5-Ethyl-2-thiophenecarboxaldehyde Property

Melting point:

65°C

Boiling point:

65 °C2 mm Hg(lit.)

Density 

1.12 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.57(lit.)

Flash point:

229 °F

storage temp. 

Refrigerator

Odor

at 0.10 % in propylene glycol. like benzaldehyde

Odor Type

fruity

Sensitive 

Air Sensitive

BRN 

108539

LogP

1.727 (est)

CAS DataBase Reference

36880-33-8(CAS DataBase Reference)

EPA Substance Registry System

2-Thiophenecarboxaldehyde, 5-ethyl- (36880-33-8)

Safety

Risk Statements 

20/21/22

Safety Statements 

24/25

WGK Germany 

3

TSCA 

Yes

HS Code 

29349990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H312Harmful in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P363Wash contaminated clothing before reuse.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

5-Ethyl-2-thiophenecarboxaldehyde Chemical Properties,Usage,Production

Chemical Properties

CLEAR RED-BROWN TO BROWN LIQUID

Uses

5-Ethyl-2-thiophenecarboxaldehyde may be used in the preparation of 6-(butylamino)-2-(5-ethylthiophen-2-yl)-3-(4-fluorobenzyl)-2,3-dihydroquinazolin-4(1H)-one.

General Description

5-Ethyl-2-thiophenecarboxaldehyde is an alkyl derivative of thiophenecarboxaldehyde. Its standard molar enthalpies of combustion and vaporization have been evaluated.