5-Methylthiophene-2-carboxaldehyde

5-Methylthiophene-2-carboxaldehyde Basic information

Product Name:	5-Methylthiophene-2-carboxaldehyde
Synonyms:	5-Methyl-2-thiophenecarboxaldehyde, 98% 10ML;5-Methylthiophene-2-aldehyde 2-Formyl-5-methylthiophene;5-methyl-2-thiopene carboxaldehyde;5-METHYL-2-THIOPHENECARBOXALDEHYDE 98+%;5-METHYLTHIOPHENE-2-CARBOXALDEHYDE, STAB .;5-METHLY-2-THIOPHENECARBOXALDEHYDE;formylmethylthiophene,2-formyl-5-methylthiophene;5-Methylthiophene-2-carboxaldehyde 97%
CAS:	13679-70-4
MF:	C6H6OS
MW:	126.18
EINECS:	237-178-6
Product Categories:	Building Blocks;C1 to C6;C4 to C6;Carbonyl Compounds;Chemical Synthesis;Heterocyclic Building Blocks;Aldehydes;Building Blocks;Heterocyclic Building Blocks;Thiophenes;Alphabetical Listings;Flavors and Fragrances;M-N;Organic Building Blocks;Aromatic Aldehydes & Derivatives (substituted);Thiophenes & Benzothiophenes;Thiophene&Benzothiophene;Heterocyclic Compounds;Thiophenes & Benzothiophenes
Mol File:	13679-70-4.mol

5-Methylthiophene-2-carboxaldehyde Chemical Properties

Melting point	184-186 °C
Boiling point	114 °C/25 mmHg (lit.)
density	1.17 g/mL at 25 °C (lit.)
refractive index	n20/D 1.583(lit.)
FEMA	3209 \| 5-METHYL-2-THIOPHENECARBOXALDEHYDE
Fp	190 °F
storage temp.	2-8°C
solubility	Soluble in ether and ethanol.
form	Liquid
Specific Gravity	1.180
color	Clear yellow to brown
Odor	at 0.10 % in dipropylene glycol. sweet almond cherry furfural woody acetophenone
Odor Type	fruity
Sensitive	Air Sensitive
JECFA Number	1050
BRN	106896
InChIKey	VAUMDUIUEPIGHM-UHFFFAOYSA-N
LogP	1.48
CAS DataBase Reference	13679-70-4(CAS DataBase Reference)
NIST Chemistry Reference	5-Methyl-2-thiophenecarboxaldehyde(13679-70-4)
EPA Substance Registry System	2-Thiophenecarboxaldehyde, 5-methyl- (13679-70-4)

Safety Information

MSDS Information

Provider	Language
5-Methylthiophene-2-carboxaldehyde	English
SigmaAldrich	English
ACROS	English
ALFA	English

5-Methylthiophene-2-carboxaldehyde Usage And Synthesis

Description	May be synthesized from thiophene (or its derivatives) and formamide in the presence of POCl3; from N-(2-thenyl)formaldimines.
Chemical Properties	CLEAR YELLOW TO BROWN LIQUID
Occurrence	Reported found in French fried potato, roasted peanuts, tomato, wheat bread, raw chicken, cooked beef, pork liver, cognac, malt whiskey, coffee, popcorn, krill, shrimp and okra
Uses	5-Methylthiophene-2-carboxaldehyde is used as a food additive. It is an analytical reagent. The reagent has been synthesized and characterized using IR, 1H NMR and Mass spectral data.
Definition	ChEBI: 5-Methyl-2-thiophenecarboxaldehyde is a member of thiophenes.
Preparation	From thiophene (or its derivatives) and formamide in the presence of POCl3; from N-(2-thienyl)formaldimines.
Taste threshold values	Taste characteristics at 5 ppm: sweet, almond, fruity, heliotropine and nutty
General Description	5-Methyl-2-thiophenecarboxaldehyde can be obtained as a product from 2-thiophenecarboxaldehyde via metalation, and alkylation, followed by a series of reactions.

5-Methylthiophene-2-carboxaldehyde Preparation Products And Raw materials

Raw materials	2-Thiophenemethanol, 5-methyl-, 2-acetate-->RARECHEM AL BD 0181-->5-Methyl-2-thiophenecarboxylic acid-->2,5-Dimethylthiophene-->2-Chloro-5-thiophenecarboxaldehyde-->BROMODICHLOROMETHANE-->2-Chlorothiophene-->N-Methylformanilide-->2-Thenaldehyde
Preparation Products	5-METHYLTHIOPHEN-2-YLMETHYLAMINE-->4-Bromo-5-methyl-2-thiophenecarbaldehyde-->Hydrazinecarbothioamide,2-[(5-methyl-2-thienyl)methylene]--->METHYL 2-METHYL-4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE-->N-methyl-1-(5-methyl-2-thienyl)methanamine(SALTDATA: HCl)-->2-Propen-1-one, 1-(4-methylphenyl)-3-(5-methyl-2-thienyl)-

Login