5-Methylthiophene-2-carboxaldehyde , >97.0%(GC) , 13679-70-4

Synonym(s):
bread thiophene;NSC 87542

CAS NO.：13679-70-4

Empirical Formula: C6H6OS

Molecular Weight: 126.18

MDL number: MFCD00005434

EINECS: 237-178-6

PRODUCT Properties

• Melting point: 184-186 °C
• Boiling point: 114 °C/25 mmHg (lit.)
• Density: 1.17 g/mL at 25 °C (lit.)
• FEMA: 3209 | 5-METHYL-2-THIOPHENECARBOXALDEHYDE
• refractive index: n20/D 1.583(lit.)
• Flash point: 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
• biological source: synthetic
• 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)

Description and Uses

May be synthesized from thiophene (or its derivatives) and formamide in the presence of POCl3; from N-(2-thenyl)formaldimines.

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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H227
• Precautionary statements: P210e-P280a-P370+P378a-P403+P235-P501a
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 23-24/25-36-26-7/9-37
• WGK Germany: 3
• F: 8
• Hazard Note: Irritant
• TSCA: T
• HazardClass: IRRITANT, AIR SENSITIVE
• HS Code: 29349990