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2-Thenaldehyde

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2-Thenaldehyde Basic information

Product Name:
2-Thenaldehyde
Synonyms:
  • 2-Thiophenecarboxaldehyde (stabilized with HQ)
  • 2-Formylthiophene, 2-Thenaldehyde
  • 2-Thiophenecarboxaldehyde, 98% 100ML
  • 2-Thiophenecarboxaldehyde ,98%
  • THIOPHENE-2-CARBALDEHYDE FOR SYNTHESIS
  • 2-Thiophenecarboxaldehyde,Thenaldehyde
  • 2-Thiophenecarboxald
  • 2-Thienylcarboxaldehyde
CAS:
98-03-3
MF:
C5H4OS
MW:
112.15
EINECS:
202-629-8
Product Categories:
  • aldehyde
  • Building Blocks
  • C1 to C6
  • C4 to C6
  • Carbonyl Compounds
  • Chemical Synthesis
  • Thiophenes
  • Aromatic Aldehydes & Derivatives (substituted)
  • Aldehydes
  • Thiophenes & Benzothiophenes
  • Thiophen
  • Thiophenes & Benzothiophenes
  • Heterocyclic Building Blocks
  • Organic Building Blocks
  • Thiophene&Benzothiophene
  • Teniposide Ketotifen
  • Functional Materials
  • Reagents for Conducting Polymer Research
  • Thiophene Derivatives (for Conduting Polymer Research)
Mol File:
98-03-3.mol
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2-Thenaldehyde Chemical Properties

Melting point:
<10°C
Boiling point:
198 °C (lit.) 75-77 °C/11 mmHg (lit.)
Density 
1.2 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.591(lit.)
Flash point:
172 °F
storage temp. 
2-8°C
form 
liquid (clear)
color 
clear yellow
Specific Gravity
1.2
Water Solubility 
insoluble
Sensitive 
Air Sensitive
BRN 
105819
InChIKey
CNUDBTRUORMMPA-UHFFFAOYSA-N
CAS DataBase Reference
98-03-3(CAS DataBase Reference)
NIST Chemistry Reference
2-Thiophenecarboxaldehyde(98-03-3)
EPA Substance Registry System
2-Thiophenecarboxaldehyde (98-03-3)
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Safety Information

Hazard Codes 
Xn,Xi
Risk Statements 
22-36/37/38-43
Safety Statements 
36/37/39-37-24-36-26
RIDADR 
UN 2810
WGK Germany 
3
RTECS 
XM8135000
9
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
29349990

MSDS

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2-Thenaldehyde Usage And Synthesis

Chemical Properties

clear yellow to light brown liquid

Uses

Thiophene derivatives, introducing thenyl group into organic compounds.

Uses

2-Thiophenecarboxaldehyde is used in the synthesis of β-aryl-β-amino acids, urea derivatives. Arylation reagent. Also used to synthesize unsaturated ketones as antiviral and cytotoxic agents.

Definition

ChEBI: An aldehyde that is thiphene substituted by a formyl group at position 2.

Synthesis Reference(s)

Synthesis, p. 757, 1976 DOI: 10.1055/s-1976-24193
Tetrahedron Letters, 36, p. 455, 1995 DOI: 10.1016/0040-4039(94)02284-I

General Description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Purification Methods

Wash it with 50% HCl and distil it under reduced pressure just before use. It has UV: 234nm (hexane). The Z-oxime has m 144o, 136-138o and 142o (H2O). [Beilstein

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