2-Chloro-5-thiophenecarboxaldehyde

CAS NO.：7283-96-7
Empirical Formula: C5H3ClOS
Molecular Weight: 146.59
MDL number: MFCD00047090
EINECS: 230-708-7
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 05:23:44

What is 2-Chloro-5-thiophenecarboxaldehyde?

Chemical properties

clear yellow liquid

The Uses of 2-Chloro-5-thiophenecarboxaldehyde

5-Chloro-2-thiophenecarboxaldehyde is used in the evaluation of 2-benzylidene-1-tetralone derivative as antagonists of A1 and A2A adenosine receptors.

The Uses of 2-Chloro-5-thiophenecarboxaldehyde

5-Chloro-2-thiophenecarboxaldehyde may be used for synthesis of 2-heteroaryl-α-methyl-5-benzoxazoleacetic acids and N,N′-bis[(E)-(5-chloro-2-thienyl)methylidene]ethane-1,2-diamine

General Description

5-Chloro-2-thiophenecarboxaldehyde is a thiophene derivative.

Properties of 2-Chloro-5-thiophenecarboxaldehyde

Boiling point:	99 °C/21 mmHg (lit.)
Density	1.376 g/mL at 25 °C (lit.)
refractive index	n20/D 1.604(lit.)
Flash point:	208 °F
storage temp.	Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Crystalline Powder or Solid
color	White to tan
Sensitive	Air Sensitive
CAS DataBase Reference	7283-96-7(CAS DataBase Reference)
NIST Chemistry Reference	2-Thiophenecarboxaldehyde, 5-chloro-(7283-96-7)
EPA Substance Registry System	2-Thiophenecarboxaldehyde, 5-chloro- (7283-96-7)

Safety information for 2-Chloro-5-thiophenecarboxaldehyde

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H312:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P501:Dispose of contents/container to..…