disodium terephthalate - Names and Identifiers
Name | terephthalic acid, disodium salt
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Synonyms | Einecs 233-075-5 Disodium terephthaL Disodium telephthalate DISODIUM TEREPHTHALATE disodium terephthalate TEREPHTHALIC ACID DISODIUM SALT Terephthalic acid disodium salt terephthalic acid, disodium salt disodium benzene-1,4-dicarboxylate 1,4-Benzenedicarboxylic acid, disodium salt
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CAS | 10028-70-3
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EINECS | 233-075-5 |
InChI | InChI=1/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 |
disodium terephthalate - Physico-chemical Properties
Molecular Formula | C8H4Na2O4
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Molar Mass | 210.09 |
Boling Point | 392.4°C at 760 mmHg |
Flash Point | 205.3°C |
Water Solubility | Soluble in water. |
Vapor Presure | 7.35E-07mmHg at 25°C |
Appearance | Powder |
Color | White to Almost white |
Storage Condition | Room Temprature |
MDL | MFCD00013137 |
disodium terephthalate - Risk and Safety
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
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WGK Germany | 2 |
RTECS | WZ1400000 |
disodium terephthalate - Reference
Reference Show more | 1. [IF=10.588] Siyu Sun et al.Photo-Fenton degradation of carbamazepine and ibuprofen by iron-based metal-organic framework under alkaline condition.J Hazard Mater. 2022 Feb;424:127698
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disodium terephthalate - Introduction
The disodium salt of terephthalic acid, the chemical formula is Na2C6H4(COONa)2, also known as disodium phthalate or disodium dicarboxylate. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1. terephthalic acid disodium salt is a colorless crystal, soluble in water and alcohol solvents.
2. It has a certain degree of stability and is not easy to decompose under appropriate conditions.
3. disodium terephthalate will decompose at high temperature and produce harmful gas.
Use:
1. Terephthalic acid disodium salt is often used in industry as a dye and mordant.
2. It is also used as a fixing agent for fibers, leather and paper.
3. The disodium salt of terephthalic acid can also be used to prepare other organic compounds, such as softeners and fluorescent whitening agents.
Preparation Method:
The disodium salt of terephthalic acid is usually prepared by reacting terephthalic acid with sodium hydroxide. The specific step is to first dissolve terephthalic acid and an appropriate amount of sodium hydroxide in a solvent, then heat react for a period of time, and finally cool and crystallize to obtain a product.
Safety Information:
1. Terephthalic acid disodium salt is generally safe under conventional use conditions, but avoid inhalation of dust and contact with the skin and eyes.
2. Appropriate personal protective measures, such as gloves, safety glasses and respiratory protective equipment, should be taken when handling the compound.
3. Terephthalic acid disodium salt should be stored in a dry, cool place, away from fire and oxidant.
Please note that the above information is for reference only. The specific operation and use should follow the laboratory safety operation procedures and relevant regulations.
Last Update:2024-04-10 22:29:15