CAS No.4556-23-4,4-Mercaptopyridine Suppliers

Products Categories

Pharmaceutical (52)
Organic Chemicals (27)
Others (19)
Reagent (6)
Materials (2)
Catalyst and Auxiliary (1)

Basic Information

Molecular Structure:
CAS No.:	4556-23-4
Name:	4-Mercaptopyridine
Article Data:	22

Formula:	C₅H₅NS
Molecular Weight:	111.167
Synonyms:	4-Pyridinethiol;4-Sulfanylpyridine;4-Thiopyridine;NSC 76036;
EINECS:	224-926-1
Density:	1.2 g/cm³
Melting Point:	182-189 °C
Boiling Point:	176.5 °C at 760 mmHg
Flash Point:	60.5 °C
Appearance:	Yellow to light yellow crystalline powder
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-37/39-24/25
PSA:	51.69000
LogP:	1.37030

Synthetic route

: 626-61-9
4-Chloropyridine

: 17356-08-0
thiourea

A: 4556-23-4
pyridine-4-thiol

B: 37968-97-1
4,4'-thiobispyridine

Conditions

Conditions	Yield
With 4-(2-pyridyl)pyridine; potassium tert-butylate In ammonia at -40℃; electrolysis;	A 75% B 5%
With 4-(2-pyridyl)pyridine; potassium tert-butylate In ammonia at -40℃; Rate constant; electrochemical reaction;	A 75% B 5%

...Expand

: 110-86-1
pyridine

: 22752-98-3
N-(4-pyridyl)pyridinium hydrochloride

: 4556-23-4
pyridine-4-thiol

Conditions

Conditions	Yield
With hydrogen sulfide at 140℃;

: 108-96-3
4-pyridone

: 4556-23-4
pyridine-4-thiol

Conditions

Conditions	Yield
With phosphorous (V) sulfide at 60 - 70℃;
With phosphorous (V) sulfide; xylene

: 626-61-9
4-Chloropyridine

: 4556-23-4
pyridine-4-thiol

Conditions

Conditions	Yield
With ethanol; water; potassium hydrosulfide at 140℃;
With sodium thioethylate In N,N-dimethyl-formamide for 16h; Heating;
With sodium hydrogen sulfide

: 19829-29-9
4-pyridinethione

: 4556-23-4
pyridine-4-thiol

Conditions

Conditions	Yield
In cyclohexane Thermodynamic data; Free energy difference between protomers; other solvents;

: 7379-35-3
4-chlorpyridine hydrochloride

: 4556-23-4
pyridine-4-thiol

Conditions

Conditions	Yield
With sodium tetrahydroborate; sulfur 1.) 210 deg C, NaOH-KOH melt, 2 min.; 2.) water; Yield given. Multistep reaction;

: 5421-92-1
1-(4-pyridyl)pyridinium chloride hydrochloride

A: 4556-23-4
pyridine-4-thiol

B: 37968-97-1
4,4'-thiobispyridine

Conditions

Conditions	Yield
With pyridine; thiourea at 150 - 180℃;

: 2645-22-9
bis(4-pyridyl) disulfide

: Thiophosphoric acid S-octyl ester O-((1S,2R,3R,4S,5S,6R)-2,3,4,5,6-pentahydroxy-cyclohexyl) ester

A: 4556-23-4
pyridine-4-thiol

B: 41158-67-2
myo-inositol-1,2-cyclic phosphate

Conditions

Conditions	Yield
With phosphatidylinositol-specific phospholipase C from Bacillus cereus Product distribution; other reagents, relative velocities;

...Expand

: 110-86-1
pyridine

: 7783-06-4
hydrogen sulfide

: 5421-92-1
1-(4-pyridyl)pyridinium chloride hydrochloride

: 4556-23-4
pyridine-4-thiol

...Expand

: 2645-22-9
bis(4-pyridyl) disulfide

: 4556-23-4
pyridine-4-thiol

Conditions

Conditions	Yield
With bovine serum albumin pH=4.5 - 10.5; Kinetics;
With trimethylphosphane In ethanol at 20℃; for 4h;

Total:97 Page 1 of 3 1 2 3 Next>>

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 4556-23-4

Specification

The CAS registry number of 4-Mercaptopyridine is 4556-23-4. The IUPAC name is pyridine-4(1H)-thione. Its EINECS registry number is 224-926-1. In addition, the molecula formula is C₅H₅NS and the molecular weight is 111.16. It belongs to the class of Pyridine. And it is yellow to light yellow crystalline powder. It should be stored in a cool, ventilated and dry place.

Physical properties about this chemical are: (1)ACD/LogP: -0.49; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.47; (4)ACD/LogD (pH 7.4): -1.47; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 1; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 35.33 Å²; (13)Index of Refraction: 1.653; (14)Molar Refractivity: 33.73 cm³; (15)Molar Volume: 92 cm³; (16)Polarizability: 13.37 ×10^-24cm³; (17)Surface Tension: 55 dyne/cm; (18)Density: 1.2 g/cm³; (19)Flash Point: 60.5 °C; (20)Enthalpy of Vaporization: 41.28 kJ/mol; (21)Boiling Point: 176.5 °C at 760 mmHg; (22)Vapour Pressure: 1.09 mmHg at 25°C.

Uses of 4-Mercaptopyridine: it can react with 3-chloromethyl-3H-benzooxazole-2-thione to get 3-(pyridin-4-ylsulfanylmethyl)-3H-benzooxazole-2-thione. This reaction will need reagent EtONa and solvent ethanol. The reaction time is 4 hours by heating. The yield is about 75%.

4-Mercaptopyridine can react with 3-chloromethyl-3H-benzooxazole-2-thione to get 3-(pyridin-4-ylsulfanylmethyl)-3H-benzooxazole-2-thione

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. What's more, you should avoid contact with skin and eyes. This material may have harm to the environment, especially to the water.

You can still convert the following datas into molecular structure:
(1)SMILES: S=C\1\C=C/N/C=C/1
(2)InChI: InChI=1/C5H5NS/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)
(3)InChIKey: FHTDDANQIMVWKZ-UHFFFAOYAP

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
bird - wild	LD50	oral	750mg/kg (750mg/kg)		Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
mouse	LD50	intravenous	178mg/kg (178mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00422,