1,6-萘二磺酸
1,6-Naphthalenedisulfonic acid
CAS: 525-37-1
Molecular Formula: C10H8O6S2
1,6-萘二磺酸 - Names and Identifiers
| Name | 1,6-Naphthalenedisulfonic acid |
| Synonyms | Ewer-Pick acid 1,6-Naphthalenedisulfonic acid Naphthalene-1,6-disulfonic acid 1,6-Naphthalenedisulfonicacid |
| CAS | 525-37-1 |
1,6-萘二磺酸 - Physico-chemical Properties
| Molecular Formula | C10H8O6S2 |
| Molar Mass | 288.3 |
| Density | 1.6867 (rough estimate) |
| Melting Point | 125°C (rough estimate) |
| Boling Point | 400.53°C (rough estimate) |
| Flash Point | °C |
| pKa | -0.17±0.40(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5630 (estimate) |
1,6-萘二磺酸 - Risk and Safety
| UN IDs | 1759 |
| Hazard Class | 8 |
| Packing Group | III |
1,6-萘二磺酸 - Introduction
1,6-Naphthalenedisulfonic acid is an organic compound with the chemical formula C10H8O6S2. The following is a description of its nature, use, formulation and safety information:
Nature:
1,6-Naphthalenedisulfonic acid is a white crystalline powder, soluble in water and benzene. It is a strong acid that reacts with a base to form the corresponding salt. It is stable at room temperature, but will decompose under high temperature or ultraviolet light.
Use:
1,6-Naphthalenedisulfonic acid has many uses in the chemical industry. It can be used as a defoamer, dye intermediate and food additive. In addition, it can also be used in pulp bleaching, petroleum refining and electroplating processes.
Preparation Method:
The preparation method of 1,6-Naphthalenesulfonic acid is relatively simple. Usually, naphthalene is used as raw material to obtain 1,6-Naphthalenedisulfonic acid through sulfination of sulfuric acid.
Safety Information:
1,6-Naphthalenedisulfonic acid is irritating to a certain extent. Direct contact with skin and eyes should be avoided, and its dust should be avoided. Pay attention to safe operation and wear appropriate protective equipment during use. In case of careless contact, rinse immediately with plenty of water and seek medical help. Storage should avoid contact with oxidants, strong alkali and metal powder and other substances, stored in a dry, cool place.
Nature:
1,6-Naphthalenedisulfonic acid is a white crystalline powder, soluble in water and benzene. It is a strong acid that reacts with a base to form the corresponding salt. It is stable at room temperature, but will decompose under high temperature or ultraviolet light.
Use:
1,6-Naphthalenedisulfonic acid has many uses in the chemical industry. It can be used as a defoamer, dye intermediate and food additive. In addition, it can also be used in pulp bleaching, petroleum refining and electroplating processes.
Preparation Method:
The preparation method of 1,6-Naphthalenesulfonic acid is relatively simple. Usually, naphthalene is used as raw material to obtain 1,6-Naphthalenedisulfonic acid through sulfination of sulfuric acid.
Safety Information:
1,6-Naphthalenedisulfonic acid is irritating to a certain extent. Direct contact with skin and eyes should be avoided, and its dust should be avoided. Pay attention to safe operation and wear appropriate protective equipment during use. In case of careless contact, rinse immediately with plenty of water and seek medical help. Storage should avoid contact with oxidants, strong alkali and metal powder and other substances, stored in a dry, cool place.
Last Update：2024-04-09 20:52:54
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