ChemicalBook > CAS DataBase List > 2-chloroterephthalic acid
2-chloroterephthalic acid
- Product Name
- 2-chloroterephthalic acid
- CAS No.
- 1967-31-3
- Chemical Name
- 2-chloroterephthalic acid
- Synonyms
- DK7441;DK7273;Chloroterephthalic acid;2-chloroterephthalicaci;2-chloroterephthalic acid;2-Chlorobenzene-1,4-dioicacid;1,4-Benzenedicarboxylic acid, 2-chloro-
- CBNumber
- CB2937210
- Molecular Formula
- C8H5ClO4
- Formula Weight
- 200.58
- MOL File
- 1967-31-3.mol
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2-chloroterephthalic acid Property
- Melting point:
- 306-308 °C
- Boiling point:
- 400.5±30.0 °C(Predicted)
- Density
- 1.586±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 2.45±0.25(Predicted)
- Appearance
- White to yellow Solid
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N-Bromosuccinimide Price
TCI Chemical
- Product number
- C3875
- Product name
- 2-Chloroterephthalic Acid
- Purity
- min. 98.0 %
- Packaging
- 200MG
- Price
- $81
- Updated
- 2025/07/31
TRC
- Product number
- C433403
- Product name
- 2-ChloroterephthalicAcid
- Packaging
- 10mg
- Price
- $45
- Updated
- 2021/12/16
TRC
- Product number
- C433403
- Product name
- 2-ChloroterephthalicAcid
- Packaging
- 50mg
- Price
- $155
- Updated
- 2021/12/16
Biosynth Carbosynth
- Product number
- FC151794
- Product name
- 2-Chlorobenzene-1,4-dioicacid
- Packaging
- 2mg
- Price
- $59
- Updated
- 2021/12/16
Biosynth Carbosynth
- Product number
- FC151794
- Product name
- 2-Chlorobenzene-1,4-dioicacid
- Packaging
- 5mg
- Price
- $117
- Updated
- 2021/12/16
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2-chloroterephthalic acid Chemical Properties,Usage,Production
Synthesis
10312-55-7
1967-31-3
General procedure for the synthesis of 2-chloroterephthalic acid from 2-aminoterephthalic acid: 1. a solution of sodium nitrite (3.8 g, 55 mmol) dissolved in water (18 ml) was slowly added to a suspension of 2-aminoterephthalic acid (10 g, 55 mmol) in concentrated hydrochloric acid (14.3 ml) and water (28.6 ml) at 0 to 5°C for 15 to 20 minutes. 2. After continued stirring at 0-5°C for 30 minutes, the reaction mixture was slowly added to a pre-cooled solution of cuprous chloride (12 g, 122 mmol) in concentrated hydrochloric acid (60 mL) while maintaining stirring. 3. The reaction mixture was allowed to gradually warm up to room temperature and stirring was continued for 3 hours. 4. Upon completion of the reaction, the reaction mixture was filtered and the solid product was collected and washed with ice-cold water (25 mL). 5. The crude product was dried under vacuum and then recrystallized from a solvent mixture of water and ethanol (9:1 v/v) to give 8 g of 2-chloroterephthalic acid as an off-white solid in 73% yield. 6. The structure of the product was confirmed by 1H NMR (CD3OD, δ ppm): 7.87 (1H, d, J = 7.8 Hz, Ar-H), 7.98 (1H, d, J = 7.8 Hz, Ar-H), 8.07 (1H, s, Ar-H).
References
[1] Patent: WO2010/59549, 2010, A1. Location in patent: Page/Page column 25
[2] Chemische Berichte, 1886, vol. 19, p. 1636
2-chloroterephthalic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2-chloroterephthalic acid manufacturers
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
- Product
- 2-chloroterephthalic acid 1967-31-3
- Price
- US $1.60-6.60/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2025-06-19
Longyan Tianhua Biological Technology Co., Ltd
- Product
- 2-chloroterephthalic acid 1967-31-3
- Price
- US $30.00/Kg/Bag
- Min. Order
- 25Kg/Bag
- Purity
- 99%
- Supply Ability
- 20 Tons
- Release date
- 2020-11-13
Career Henan Chemical Co
- Product
- 2-chloroterephthalic acid 1967-31-3
- Price
- US $8.66/KG
- Min. Order
- 1KG
- Purity
- 95.0%-99.0%
- Supply Ability
- 1kg-100kg
- Release date
- 2020-03-11