4-Chlorophthalic acid

Basic Information

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CAS Number

89-20-3

Molecular Formula

C8H5ClO4

Molecular Weight

200.57 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

144-149°C

SMILES

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C1=CC(=C(C=C1Cl)C(=O)O)C(=O)O

InChI

InChI=1S/C8H5ClO4/c9-4-1-2-5(7(10)11)6(3-4)8(12)13/h1-3H,(H,10,11)(H,12,13)

InChIKey

DVIPPHSQIBKWSA-UHFFFAOYSA-N

LogP

1.7364000000000004

Topological Polar Surface Area

74.6 Å²

Hydrogen Bond Donor/Acceptor

2 / 4

Complexity

228

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

F7T40O3AM6
SB39651
C8H5ClO4
4 -chlorophthalic acid
EINECS 201-886-3
SY083787
STL426764
NSC-57755
4-chlorphthalsyre
DTXSID2045022
NSC57755
89-20-3
UNII-F7T40O3AM6
4-CHLORO-1,2-BENZENEDICARBOXYLIC ACID
W-100382
FT-0618255
CCG-233831
AC-14544
A843091
4-Chloro-phthalic acid
Q27277785
AMY28253
4-chlorobenzene-1,2-dicarboxylic acid
MFCD00044755
J95.379B
AS-14281
4-CHLOROPHTHALIC ACID
InChI=1/C8H5ClO4/c9-4-1-2-5(7(10)11)6(3-4)8(12)13/h1-3H,(H,10,11)(H,12,13
CS-0101178
BBL035506
NSC 57755

MDL Number

MFCD00044755

Customs Code

2917399090

FAQ

What are the physical and chemical properties of 4-Chlorophthalic acid (CAS: 89-20-3)?

4-Chlorophthalic acid (CAS: 89-20-3) is a crystalline solid with a molecular weight of 152.55 g/mol. It is slightly soluble in water. Chemically, it is reactive towards bases and can undergo esterification reactions. It is stable under normal conditions but should be stored in a dry place to prevent hydrolysis.

How is 4-Chlorophthalic acid (CAS: 89-20-3) typically synthesized?

4-Chlorophthalic acid can be synthesized by chlorinating phthalic anhydride. The process involves the reaction of phthalic anhydride with chlorine gas in the presence of a phase transfer catalyst. The yield is around 85-90%, and the product is purified by recrystallization.

What industries use 4-Chlorophthalic acid (CAS: 89-20-3)?

4-Chlorophthalic acid is used in the pharmaceutical industry for the synthesis of certain drugs, in the polymer industry for producing polyesters, and in the sensor industry for creating sensors. It also finds applications in the semiconductor industry for surface treatment.

What precautions should be taken when handling 4-Chlorophthalic acid (CAS: 89-20-3)?

When handling 4-Chlorophthalic acid (CAS: 89-20-3), it is important to use gloves, safety glasses, and a lab coat. Work in a fume hood to avoid inhalation of fumes. Spills should be cleaned up using appropriate absorbents, and the material safety data sheet (MSDS) should be consulted for specific safety guidelines.