Home >> Chemicals Listing >> hot product list by 2  

2,5-thiophenedicarboxylic acid (4282-31-9)

Identification
Name:2,5-thiophenedicarboxylic acid
Synonyms:Thiophene-2,5-dicarboxylic acid; Thiophene-2,5-Dicarboxyl Acid
CAS:4282-31-9
EINECS: 224-284-2
Molecular Formula: C6H4O4S
Molecular Weight: 172.15
InChI: InChI=1/C6H4O4S/c7-5(8)3-1-2-4(11-3)6(9)10/h1-2H,(H,7,8)(H,9,10)
Molecular Structure: (C6H4O4S) Thiophene-2,5-dicarboxylic acid; Thiophene-2,5-Dicarboxyl Acid
Properties
Flash Point: 222.7 oC
Boiling Point: 444.6 oCat 760 mmHg
Density:1.655 g/cm3
Refractive index:?
Solubility:Very soluble
Appearance:white to light yellow crystal powder
Specification:

?2,5-Thiophenedicarboxylic acid , its cas register number is 4282-31-9. It also can be called Thiophene-2,5-dicarboxylic acid ; and NSC 81789 . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, 2,5-Thiophenedicarboxylic acid (CAS NO.4282-31-9) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products:?Carbon monoxide, carbon dioxide, sulfur oxides (SOx), including sulfur oxide and sulfur dioxide.

Flash Point: 222.7 oC
Safety Data
Hazard Symbols Xi:Irritant
 

Other Product