trisodium naphthalene-1,3,6-trisulphonate
naphthalene-1,3,6-trisulfonic acid tri-sodium salt hydrate
CAS: 5182-30-9
Molecular Formula: C10H5Na3O9S3
trisodium naphthalene-1,3,6-trisulphonate - Names and Identifiers
| Name | naphthalene-1,3,6-trisulfonic acid tri-sodium salt hydrate |
| Synonyms | 1,3,6-Naphthalene-Trisulphonate SODIUM-1,3,6-NAPHTHALENETRISULFONATE SODIUM NAPHTHALENE-1,3,6-TRISULFONATE trisodium naphthalene-1,3,6-trisulfonate trisodium naphthalene-1,3,6-trisulphonate 1,3,6-Naphthalene Trisulfonic Acid Trisodium NAPHTHALENE-1,3,6-TRISULFONIC ACID TRISODIUM SALT Sodium 1,3,6-naphthalenetrisulfonate tribasic hydrate naphthalene-1,3,6-trisulfonic acid tri-sodium salt hydrate |
| CAS | 5182-30-9 |
| EINECS | 225-962-0 |
| InChI | InChI=1/C10H8O9S3.3Na/c11-20(12,13)7-1-2-9-6(3-7)4-8(21(14,15)16)5-10(9)22(17,18)19;;;/h1-5H,(H,11,12,13)(H,14,15,16)(H,17,18,19);;;/q;3*+1/p-3 |
| InChIKey | NJPKYOIXTSGVAN-UHFFFAOYSA-K |
| Canonical Smiles | dyeing and finishing auxiliaries |
trisodium naphthalene-1,3,6-trisulphonate - Physico-chemical Properties
| Molecular Formula | C10H5Na3O9S3 |
| Molar Mass | 434.31 |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| Storage Condition | Inert atmosphere,Room Temperature |
| MDL | MFCD00003989 |
| Physical and Chemical Properties | Light yellow liquid, soluble in water, resistant to acid, alkali, hard water, and inorganic salts, with good diffusion and solubilization properties. |
| Use | Used as a stabilizer for diazotization solutions of ice dyeing dyes. It can stabilize diazonium compounds, reduce the decomposition of diazonium solution, and disperse the tar like products after diazonium salt decomposition, avoiding contamination of fabrics or rollers, facilitating continuous operation for a long time. |
trisodium naphthalene-1,3,6-trisulphonate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 38 - Irritating to the skin |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
trisodium naphthalene-1,3,6-trisulphonate - Introduction
Open Data Unverified Data
Properties: 1,3,6-Naphthalene trisulfonic acid trisodium salt hydrate is a white crystalline solid with good solubility. It is an organic sulfonic acid salt with good solubility and stability.
Applications: It is mainly used as a dye intermediate and finds wide applications in the dye industry and organic synthesis field. Additionally, it can be used for the preparation of other organic synthesis intermediates and pharmaceutical raw materials.
Synthesis: 1,3,6-Naphthalene trisulfonic acid trisodium salt is synthesized by reducing and nitration of 1,3,6-trinitronaphthalene followed by sulfonation under alkaline conditions.
Safety: 1,3,6-Naphthalene trisulfonic acid trisodium salt hydrate is generally considered to have low toxicity and good stability under normal industrial usage conditions. However, inhalation of its dust or solution should be avoided, as well as skin and eye contact. Proper personal protective equipment should be worn during handling, and adequate ventilation should be ensured.
Last Update：2024-04-09 19:43:38
trisodium naphthalene-1,3,6-trisulphonate - Preparation method
Open Data Verified Data
Firstly, a sulfonation reaction occurs between refined naphthalene and oleic acid to obtain 1,3,6 naphthalene trisulfonic acid. After diluting the product, lime is added to neutralize excess sulfuric acid and react with naphthalene trisulfonic acid to obtain calcium salt of naphthalene trisulfonic acid. After the calcium salt is filtered and washed, pure alkali is added to the filter cake to react with it to obtain the sodium salt of naphthalene trisulfonic acid. Filter, wash, and dry the reaction products to obtain the finished product.
Last Update：2024-01-02 23:10:35
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CAS: 5182-30-9
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