CAS No.14345-97-2,2-Chloro-3-methylthiophene Suppliers

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Basic Information

Molecular Structure:
CAS No.:	14345-97-2
Name:	2-Chloro-3-methylthiophene

Formula:	C₅H₅ClS
Molecular Weight:	132.614
Synonyms:	2-Chloro-3-methyl thiophene;2-chloro-3-methyl-thiophene;
EINECS:	238-296-0
Density:	1.237 g/cm³
Melting Point:	153-157 °C
Boiling Point:	150 °C at 760 mmHg
Flash Point:	49.9 °C
Appearance:	clear yellow to yellow-brown liquid
Hazard Symbols:	Xn,Xi
Risk Codes:	10-22-41-36/37/38
Safety:	16-26-39-37/39
Transport Information:	UN 1993 3/PG 3
PSA:	28.24000
LogP:	2.70990

Synthetic route

: 128-09-6
N-chloro-succinimide

: 616-44-4
3-Methylthiophene

: 14345-97-2
2-chloro-3-methylthiophene

: 128-09-6
N-chloro-succinimide

: 616-44-4
3-Methylthiophene

A: 14345-97-2
2-chloro-3-methylthiophene

B: 2746-23-8
3-(chloromethyl)thiophene

Conditions

Conditions	Yield
With tetrachloromethane; dibenzoyl peroxide

...Expand

: 616-44-4
3-Methylthiophene

: 14345-97-2
2-chloro-3-methylthiophene

Conditions

Conditions	Yield
With sulfuryl dichloride
With aluminium trichloride; benzeneseleninyl chloride In chloroform for 3h; Ambient temperature;	78 % Chromat.
With sulfuryl dichloride at 15℃; for 1h;

: 616-44-4
3-Methylthiophene

: sodium thiosulfate

: 14345-97-2
2-chloro-3-methylthiophene

Conditions

Conditions	Yield
With sulfuryl dichloride In acetonitrile

: 616-44-4
3-Methylthiophene

SO2 Cl2: SO2 Cl2

: 14345-97-2
2-chloro-3-methylthiophene

Conditions

Conditions	Yield
	35,3 g (52%)

: 14345-97-2
2-chloro-3-methylthiophene

: 78-59-1
3,5,5-Trimethylcyclohex-2-en-1-one

: 5,5-dimethyl-3-((3-methylthiophen-2-yl)methyl)cyclohex-2-enone

Conditions

Conditions	Yield
With 2-(2,6-dimethoxyphenyl)-1-methyl-3-(diphenylphosphino)-1H-indole; palladium diacetate; lithium tert-butoxide In 1,4-dioxane at 100℃; for 1h; Schlenk technique; Inert atmosphere;	99%

: 14345-97-2
2-chloro-3-methylthiophene

: 15878-00-9
4-chloro-1H-pyrazole

: 4-chloro-1-(5-chloro-4-methylthiophen-2-yl)-1H-pyrazole

Conditions

Conditions	Yield
With tert.-butylnitrite; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,2-dichloro-ethane at 20℃; for 4h; Irradiation; Schlenk technique;	95%

: 14345-97-2
2-chloro-3-methylthiophene

: 124-38-9
carbon dioxide

: 74598-03-1
5-chloro-4-methylthiophen-2-carboxylic acid

Conditions

Conditions	Yield
With n-butyllithium In diethyl ether 1.) reflux, 2 h, 2.) - 70 deg C;	89%

: 14345-97-2
2-chloro-3-methylthiophene

: 140-88-5
ethyl acrylate

: ethyl (E)-3-(5-chloro-4-methylthiophen-2-yl)acrylate

Conditions

Conditions	Yield
With dimethyl 2-((6-methylpyridin-3-yl)methylene)malonate; palladium diacetate; silver fluoride; acetic acid In N,N-dimethyl-formamide at 50℃; for 48h; Schlenk technique; Inert atmosphere; Sealed tube; regioselective reaction;	87%

: 14345-97-2
2-chloro-3-methylthiophene

: 557-21-1
dicyanozinc

: 55406-13-8
3-methylthiophene-2-carbonitrile

Conditions

Conditions	Yield
bis(tri-t-butylphosphine)palladium(0); zinc In N,N-dimethyl acetamide at 95℃; for 6h;	86.4%

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Specification

The 2-Chloro-3-methylthiophene is an organic compound with the formula C₅H₅ClS. The IUPAC name of this chemical is 2-chloro-3-methylthiophene. With the CAS registry number 14345-97-2, it is also named as Thiophene, 2-chloro-3-methyl-. The product's categories are Thiophenes; Thiophene & Benzothiophene; Thiophens; Functional Materials; Reagents for Conducting Polymer Research; Thiophene Derivatives (for Conduting Polymer Research); Halogenated Heterocycles; Heterocyclic Building Blocks; Thiophenes Building Blocks. Besides, it is a clear yellow to yellow-brown liquid, which should be stored in a closed dark cool and dry place. It can be used as the organic synthesis intermediates for pharmaceuticals, pesticides and synthetic photosensitive polymer.

Physical properties about 2-Chloro-3-methylthiophene are: (1)ACD/LogP: 3.00; (2)ACD/LogD (pH 5.5): 3; (3)ACD/LogD (pH 7.4): 3; (4)ACD/BCF (pH 5.5): 112.29; (5)ACD/BCF (pH 7.4): 112.29; (6)ACD/KOC (pH 5.5): 1021.51; (7)ACD/KOC (pH 7.4): 1021.51; (8)Polar Surface Area: 28.24 Å²; (9)Index of Refraction: 1.554; (10)Molar Refractivity: 34.35 cm³; (11)Molar Volume: 107.1 cm³; (12)Polarizability: 13.62×10^-24cm³; (13)Surface Tension: 36.8 dyne/cm; (14)Density: 1.237 g/cm³; (15)Flash Point: 49.9 °C; (16)Enthalpy of Vaporization: 37.1 kJ/mol; (17)Boiling Point: 150 °C at 760 mmHg; (18)Vapour Pressure: 4.99 mmHg at 25°C.

Uses of 2-Chloro-3-methylthiophene: it can be used to produce 5-chloro-4-methylthiophen-2-carboxylic acid at temperature of -70 °C. It will need reagent n-butyl-lithium and solvent diethyl ether. The yield is about 89%.

When you are using this chemical, please be cautious about it as the following:
It is flammable and harmful in contact with skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin and risk of serious damage to eyes. When you are using it, wear suitable gloves and eye/face protection and keep away from sources of ignition - No smoking.

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1sccc1C
(2)InChI: InChI=1/C5H5ClS/c1-4-2-3-7-5(4)6/h2-3H,1H3
(3)InChIKey: KQFADYXPELMVHE-UHFFFAOYAK
(4)Std. InChI: InChI=1S/C5H5ClS/c1-4-2-3-7-5(4)6/h2-3H,1H3
(5)Std. InChIKey: KQFADYXPELMVHE-UHFFFAOYSA-N