMTEC-BB SBB007907;TRIPHENYLMETHYL MERCAPTAN;TRIPHENYLMETHANETHIOL;TRITYLTHIOL;TRITYL MERCAPTAN;alpha,alpha-diphenyl-benzenemethanethio;alpha,alpha-diphenylbenzenemethanethiol;Benzenemethanethiol, alpha,alpha-diphenyl-

Triphenylmethyl mercaptan Toxicity Data With Reference

ivn-mus LD50:180 mg/kg

CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#04016 .

Triphenylmethyl mercaptan Consensus Reports

Reported in EPA TSCA Inventory.

Triphenylmethyl mercaptan Safety Profile

Safety Information of TRIPHENYLMETHANETHIOL(3695-77-0):
Hazard Codes:Xn

Risk Statements:20
20:Harmful by inhalation
Safety Statements:23
23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
WGK Germany:3
RTECS:PB5335000
F:10-13
Poison by intravenous route. When heated to decomposition it emits toxic fumes of SO_x. See also SULFIDES.

Triphenylmethyl mercaptan Specification

First Aid Measures of TRIPHENYLMETHANETHIOL(3695-77-0):
Eyes:Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Ingestion:If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Inhalation:Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Storage of TRIPHENYLMETHANETHIOL(3695-77-0):
Store in a cool, dry place. Keep container closed when not in use.

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