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| CAS No.: | 93-01-6 | |
|---|---|---|
| Name: | 6-Hydroxynaphthalene-2-sulphonic acid | |
| Article Data: | 54 | |
| Molecular Structure: | ||
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| Formula: | C10H8 O4 S | |
| Molecular Weight: | 224.237 | |
| Synonyms: | 2-Hydroxy-6-naphthalenesulfonicacid; 2-Naphthol-6-sulfonic acid; 6-Hydroxy-2-naphthalenesulfonic acid; NSC5871; Schaeffer's acid; Schaeffer's b-acid; Schaeffer's b-naphtholsulfonic acid; Schaffer's acid; b-Naphthol-6-sulfonic acid; b-Naphtholsulfonic acid S | |
| EINECS: | 202-209-4 | |
| Density: | 1.549 g/cm3 | |
| Melting Point: | >300 ºC(lit.) | |
| Boiling Point: | ||
| Solubility: | soluble AUTOIGNITION | |
| Appearance: | White to gray-yellow powder | |
| Hazard Symbols: | TSCA listed UN NO. | |
| Risk Codes: | 36/37/38 | |
| Safety: | Poison by ingestion. Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic fumes of SOx. See also SULFONATES. | |
| Transport Information: | 25kgs | |
| PSA: | 82.98000 | |
| LogP: | 2.87290 | |
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| Conditions | Yield |
|---|---|
| With sulfuric acid | |
| With 1,4-dioxane; sulfur trioxide; 1,2-dichloro-ethane | |
| With chlorosulfonic acid; 1,1,2,2-tetrachloroethane at 100℃; | |
| With sulfuric acid at 80℃; for 6h; Temperature; | 128 g |
- 80073-10-5
1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid
- 118-28-5
1-amino-2-ethoxy-naphthalene-6-sulphonic acid
- 93-01-6
2-naphthol-6-sulfonic acid
- 93-01-6
2-naphthol-6-sulfonic acid
| Conditions | Yield |
|---|---|
| With mineral acid |
- 80073-10-5
1-acetamino-2-hydroxy-naphthalene-6-sulphonic acid
- 75-00-3
chloroethane
- 118-28-5
1-amino-2-ethoxy-naphthalene-6-sulphonic acid
- 93-01-6
2-naphthol-6-sulfonic acid
| Conditions | Yield |
|---|---|
| With potassium hydroxide |
| Conditions | Yield |
|---|---|
| With sulfuric acid | |
| With sulfuric acid |
| Conditions | Yield |
|---|---|
| With sulfuric acid at 60℃; Trennung ueber mehreren Stufen nach mehreren Verfahren (Trennung der γ-Saeure von der R-Saeure); | |
| With sulfuric acid at 60℃; Trennung ueber mehreren Stufen nach mehreren Verfahren (Trennung der γ-Saeure von der R-Saeure); |
- 93-01-6
2-naphthol-6-sulfonic acid
| Conditions | Yield |
|---|---|
| With water at 60℃; |
- 93-01-6
2-naphthol-6-sulfonic acid
| Conditions | Yield |
|---|---|
| With quartz sand at 200℃; |
- 93-01-6
2-naphthol-6-sulfonic acid
| Conditions | Yield |
|---|---|
| With potassium hydrogensulfate at 200℃; |
| Conditions | Yield |
|---|---|
| With sulfuric acid at 90 - 100℃; |
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Chemistry
6-Hydroxy-2-Naphalenesulfonic Acid (93-01-6) is also named as 6-Hydroxynaphthalene-2-sulphonic acid;2-Hydroxy-6-naphthalenesulfonic acid;2-hydroxy-6-naphthalenesulfonicacid;2-Hydroxynaphthalene-6-sulfonic acid;2-Naphtol-6-sulfosaure;6-hydroxy-2-naphthalenesulfonicaci;Baum's acid;beta-Naphthol-6-sulfonic acid;beta-naphthol-6-sulfonicacid,and so on.6-Hydroxy-2-Naphalenesulfonic Acid (93-01-6) is usually lamellae.
CAS: 93-01-6
Molecular Formula: C10H8O4S
Molecular Weight: 224.23
Molecular structure: 
EINECS: 205-218-1
Melting point: >300 °C(lit.)
Index of Refraction: 1.703
Molar Refractivity: 56.18 cm3
Molar Volume: 144.7 cm3
Polarizability: 22.27 10-24cm3
Surface Tension: 71.1 dyne/cm
Density: 1.549 g/cm3
Uses
Toxicity Data With Reference
| 1. | orl-mus LDLo:250 mg/kg | ZHINAV Zeitschrift fuer Hygiene und Infektionskrankheiten. 64 (1909),113. | ||
| 2. | scu-mus LDLo:650 mg/kg | ZHINAV Zeitschrift fuer Hygiene und Infektionskrankheiten. 64 (1909),113. |
Consensus Reports
Safety Profile
Poison by ingestion. Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic fumes of SOx.
Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3