Basic information

Product Name: 2-CHLORO-5-ETHYNYL-THIOPHENE
Synonyms: 2-CHLORO-5-ETHYNYL-THIOPHENE
CAS NO:139957-82-7
Molecular Formula: C₆H₃ClS
Molecular Weight: 142.60602
EINECS: N/A
Product Categories: N/A
Mol File: 139957-82-7.mol

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: /
Density: N/A
Refractive Index: N/A
Storage Temp.: Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
Solubility: N/A
CAS DataBase Reference: 2-CHLORO-5-ETHYNYL-THIOPHENE(CAS DataBase Reference)
NIST Chemistry Reference: 2-CHLORO-5-ETHYNYL-THIOPHENE(139957-82-7)
EPA Substance Registry System: 2-CHLORO-5-ETHYNYL-THIOPHENE(139957-82-7)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 139957-82-7(Hazardous Substances Data)

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SDS
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139957-82-7 Usage

Uses

Used in Pharmaceutical and Agrochemical Industries:
2-Chloro-5-ethynyl-thiophene is utilized as a building block in the synthesis of a variety of organic compounds, particularly in the pharmaceutical and agrochemical sectors. Its unique structure allows it to be a key component in the development of new drugs and agricultural chemicals, enhancing their efficacy and performance.
Used in Organic Electronic Devices:
Due to its electrical conductivity properties, 2-chloro-5-ethynyl-thiophene has been studied for potential use in organic electronic devices. Its incorporation into these devices could improve their performance and contribute to advances in the field of electronics.
Used as a Corrosion Inhibitor in Metal Surfaces:
2-Chloro-5-ethynyl-thiophene has also been investigated for its potential as a corrosion inhibitor for metal surfaces. Its application could provide protection against corrosion, extending the lifespan and maintaining the integrity of metal structures and components.
Safety Precautions:
Given its flammable nature and potential harmful effects if ingested, inhaled, or in contact with skin, 2-chloro-5-ethynyl-thiophene necessitates careful handling and storage to ensure safety in its use and production processes.

Check Digit Verification of cas no

The CAS Registry Mumber 139957-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,5 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139957-82:
(8*1)+(7*3)+(6*9)+(5*9)+(4*5)+(3*7)+(2*8)+(1*2)=187
187 % 10 = 7
So 139957-82-7 is a valid CAS Registry Number.

139957-82-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-chloro-5-ethynylthiophene

1.2 Other means of identification

Product number	-
Other names	2-ethynyl-5-chloro-thiophene

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:139957-82-7 SDS

139957-82-7Upstream product

6310-09-4 2-acetyl-5-chlorothiophene

139957-82-7Downstream Products

139957-82-7Relevant academic research and scientific papers

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