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Terephthalic acid

CAS 100-21-0: Terephthalic acid

Description:Terephthalic acid, with the CAS number 100-21-0, is a white crystalline solid that is primarily used as a precursor in the production of polyethylene terephthalate (PET), a widely used polymer in textiles and plastic bottles. It is an aromatic dicarboxylic acid, characterized by its two carboxyl (-COOH) functional groups attached to a benzene ring. Terephthalic acid is sparingly soluble in water but soluble in organic solvents such as ethanol and acetone. It has a melting point that typically falls within a specific range, indicating its stability under various conditions. The compound is known for its high thermal stability and resistance to degradation, making it suitable for high-temperature applications. Additionally, terephthalic acid can undergo various chemical reactions, including esterification and polymerization, which are essential for its role in producing synthetic fibers and plastics. Safety data indicates that it should be handled with care, as it may cause irritation upon contact with skin or eyes.

Formula:C8H6O4

InChI:InChI=1S/C8H6O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h1-4H,(H,9,10)(H,11,12)

InChI key:InChIKey=KKEYFWRCBNTPAC-UHFFFAOYSA-N

SMILES:O=C(O)C1=CC=C(C=C1)C(=O)O

  • Synonyms:
  • (1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-4a,7b,9,9a-tetrahydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-5H-cyclopropa[3,4]benzo[1,2-e]azulen-5-one
  • 1,4-Benzenedicarboxylic Acid, Para-Phthalic Acid
  • 1,4-Benzenedicarboxylic acid
  • 1,4-Dicarboxybenzene
  • 1,4-Phthalicacid
  • 4-Carboxybenzoic acid
  • Acide terephtalique
  • Acideterephtalique
  • Acideterephtalique(French)
  • Acido Tereftalico
  • See more synonyms
  • Amoco TA 33
  • Benzene-1,4-dicarboxylic acid
  • Benzene-p-dicarboxylic acid
  • Kyselina tereftalova
  • Kyselina terftalova
  • Nsc 36973
  • P-Phthelic Acid
  • PTA
  • Ptm 6633
  • Purified Terephthalic Acid
  • QTA
  • S-Lop
  • TPA
  • TPA (terephthalic acid)
  • Ta 33Lp
  • Terephthalsaeure
  • Terephthalsaure
  • Wr 16262
  • p-Benzenedicarboxylic acid
  • p-Carboxybenzoic acid
  • p-Dicarboxybenzene
  • p-Phthalic acid
  • para-Phthalic acid
  • Terephthalic acid
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Found 15 products.

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Terephthalic Acid

CAS:100-21-0

Ref: 3B-T0166

25g27.00 €
500g43.00 €
Estimated delivery in United States, on Monday 7 Apr 2025
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Terephthalic acid, 98+%

CAS:100-21-0

Ref: 02-A12527

10kgTo inquire
250g26.00 €
500g42.00 €
Estimated delivery in United States, on Tuesday 8 Apr 2025
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Ecamsule Related Compound C (terephthalic acid)

CAS:100-21-0

Ref: 45-1231637

50mg1,292.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
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Ref: IN-DA00005N

25gTo inquire
100g22.00 €
500g25.00 €
Estimated delivery in United States, on Monday 14 Apr 2025
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Terephthalic Acid

CAS:100-21-0

Ref: 54-OR1015111

25g32.00 €
100g36.00 €
500g76.00 €
2.5kg290.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
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Terephthalic acid

CAS:100-21-0

Ref: 7W-GK1161

25g27.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
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Terephthalic acid

CAS:100-21-0

Ref: 54-BUP18297

5g84.00 €
500mg71.00 €
Estimated delivery in United States, on Tuesday 15 Apr 2025
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Terephthalic acid, 99+%

CAS:100-21-0

Ref: AC-18072

1kg72.00 €
5kg227.00 €
250g30.00 €
25kg858.00 €
500g45.00 €
Estimated delivery in United States, on Thursday 17 Apr 2025
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Terephthalic acid

CAS:100-21-0

Ref: 04-C17321500

250mg54.00 €
Estimated delivery in United States, on Thursday 17 Apr 2025
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Benzene-1,4-dicarboxylic acid

CAS:100-21-0

Ref: 10-F358209

1g12.00 €
10g14.00 €
25g17.00 €
100g21.00 €
500g24.00 €
Estimated delivery in United States, on Thursday 17 Apr 2025
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Terephthalic acid

CAS:100-21-0

Ref: TM-T8031

5g55.00 €
500mg49.00 €
1mL*10mM (DMSO)50.00 €
Estimated delivery in United States, on Monday 21 Apr 2025
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Ref: 4Z-E-178005

5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Monday 21 Apr 2025
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Terephthalic Acid

CAS:100-21-0

Ref: TR-T112500

5g97.00 €
Estimated delivery in United States, on Thursday 24 Apr 2025
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Terephthalic acid

CAS:100-21-0

Ref: 3D-FT28042

1kg231.00 €
2kg361.00 €
5kg643.00 €
10kg913.00 €
25kg1,614.00 €
Estimated delivery in United States, on Friday 25 Apr 2025
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Terephthalic Acid pure, 98%

CAS:100-21-0

Ref: SR-20428

5kg47.00 €
500g25.00 €
Estimated delivery in United States, on Monday 12 May 2025
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