CAS No.137-07-5,2-Aminobenzenethiol Suppliers

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Basic Information

Molecular Structure:
CAS No.:	137-07-5
Name:	2-Aminobenzenethiol
Article Data:	101

Formula:	C₆H₇NS
Molecular Weight:	125.194
Synonyms:	NSC 106635;o-Aminobenzenethiol;o-Aminophenyl mercaptan;o-Aminothiophenol;o-Mercaptoaniline;a-Aminothiophenol;Benzenethiol,2-amino-;Benzenethiol,o-amino- (6CI,8CI);1-Amino-2-mercaptobenzene;2-Amino-1-mercaptobenzene;2-Aminophenyl mercaptan;2-Mercaptoaniline;2-Thioaniline;
EINECS:	205-277-3
Density:	1.2 g/cm³
Melting Point:	23 °C
Boiling Point:	234.9 °C at 760 mmHg
Flash Point:	95.8 °C
Solubility:	insoluble in water
Appearance:	clear yellow to amber liquid
Hazard Symbols:	C,N
Risk Codes:	22-34-50/53-37-20/21/22
Safety:	26-36/37/39-45-60-61-25-27
Transport Information:	UN 1760 8/PG 3
PSA:	64.82000
LogP:	2.13870

Synthetic route

: 615-43-0
2-iodophenylamine

: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; ethane-1,2-dithiol; potassium hydroxide In water; dimethyl sulfoxide at 90℃; for 20h; Inert atmosphere;	99%

: 95-16-9
1,3-Benzothiazole

: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With tert.-butylhydroperoxide; iodine In water; dimethyl sulfoxide at 60℃;	98%
With potassium hydroxide at 110℃; for 24h; Reagent/catalyst;	87%
With iodine; potassium hydroxide In water; dimethyl sulfoxide at 100℃;	82%

: 1141-88-4
2-Aminophenyl disulfide

: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With indium; ammonium chloride In ethanol for 2h; Reduction; Heating;	96%
With sodium tetrahydroborate; lithium chloride In tetrahydrofuran at 0 - 35℃;	93%
With magnesium In methanol for 2h; Ambient temperature;	85%

: 86333-20-2
2-(2-aminophenylthio)-4-phenyl-2,3-dihydro-1,5-benzothiazepine

A: 612-96-4
2-Phenylquinoline

B: 137-07-5
2-amino-benzenethiol

C: 1141-88-4
2-Aminophenyl disulfide

Conditions

Conditions	Yield
In toluene for 4h; Heating;	A 95% B n/a C n/a

...Expand

: 2987-53-3
2-(Methylthio)aniline

: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With hydrogen bromide In water at 30℃; for 2h; Temperature; Inert atmosphere;	92.7%

: 1141-88-4
2-Aminophenyl disulfide

: 587-88-2
ethyl 2-(4-fluorophenyl)acetate

A: 100638-27-5
2-(4-fluorophenyl)-3-oxo-3,4-dihydro-2H-1,4-benzothiazine

B: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With sodium hydride In dimethyl sulfoxide; N,N-dimethyl-formamide at 100℃; for 0.333333h;	A 92% B n/a

...Expand

: 1155-00-6
bis(2-nitrophenyl)disulfide

A: 4875-10-9
2-nitrothiophenol

B: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 35℃; for 0.5h; Reduction;	A 10% B 90%
With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 35℃; for 0.166667h; Reduction;	A 80% B 20%

: 23786-14-3
4-methoxy-phenyl acetic acid methyl ester

: 1141-88-4
2-Aminophenyl disulfide

A: 92552-87-9
2-(4-methoxy-phenyl)-4H-benzo[1,4]thiazin-3-one

B: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With sodium hydride In dimethyl sulfoxide; N,N-dimethyl-formamide at 100℃; for 0.333333h;	A 88% B n/a

...Expand

: 101-41-7
benzeneacetic acid methyl ester

: 1141-88-4
2-Aminophenyl disulfide

A: 38533-19-6
3,4-dihydro-2-phenyl-2H-1,4-benzothiazin-3-one

B: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With sodium hydride In N,N-dimethyl-formamide at 100℃; for 0.333333h;	A 86% B n/a
With sodium hydride In N,N-dimethyl-formamide at 100℃; for 0.333333h; other methyl or ethyl aryl- or pyridylacetates;

...Expand

: 2-(2-amino-phenyldisulfanyl)-pyridin-3-ylamine

: 137-07-5
2-amino-benzenethiol

Conditions

Conditions	Yield
With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 35℃; for 0.25h; Reduction;	85%

Raw Materials

107-15-3

149-30-4

615-20-3

Downstream Products

106-48-9

347-55-7

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Chemistry

IUPAC Name: 2-Aminobenzenethiol
Canonical SMILES: C1=CC=C(C(=C1)N)S
InChI: InChI=1S/C6H7NS/c7-5-3-1-2-4-6(5)8/h1-4,8H,7H2
InChIKey: VRVRGVPWCUEOGV-UHFFFAOYSA-N
Molecular Weight: 125.19148 [g/mol]
Molecular Formula: C₆H₇NS
XLogP3-AA: 1.4
H-Bond Donor: 1
H-Bond Acceptor: 1
EINECS: 205-277-3
Water Solubility: INSOLUBLE
Sensitive: Stench
Appearance: clear yellow to amber liquid
Melting Point: 23 °C
Index of Refraction: 1.663
Molar Refractivity: 38.66 cm³
Molar Volume: 104.3 cm³
Surface Tension: 53 dyne/cm
Density: 1.2 g/cm³
Flash Point: 95.8 °C
Enthalpy of Vaporization: 47.16 kJ/mol
Boiling Point: 234.9 °C at 760 mmHg
Vapour Pressure: 0.0517 mmHg at 25 °C
Product Categories of 2-Aminobenzenethiol (CAS NO.137-07-5): Phenol & Thiophenol & Mercaptan; Phenoles and thiophenoles; Carbonyl Group Labeling Reagents for Fluorescence HPLC; Fluorescence Detection (HPLC Labeling Reagents); HPLC Labeling Reagents; Analytical Chemistry

Uses

2-Aminobenzenethiol (CAS NO.137-07-5) is used as an antinematodal agent, as well as an intermediate of belfosdil.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	25mg/kg (25mg/kg)		National Technical Information Service. Vol. AD277-689,
mouse	LD50	intravenous	100mg/kg (100mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02532,
rat	LDLo	oral	500mg/kg (500mg/kg)	BLOOD: METHEMOGLOBINEMIA-CARBOXYHEMOGLOBIN	"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 90, 1969.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Hazard Codes: Corrosive C, Dangerous N
Risk Statements: 22-34-50/53-37-20/21/22
R22:Harmful if swallowed.
R34:Causes burns.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R37:Irritating to respiratory system
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36/37/39-45-60-61-25-27
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S25:Avoid contact with eyes.
S27:Take off immediately all contaminated clothing.
RIDADR: UN 1760 8/PG 3
WGK Germany: 3
RTECS: DC0600000
Hazard Note: Corrosive/Stench
HazardClass: 8
PackingGroup of 2-Aminobenzenethiol (CAS NO.137-07-5): III

Specification

2-Aminobenzenethiol (CAS NO.137-07-5), its Synonyms are 1-Amino-2-mercaptobenzene ; 2-Aminothiophenol ; 2-Mercaptaniline ; 2-Mercaptoaniline ; o-Aminobenzenethiol ; o-Aminothiophenol ; o-Mercaptoaniline ; Benzenethiol, 2-amino- ; Benzenethiol, o-amino- .