System to describe the chemical formulas for WEB.
Attention! The site in the process of rebranding.
The old name easyChem was too common. New name: CharChem.
The site is already available via the new domain charchem.org, which soon will become the main. However, the old domain easychem.org will also be available.

Phthalic anhydride

Find chemicals by name or formulas.
This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).

Type the part of name or the formula of substance for search:
Languages: | | | Apply to found

Phthalic anhydride

Molecular formula: C8H4O3 CAS# 85-44-9
Categories: Acid anhydride
Names
English:
1,2-Benzenedicarboxylic acid anhydride
1,2-Benzenedicarboxylic anhydride
1,3-Dioxophthalan
1,3-Isobenzofurandione(CAS)
1,3-Phthalandione
2-benzofuran-1,3-dione(IUPAC)
EINECS:201-607-5
ESEN
HT 901
Isobenzofuran-1,3-dione
NSC 10431
Phthalandione
Phthalanhydride
Phthalic acid anhydride
Phthalic anhydride
Retarder esen
UN 2214
Русский:
Фталевый ангидрид
ангидрид о-фталевой кислоты
German:
2-Benzofuran-1,3-dion
Phthalanhydrid
Phthalsäureanhydrid
Español:
2-benzofuran-1,3-dione(IUPAC)
Anhídrido ftálico
French:
1,3-isobenzofuranedione
2-benzofuran-1,3-dione
Anhydride phtalique
Italiano:
Anidride ftalica
anidride dell'acido 1,2-benzendicarbossilico(IUPAC)
日本語:
無水フタル酸
中文:
苯酐
邻苯二甲酸酐
酞酐
酞酸酐

Variants of the formula:

`//`\`||/\\|_q<_(a54,N2)O>_qO_q<_(a54,N2)O>_q
C6H4(CO)2O
`|`\`//|\\/`|/`|O|\O|\O`\_#1
\\/`||`\`//|_p<_(a-54,N2)O>_pO_p<_(a-54,N2)O>_p
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent