ChemicalBook > CAS DataBase List > 2,5-Dichlorothiophene

2,5-Dichlorothiophene

Product Name
2,5-Dichlorothiophene
CAS No.
3172-52-9
Chemical Name
2,5-Dichlorothiophene
Synonyms
Metomidine base;DICHLOROTHIOPHENE;2,5-diclorothiophene;2,5-dichloro-thiophen;2,6-DICHLOROTHIOPHENE;2,5-DICHLOROTHIOPHENE;2, 5-dichlorthiophene;2,5-Dichlorothiophenene;thiophene,2,5-dichloro-;2,5-Dichlorothiophene,97%
CBNumber
CB3664157
Molecular Formula
C4H2Cl2S
Formula Weight
153.03
MOL File
3172-52-9.mol
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2,5-Dichlorothiophene Property

Melting point:
-41--40°C
Boiling point:
162 °C (lit.)
Density 
1.442 g/mL at 25 °C (lit.)
refractive index 
1.561-1.563
Flash point:
59 °C
storage temp. 
2-8°C
form 
liquid
Specific Gravity
1.442
color 
Colorless to Light yellow to Light orange
BRN 
109887
CAS DataBase Reference
3172-52-9(CAS DataBase Reference)
NIST Chemistry Reference
Thiophene, 2,5-dichloro-(3172-52-9)
EPA Substance Registry System
Thiophene, 2,5-dichloro- (3172-52-9)
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Safety

Hazard Codes 
T+,Xn
Risk Statements 
40-26/27/28-36/37/38-20/21/22
Safety Statements 
45-36/37-28A-36-26
RIDADR 
2929
WGK Germany 
3
TSCA 
T
HazardClass 
6.1
PackingGroup 
II
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

H300Fatal if swallowed

H310Fatal in contact with skin

H341Suspected of causing genetic defects

Precautionary statements

P201Obtain special instructions before use.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P262Do not get in eyes, on skin, or on clothing.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D75807
Product name
2,5-Dichlorothiophene
Purity
98%
Packaging
25g
Price
$16.68
Updated
2024/03/01
Sigma-Aldrich
Product number
D75807
Product name
2,5-Dichlorothiophene
Purity
98%
Packaging
100g
Price
$41.2
Updated
2024/03/01
TCI Chemical
Product number
D0250
Product name
2,5-Dichlorothiophene
Purity
>97.0%(GC)
Packaging
25g
Price
$106
Updated
2024/03/01
Alfa Aesar
Product number
A13839
Product name
2,5-Dichlorothiophene, 98%
Packaging
500g
Price
$289
Updated
2021/12/16
TRC
Product number
D438880
Product name
2,5-Dichlorothiophene
Packaging
2.5g
Price
$75
Updated
2021/12/16
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2,5-Dichlorothiophene Chemical Properties,Usage,Production

Chemical Properties

clear colorless to slightly yellow liquid

Uses

2,5-Dichlorothiophene is mainly used as a pharmaceutical intermediate. It is used in the synthesis of 3,4-disubstituted thiophenes.

Synthesis Reference(s)

Tetrahedron, 52, p. 8863, 1996 DOI: 10.1016/0040-4020(96)00433-4

2,5-Dichlorothiophene Preparation Products And Raw materials

Raw materials

Preparation Products

ETHYL 5-CHLOROTHIOPHENE-2-CARBOXYLATE 2,5-Dichlorothiophene-3-sulfonyl chloride 5-Chloro-2-thiophenecarboxylic Acid Brinzolamide 5-CHLORO-2-THIOPHENECARBOXYLIC ACID HYDRAZIDE 5-CHLOROTHIOPHENE-2-CARBONYL CHLORIDE Lornoxicam 2,5-DICHLORO-3,4-DINITROTHIOPHENE 2,3,5-TRICHLOROTHIOPHENE 2,5-Dichlorothiophene-3-sulfonamide
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2,5-Dichlorothiophene Suppliers

