141580-93-0

• 

• Basic information

  1. Product Name: Benzo[b]thiophene, 2-ethynyl-
  2. Synonyms: Ethynylbenzothiophene;2-ethynylbenzothiophene;
  3. CAS NO:141580-93-0
  4. Molecular Formula: C10H6S
  5. Molecular Weight: 158.224
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 141580-93-0.mol
  9. Article Data: 1

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: N/A
  3. Flash Point: N/A
  4. Appearance: N/A
  5. Density: N/A
  6. Refractive Index: N/A
  7. Storage Temp.: N/A
  8. Solubility: N/A
  9. CAS DataBase Reference: Benzo[b]thiophene, 2-ethynyl-(CAS DataBase Reference)
  10. NIST Chemistry Reference: Benzo[b]thiophene, 2-ethynyl-(141580-93-0)
  11. EPA Substance Registry System: Benzo[b]thiophene, 2-ethynyl-(141580-93-0)

• Safety Data

  1. Hazard Codes: N/A
  2. Statements: N/A
  3. Safety Statements: N/A
  4. WGK Germany:
  5. RTECS:
  6. HazardClass: N/A
  7. PackingGroup: N/A
  8. Hazardous Substances Data: 141580-93-0(Hazardous Substances Data)

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• SDS
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• Downstream Products
• Article

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141580-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141580-93-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,5,8 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 141580-93:
(8*1)+(7*4)+(6*1)+(5*5)+(4*8)+(3*0)+(2*9)+(1*3)=120
120 % 10 = 0
So 141580-93-0 is a valid CAS Registry Number.

141580-93-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-ethynyl-1-benzothiophene

1.2 Other means of identification

Product number	-
Other names	2-ethynylbenzothiophene

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:141580-93-0 SDS

141580-93-0Upstream product

• 131292-10-9 ethyl 5-(2-methylsulfanylphenyl)-3-oxo-2-triphenylphosphoranylidenepent-4-ynoate 

141580-93-0Downstream Products

• 85111-44-0 2-(benzo[b]thiophen-2-yl)quinoline 
• 78176-92-8 2-(naphthalen-1-yl)benzo[b]thiophene 
• 1374000-03-9 (1R,4R,5R)-3-(2-(benzo[b]thiophen-2-yl)ethyl)-1,4,5-trihydroxycyclohex-2-ene-1-carboxylic acid 
• 1374000-01-7 (1R,4R,5R)-3-((E)-2-(benzo[b]thiophen-2-yl)vinyl)-1,4,5-trihydroxycyclohex-2-ene-1-carboxylic acid 

141580-93-0Relevant articles and documents

Flash Vacuum Pyrolysis of Stabilised Phosphorous Ylides. Part 4. Stepwise Construction of Terminal 1,3-Diynes, Conjugated Diacetylenic Esters and a Triacetylenic Ester

Aitken, R. Alan,Seth, Shirley

, p. 2461 - 2466 (1994)

Thirteen examples of stabilised alkynol ylides 6 have been prepared and are found, upon flash vacuum pyrolysis (FVP) at 500 deg C, to undergo extrusion of Ph3PO to give the diacetylenic esters 7 in moderate yield.At 750 deg C the same ylides afforded terminal 1,3-diynes 8 although often in poor yield.For R = 2-MeSC6H4 both 7 and 8 undergo secondary loss of Me* and cyclisation to give 2-alkynylbenzothiophene derivatives 9 and 10 in low yield.The first example of an alkadiynol ylide 11 has been prepared and is converted by FVP at 500 deg C into the triacetylenic ester 12.

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