2-Naphthalenesulfonic acid sodium salt
2-Naphthalenesulfonic acid sodium salt
CAS: 532-02-5
Molecular Formula: C10H7NaO3S
2-Naphthalenesulfonic acid sodium salt - Names and Identifiers
| Name | 2-Naphthalenesulfonic acid sodium salt |
| Synonyms | Beta Salt sodiumnaphthalene-2-sulfonate 2-Naphthalenesulfonicacid,sod Sodium 2-Naphthalenesulfonate 2-Naphthalenesulfonic acid sodium salt 2-NAPHTHALENESULFONICACIDSODIUMSALT,POWDER |
| CAS | 532-02-5 |
| EINECS | 208-523-8 |
| InChI | InChI=1/C10H8O3S/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,11,12,13)/p-1 |
2-Naphthalenesulfonic acid sodium salt - Physico-chemical Properties
| Molecular Formula | C10H7NaO3S |
| Molar Mass | 230.22 |
| Density | 0.4g/cm3 |
| Melting Point | 172-173 °C |
| Boling Point | 391.58℃ |
| Water Solubility | Soluble in water |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White crystalline powder |
| Color | White to Almost white |
| Maximum wavelength(λmax) | ['λ: 380 nm Amax: 0.1', , 'λ: 390 nm Amax: 0.05', , 'λ: 400 nm Amax: 0.02', , 'λ: 500 |
| BRN | 3659024 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00064186 |
| Physical and Chemical Properties | White crystalline or powder. Soluble in water, insoluble in alcohol. |
| Use | Used as an emulsifier for animal glue, also used in organic synthesis |
2-Naphthalenesulfonic acid sodium salt - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 2 |
| RTECS | QK3678000 |
| TSCA | Yes |
| HS Code | 29041000 |
2-Naphthalenesulfonic acid sodium salt - Introduction
White crystal or powder. Easily soluble in water, insoluble in alcohol.
Last Update：2022-10-16 17:25:58
2-Naphthalenesulfonic acid sodium salt - Reference Information
| LogP | 0.01 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | for organic synthesis. Used as an emulsifier for animal glue. Used as an emulsifier for animal glue and also used in organic synthesis |
| production method | 2-naphthalenesulfonic acid is produced from naphthalene by sulfonation, neutralized with aqueous suspension of calcium oxide, and filtered. The dilute filtrate of calcium salt of 2-naphthalene sulfonate is concentrated, cooled, crystallized and filtered. The filter cake is dissolved in hot water, saturated sodium carbonate solution is added until alkaline, calcium carbonate is filtered out after cooling, the filtrate is concentrated, cooled, and crystallized to obtain sodium 2-naphthalene sulfonate. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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2-Naphthalenesulfonic acid sodium salt
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