Americas 1 Belgium 3 Canada 1 China 206 Europe 4 France 2 Germany 5 India 31 Italy 1 Japan 5 Slovakia 1 South Korea 1 Switzerland 2 The Netherlands 1 Ukraine 2 United Kingdom 16 United States 36 Global 318
Weifang Siyuan Chemical Co., Ltd.
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View Lastest Price from 2,5-Dichlorothiophene manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
2,5-Dichlorothiophene 3172-52-9
Price
US $1.00-1.00/KG
Min. Order
1g
Purity
99%
Supply Ability
50tons
Release date
2020-04-22
Hebei Yanxi Chemical Co., Ltd.
Product
2,5-DICHLOROTHIOPHENE 3172-52-9
Price
US $0.00/kg
Min. Order
1kg
Purity
98.00%
Supply Ability
20tons
Release date
2023-09-11
Henan Aochuang Chemical Co.,Ltd.
Product
2,5-Dichlorothiophene 3172-52-9
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-09-26

3172-52-9, 2,5-DichlorothiopheneRelated Search:

2,5-DICHLOROTHIOPHENE-3-SULFONAMIDE,2,5-Dichlorothiophene-3-sulfonamide ,97% 2,5-DICHLOROTHIOPHENE-3-CARBOXYLIC ACID 2,3-DICHLOROTHIOPHENE 2,5-Dichlorothiophene-3-sulfonyl chloride 3-BROMO-2,5-DICHLOROTHIOPHENE 2,4-Dichlorothieno[2,3-d]pyrimidine 2,4-DICHLOROTHIENO[3,2-D]PYRIMIDINE 2,4-Dichlorothieno[3,2-d]pyrimidine 2,5-DICHLOROTHIOPHENE-3-CARBONYL CHLORIDE,2,5-DICHLOROTHIOPHENE-3-CARBOXYLICHLORIDE 2,5-DICHLOROTHIOPHENE-3-SULFINIC ACID SODIUM SALT 4,5-Dichlorothiophene-2-sulfonamide,2,3-DICHLOROTHIOPHENE-5-SULFONAMIDE 3,4-Dichlorothiophene 2,6-DICHLOROTHIOPHENE METHYL 2,5-DICHLOROTHIOPHENE-3-CARBOXYLATE 2,3-DICHLOROTHIOPHENE-5-SULFONYL CHLORIDE,2,3-DICHLOROTHIOPHENE-5-SULPHONYL CHLORIDE 3-ACETYL-2,5-DICHLOROTHIOPHENE 3,4-DIBROMO-2,5-DICHLOROTHIOPHENE 2,5-Dichlorothiophene-3-carbaldehyde

  • DICHLOROTHIOPHENE
  • 2,5-DICHLOROTHIOPHENE
  • 2,6-DICHLOROTHIOPHENE
  • 2,5-dichloro-thiophen
  • thiophene,2,5-dichloro-
  • 2,5-Dichlorothiophenene
  • 2,5-Dichlorothiophene,97%
  • 5-chloro-2-thienyl chloride
  • 2,5-Dichlorothiophene,98%
  • 2,5- twochlorinethiophene
  • 2,5-Dichlorothiophene &gt
  • 2,5-Dichlorothiophene ISO 9001：2015 REACH
  • Metomidine base
  • 2, 5-dichlorthiophene
  • 2,5-diclorothiophene
  • 3172-52-9
  • C4H2SCl2
  • C4H2Cl2S
  • Building Blocks
  • Halogenated Heterocycles
  • Heterocyclic Building Blocks
  • Thiophenes
  • Heterocycle-oher series
  • Halogenated Heterocycles
  • Heterocyclic Building Blocks
  • ThiophenesBuilding Blocks
  • Thiophenes
  • Organics
  • Thiophene&Benzothiophene
  • Miscellaneous
  • Thiophens