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  • Product Name:   2-Thenaldehyde
  • Synonyms:   2-Thiophenecarboxaldehyde ,98%;2-Thiophenecarboxaldehyde,Thenaldehyde;2-Thiophenecarboxald;2-Thiophenecarboxaldehyde (stabilized with HQ);2-Thiophenecarboxaldehyde, 98% 100ML
  • CAS No.:   98-03-3
  • Molecular Formula:   C5H4OS
  • Molecular Weight :   112.15
  • Specification :   98%
  • Place of Origin:   China
  • Appearance :   
  • Document :   Download

Description of 2-Thenaldehyde



2-Thenaldehyde Chemical Properties


Melting point  <10°C


Boiling point  198 °C(lit.)


density  1.2 g/mL at 25 °C(lit.)


refractive index  n20/D 1.591(lit.)


Fp  172 °F


storage temp.  2-8°C


form  liquid (clear)


color  clear yellow


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)




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




2-Thenaldehyde Usage And Synthesis


Chemical Properties clear yellow to light brown liquid


Uses Thiophene derivatives, introducing thenyl group into organic compounds.


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


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




2-Thenaldehyde Preparation Products And Raw materials


Preparation Products ETHYL 4-FORMYL-2,5-DIMETHYL-1-(2-THIENYLMETHYL)-1H-PYRROLE-3-CARBOXYLATE-->2-Thiophenemethylamine-->Thiophene-2-ethylamine-->2-[1-METHYL-5-(TRIFLUOROMETHYL)PYRAZOL-3-YL]-THIOPHENE-5-CARBOXALDEHYDE-->(4-BROMOTHIOPHEN-2-YL)METHANESULFONYL CHLORIDE-->4,5,6,7-Tetrahydrothieno[3,2,c] pyridine hydrochloride-->Ticlopidine-->5-(2-PHENYLETH-1-YNYL)THIOPHENE-2-CARBALDEHYDE-->THIOPHENE-2,5-DICARBOXYLIC ACID MONOMETHYL ESTER-->5-Phenylthiophene-2-carboxylic acid-->3-(2-THIENYL)PROPIONIC ACID-->2,3-THIOPHENEDICARBOXALDEHYDE-->THIOPHENE-2-THIOCARBOXAMIDE-->5-PHENYL-2-THIOPHENECARBALDEHYDE-->BETA-(2-THIENYL)-DL-SERINE-->METHYL 3-(THIEN-2-YL)ACRYLATE-->5-FORMYL-2-THIOPHENECARBOXYLIC ACID-->3-AMINO-3-(2-THIENYL)PROPANOIC ACID-->(E)-2-(2-Nitroethenyl)thiophene-->4-Bromothiophene-2-carboxaldehyde-->1,3-DIMETHYL-2-(2-THIENYL)IMIDAZOLIDINE-->4-(2-THIENYL)BUT-3-EN-2-ONE


Raw materials Carbon tetrachloride-->SODIUM OXIDE


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