3-aminobenzene sulfonate sodium
sodium 3-aminobenzenesulphonate
CAS: 1126-34-7
Molecular Formula: C6H6NNaO3S
3-aminobenzene sulfonate sodium - Names and Identifiers
| Name | sodium 3-aminobenzenesulphonate |
| Synonyms | nacan metanilansodny sodium metanilate m-aminobenzenesulfonic Metanilic acid sodium salt 3-aminobenzenesulfonic acid Sodium3-aminobenzenesulfonate sodium 3-aminobenzenesulfonate sodium 3-aminobenzenesulphonate 3-aminobenzene sulfonate sodium m-amino-benzenesulfonicacisodiumsalt m-Aminobenzene sulfonic acid sodiumsalt m-amino-benzenesulfonic acid sodium salt Benzenesulfonicacid,3-amino-,monosodiumsalt sodium [(3-aminophenyl)(dimethylidene)-lambda~6~-sulfanyl]oxidanide |
| CAS | 1126-34-7 |
| EINECS | 214-419-3 |
| InChI | InChI=1/C6H7NO3S.Na/c7-5-2-1-3-6(4-5)11(8,9)10;/h1-4H,7H2,(H,8,9,10);/q;+1/p-1 |
| InChIKey | GLXWXYTYBIBBLD-UHFFFAOYSA-M |
3-aminobenzene sulfonate sodium - Physico-chemical Properties
| Molecular Formula | C6H6NNaO3S |
| Molar Mass | 195.17 |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | Light Beige to Beige Semi-Solid |
| Storage Condition | Hygroscopic, Refrigerator, under inert atmosphere |
| Stability | Hygroscopic |
| Physical and Chemical Properties | Character: White fine crystals. |
3-aminobenzene sulfonate sodium - Upstream Downstream Industry
| Raw Materials | Sulfuric acid Iron Iron Nitrobenzene |
3-aminobenzene sulfonate sodium - Nature
Open Data Verified Data
The white fine crystal, a crystal obtained from water, has a decomposition temperature of 302 to 304 °c.
Last Update：2024-01-02 23:10:35
3-aminobenzene sulfonate sodium - Preparation Method
Open Data Verified Data
The sulfonation reaction was carried out by nitrobenzene and fuming sulfuric acid, the reaction product was neutralized to Neutral with liquid alkali, and the M-nitrobenzenesulfonic acid sodium salt solution was obtained by filtration. The solution was reduced to M-aminobenzenesulfonate by using iron chips as a catalyst, and the iron sludge was removed by filtration. The filtrate was the M-aminobenzenesulfonate sodium salt solution. Sulfuric acid was added to the acid-decanting pot until the Congo red paper turned blue and the temperature was maintained at 70 °c. Then centrifugal filtration is the m-aminobenzenesulfonic acid sodium slurry.
Last Update：2022-01-01 10:55:31
3-aminobenzene sulfonate sodium - Use
Open Data Verified Data
mainly used as azo dyes and pharmaceutical intermediates.
Last Update：2022-01-01 10:55:30
3-aminobenzene sulfonate sodium - Safety
Open Data Verified Data
- toxic. Swallowing or absorption through the skin can cause severe poisoning. But its toxicity is far smaller than aniline, not carcinogenic. The production process should be strictly prevented by mistake or splash and skin, production equipment should be sealed to prevent leakage, the operator should wear protective equipment.
- plastic bags, external use of iron drum or barrel packaging. 50kg per barrel. Store in a cool, ventilated, dry place, heat, moisture, sunscreen. According to the provisions of toxic substances storage and transportation.
Last Update：2022-01-01 10:55:31
3-aminobenzene sulfonate sodium - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used to make azo, reactive, acidic, vulcanized and other dyes azo dyes and pharmaceutical intermediates. |
| Production method | It is obtained by sulfonation and reduction of nitrobenzene. Consumption quota of raw materials: 940kg/t of nitrobenzene (industrial products), 4035kg/t of fuming sulfuric acid (containing SO 320%), 1001kg/t of iron filings (industrial products), 2503kg/t of liquid alkali (30%) and 496kg/t of sulfuric acid (98%). |
| category | toxic substances |
| toxicity classification | low toxicity |
| acute toxicity | reference value: oral-mouse LD50: 12300 mg/kg |
| stimulation data | eyes-rabbit 0.75 mg/24 hours severe |
| flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxides and sulfur oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
Last Update：2024-04-09 02:00:06
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CAS: 1126-34-7
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Raw Materials for 3-aminobenzene sulfonate sodium