2-Hydroxyterephthalic acid

Basic Information

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CAS Number

636-94-2

Molecular Formula

C8H6O5

Molecular Weight

182.13 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

322°C

Boiling Point

436.9°C at 760 mmHg

Density

1.612

Flash Point

232.2°C

Refractive Index

1.666

SMILES

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O=C(O)C1=CC=C(C(O)=O)C=C1O

InChI

InChI=1S/C8H6O5/c9-6-3-4(7(10)11)1-2-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)

InChIKey

CDOWNLMZVKJRSC-UHFFFAOYSA-N

LogP

0.7886

Topological Polar Surface Area

94.83 Å²

Hydrogen Bond Donor/Acceptor

3 / 5

Complexity

225

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

Synonyms & References

English

2-Hydroxyterephthalic acid
1,4-Benzenedicarboxylicacid, 2-hydroxy-
2-HYDROXYBENZENE-1,4-DIOIC ACID
2-Hydroxy-1,4-benzenedicarboxylic acid
H2BDC-OH
2-hydroxybenzene-1,4-dicarboxylic acid
Hydroxyterephthalic acid
1,4-Benzenedicarboxylic acid, 2-hydroxy-
CDOWNLMZVKJRSC-UHFFFAOYSA-N
2-hydroxyterephthalicacid
2,5-Dicarboxyphenol
2-hydroxy terephthalic acid
2-Hydroxyterephthalic acid #
AMBZ0315
NSC109098
SBB052673
FCH836418
TRA0042

MDL Number

MFCD09835368

Customs Code

2918290000

FAQ

What is 2-Hydroxyterephthalic acid (CAS: 636-94-2)?

2-Hydroxyterephthalic acid is a dicarboxylic acid with the formula C9H8O4. It is a white crystalline solid with a pungent odor. It is an important intermediate in the production of polyethylene terephthalate (PET) and is used in the synthesis of various organic compounds and dyes.

What are the main uses of 2-Hydroxyterephthalic acid (CAS: 636-94-2)?

2-Hydroxyterephthalic acid is primarily used in the production of polyester fibers and films, as well as in the synthesis of other organic compounds and dyes. It is also used in the pharmaceutical industry for the synthesis of certain drugs and intermediates.

Is 2-Hydroxyterephthalic acid (CAS: 636-94-2) safe?

2-Hydroxyterephthalic acid is generally considered safe when handled properly. However, it can irritate the eyes and skin, and inhalation may cause respiratory irritation. Proper protective measures, such as gloves, goggles, and a fume hood, should be used during handling. It is important to follow all safety guidelines provided by the manufacturer.

How should 2-Hydroxyterephthalic acid (CAS: 636-94-2) be stored?

2-Hydroxyterephthalic acid should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in tightly sealed containers to prevent moisture absorption. The storage temperature should be maintained below 30°C to avoid degradation. Good air circulation is also recommended to prevent the formation of potentially explosive conditions.