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ChemicalBook CAS DataBase List 4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride

4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride Structure

4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride

Product Name4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride
CAS129808-00-0
CBNumberCB43038235
MFC18H6O6
MW318.24
EINECS695-093-3
MOL File129808-00-0.mol

Chemical Properties

Melting point	350 °C(dec.)
Boiling point	633.9±40.0 °C(Predicted)
Density	1.65±0.1 g/cm3(Predicted)
form	powder to crystal
color	White to Orange to Green

Safety

Symbol(GHS)

Signal word

Warning

Hazard statements

H315-H319

Precautionary statements

<ahref="/Hazard-Statements.pdf">P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313

HS Code

2917.39.7000

NFPA 704:

	0
2		0

4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride Price

Product number	Packaging	Price	Product description	Buy
TCI Chemical E1412	5G	$180	4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride (purified by sublimation)	Buy
TCI Chemical E1164	5g	$67	4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride >98.0%(HPLC)(T)	Buy
TCI Chemical E1164	25g	$219	4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride >98.0%(HPLC)(T)	Buy
TCI Chemical E1412	1G	$59	4,4'-(Ethyne-1,2-diyl)diphthalic Anhydride (purified by sublimation)	Buy
TRC D485873	50mg	$45	5-[2-(1,3-dioxo-2-benzofuran-5-yl)ethynyl]-2-benzofuran-1,3-dione	Buy

Preparation Products And Raw materials

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