Phthalic Anhydride

C₈H₄O₃

IUPAC: 2-Benzofuran-1,3-dione

CAS: 85-44-9

Tổng quan

Phthalic anhydride is one of the most important industrial organic chemicals, used to make plasticizers, alkyd resins, and dyes.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 4 1,0080
Carbon C 8 12,0110
Oxygen O 3 15,9990

Thành phần nguyên tố

H
Hydrogen ×4
2,7%
C
Carbon ×8
64,9%
O
Oxygen ×3
32,4%

Công dụng

  • • Plasticizer production (DOP)
  • • Alkyd resin
  • • Unsaturated polyester
  • • Dye synthesis

Sự thật thú vị

  • ✦ Over 5 million tonnes produced annually worldwide, one of the largest-volume organic chemicals

An toàn

  • ⚠ Irritant
  • ⚠ Sensitizer

Structure

SMILES

C1=CC=C2C(=C1)C(=O)OC2=O

Tính chất

Loại
organic
Trạng thái
solid
Khối lượng mol
148,12 g/mol
Mật độ
1,5270 g/cm³
Điểm nóng chảy
131,0 °C
Điểm sôi
295,0 °C
Độ hòa tan
decomposes

Molecular Descriptors

Exact Mass
148,0160
XLogP
1,3
TPSA
43,4 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
11
Complexity
187,0

Hợp chất liên quan

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

Frequently Asked Questions

What is Phthalic Anhydride?
Phthalic Anhydride (C₈H₄O₃) is a organic compound with the IUPAC name 2-Benzofuran-1,3-dione.
What is the molecular weight of Phthalic Anhydride?
Phthalic Anhydride has a molar mass of 148.12 g/mol.
What state is Phthalic Anhydride at room temperature?
Phthalic Anhydride is a solid at room temperature.
Is Phthalic Anhydride organic or inorganic?
Phthalic Anhydride is classified as an organic compound.
What elements make up Phthalic Anhydride?
Phthalic Anhydride (C₈H₄O₃) is composed of Hydrogen (H), Carbon (C), Oxygen (O).