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ChemicalBook--->CAS DataBase List--->13679-70-4

13679-70-4

13679-70-4 Structure

13679-70-4 Structure
IdentificationMore
[Name]

5-Methylthiophene-2-carboxaldehyde
[CAS]

13679-70-4
[Synonyms]

5-METHYL-2-THIOPHENECARBALDEHYDE
5-METHYL-2-THIOPHENECARBOXALDEHYDE
5-METHYL-THIOPHEN-2-ALDEHYDE
5-METHYLTHIOPHENE-2-ALDEHYDE
5-METHYLTHIOPHENE-2-CARBALDEHYDE
5-METHYLTHIOPHENE-2-CARBOXALDEHYDE
AKOS B015983
AKOS BBS-00003245
FEMA 3209
LABOTEST-BB LT00936047
TIMTEC-BB SBB004249
2-Formyl-5-methylthiophene
2-Thiophenecarboxaldehyde, 5-methyl-
5-Methyl-2-formylthiophene
5-Methyl-2-thiophencarboxaldehyde
5-methyl-2-thiophenecarboxaldehyd
Thiophen-2-carboxaldehyde, 5-methyl
thiophene, 2-Methyl, 5-formyl
5-methyl-2-thiopene carboxaldehyde
5-METHYL-2-THIOPHENECARBOXALDEHYDE 98+%
[EINECS(EC#)]

237-178-6
[Molecular Formula]

C6H6OS
[MDL Number]

MFCD00005434
[Molecular Weight]

126.18
[MOL File]

13679-70-4.mol
Chemical PropertiesBack Directory
[Appearance]

CLEAR YELLOW TO BROWN LIQUID
[Melting point ]

184-186 °C
[Boiling point ]

114 °C/25 mmHg (lit.)
[density ]

1.17 g/mL at 25 °C(lit.)
[FEMA ]

3209
[refractive index ]

n20/D 1.583(lit.)
[Fp ]

190 °F
[storage temp. ]

2-8°C
[solubility ]

Soluble in ether and ethanol.
[form ]

Liquid
[color ]

Clear yellow to brown
[Specific Gravity]

1.180
[Odor]

at 0.10 % in dipropylene glycol. sweet almond cherry furfural woody acetophenone
[biological source]

synthetic
[Odor Type]

fruity
[Sensitive ]

Air Sensitive
[Detection Methods]

GC,NMR
[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)
[Storage Precautions]

Store under nitrogen
[EPA Substance Registry System]

13679-70-4(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S7/9:Keep container tightly closed and in a well-ventilated place .
[WGK Germany ]

3
[F ]

8
[Hazard Note ]

Irritant
[TSCA ]

T
[HazardClass ]

IRRITANT, AIR SENSITIVE
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[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-Thiophenecarboxaldehyde
[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)-
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

5-Methylthiophene-2-carboxaldehyde(13679-70-4).msds
Hazard InformationBack Directory
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

5-Methylthiophene-2-carboxaldehyde(13679-70-4)MS
5-Methylthiophene-2-carboxaldehyde(13679-70-4)1HNMR
5-Methylthiophene-2-carboxaldehyde(13679-70-4)13CNMR
5-Methylthiophene-2-carboxaldehyde(13679-70-4)IR1
5-Methylthiophene-2-carboxaldehyde(13679-70-4)IR2
5-Methylthiophene-2-carboxaldehyde(13679-70-4)IR3
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

5-Methyl-2-thiophenecarboxaldehyde, 98%(13679-70-4)
[Alfa Aesar]

5-Methylthiophene-2-carboxaldehyde, 98+%(13679-70-4)
[Sigma Aldrich]

13679-70-4(sigmaaldrich)
[TCI AMERICA]

5-Methylthiophene-2-aldehyde  (=5-Methyl-2-thiophenecarboxaldehyde),>97.0%(GC)(13679-70-4)
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