4-sulfophthalic acid, trisodium salt - Names and Identifiers
Name | 4-sulfophthalic acid, trisodium salt
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Synonyms | 4-sulfophthalic acid, trisodium salt 4-SULFOPHTHALIC ACID, TRISODIUM SALT 4-(Sodiosulfo)phthalic acid disodium salt 1,2-Benzenedicarboxylicacid,4-sulfo-,trisodiumsalt 4-Sulfophthalic acid trisodium salt technical grade
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CAS | 3325-08-4
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InChI | InChI=1/C8H6O7S.Na/c9-7(10)5-2-1-4(16(13,14)15)3-6(5)8(11)12;/h1-3H,(H,9,10)(H,11,12)(H,13,14,15) |
4-sulfophthalic acid, trisodium salt - Physico-chemical Properties
4-sulfophthalic acid, trisodium salt - Risk and Safety
Hazard Symbols | Xi - Irritant
![Irritant](//res.chembk.com/assets/images/hs/Xi.gif)
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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 - Wear suitable protective clothing.
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WGK Germany | 3 |
4-sulfophthalic acid, trisodium salt - Introduction
4-sulfophthalic acid, trisodium salt, chemical formula C8H5Na3O7S, is an organic compound with sulfonic acid group.
Nature:
-Appearance: 4-sulfophthalic acid, trisodium salt is a colorless crystalline or powdery solid.
-Solubility: Soluble in water, acidic solution.
-Stability: relatively stable at room temperature.
Use:
-Industrial use: 4-sulfophthalic acid, trisodium salt is mainly used in the dye industry as a raw material for synthetic dyes.
-Laboratory use: It is also widely used as an acid-base indicator, a labeling reagent and an intermediate in organic synthesis. At the same time, it can also be used as a chelating agent and complexing agent in water treatment.
Method:
The preparation of 4-sulfophthalic acid, trisodium salt is usually obtained by reacting 4-sulfonylsalicylic acid with sodium hydroxide. The specific procedure generally involves dissolving 4-sulfonylsalicylic acid and sodium hydroxide in an appropriate amount of water, followed by filtration and crystallization to obtain the product as a trisodium salt.
Safety Information:
-For the human body: 4-sulfophthalic acid, trisodium salt generally does not cause obvious harm to the human body under normal use conditions. However, in case of contact, rinse immediately with plenty of water and consult a professional.
-During storage and handling, please follow the correct laboratory safety practices, avoid inhaling dust, and avoid skin and eye contact.
Last Update:2024-04-10 22:29:15