Disodium terephthalate

Basic Information

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CAS Number

10028-70-3

Molecular Formula

C8H4Na2O4

Molecular Weight

210.09 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Boiling Point

392.4 ℃ at 760 mmHg

Density

g/cm3

Water Solubility

Soluble in water.

Flash Point

205.3 ℃

SMILES

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C1=CC(=CC=C1C(=O)[O-])C(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/C8H6O4.2Na/c9-7(10)5-1-2-6(4-3-5)8(11)12;;/h1-4H,(H,9,10)(H,11,12);;/q;2*+1/p-2

InChIKey

VIQSRHWJEKERKR-UHFFFAOYSA-L

LogP

-1.58640

Complexity

158

Synonyms & References

English

D95229
Terephthalic acid disodium salt
UNII-GI30ZOC0OO
EINECS 233-075-5
J-000085
VIQSRHWJEKERKR-UHFFFAOYSA-L
disodium;terephthalate
SCHEMBL104073
FT-0636616
NS00082520
Disodium terephthalate
SODIUM TEREPHTHALATE
MFCD00013137
Terephthalic acid disodium salt; disodium terephthalate
10028-70-3
A897506
Terephthalic acid, disodium salt
DTXSID50143097
disodium benzene-1,4-dicarboxylate
GI30ZOC0OO
T1097
1,4-Benzenedicarboxylic acid, sodium salt (1:2)
AKOS025293931
AS-67368
SODIUMTEREPHTHALATE
Q27279116
terephthalic acid, disodium salt
disodium terephthalate
Sodium Terephthalate
1,4-benzenedicarboxylate disodium salt
1,4-benzenedicarboxylic acid sodium salt

MDL Number

MFCD00013137

Customs Code

2917369000

FAQ

What are the physical and chemical properties of Disodium terephthalate (CAS: 10028-70-3)?

Disodium terephthalate (CAS: 10028-70-3) is a crystalline white powder with a molecular weight of approximately 234.12 g/mol. It is highly soluble in water and has a low solubility in ethanol. Chemically, it is stable under normal conditions but can react with strong bases. It is often used in the production of polyester and as a food additive.

How is Disodium terephthalate (CAS: 10028-70-3) typically synthesized?

Disodium terephthalate is typically synthesized by the esterification of terephthalic acid with sodium hydroxide. The process involves the reaction of terephthalic acid with sodium hydroxide to produce sodium terephthalate, which is then neutralized with sulfuric acid to form the disodium salt. Common catalysts include sulfuric acid and other strong acids, with moderate selectivity and high yield.

What industries use Disodium terephthalate (CAS: 10028-70-3)?

Disodium terephthalate (CAS: 10028-70-3) is widely used in the polyester industry, particularly in the production of polyethylene terephthalate (PET) for packaging materials, fibers, and films. It is also used in the pharmaceutical industry as a food additive due to its low toxicity and stability.

What precautions should be taken when handling Disodium terephthalate (CAS: 10028-70-3)?

When handling Disodium terephthalate (CAS: 10028-70-3), proper personal protective equipment (PPE) such as gloves, goggles, and a lab coat should be worn. It should be stored in a cool, dry place away from strong acids and bases. In case of a spill, it should be cleaned up using appropriate methods, and the area should be well-ventilated. Refer to the Safety Data Sheet (SDS) for detailed instructions.