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| Name |
Sodium 6-hydroxynaphthalene-2-sulfonate |
EINECS | 205-218-1 |
| CAS No. | 135-76-2 | Density | 1.549g/cm3 |
| PSA | 85.81000 | LogP | 2.53030 |
| Solubility | 1000g/L at 25℃ | Melting Point |
>300 °C(lit.) |
| Formula | C10H7NaO4S | Boiling Point | 627.11℃[at 101 325 Pa] |
| Molecular Weight | 246.219 | Flash Point | N/A |
| Transport Information | N/A | Appearance | N/A |
| Safety | 26-36-36/37/39-22 | Risk Codes | 36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn,  Xi
|
| Synonyms |
2-Naphthalenesulfonicacid, 6-hydroxy-, monosodium salt (8CI,9CI);2-Naphthol-6-sodium sulfonate;2-Naphthol-6-sulfonicacid sodium salt;Schaeffer salt;Schaeffer's salt;Sodium2-naphthol-6-sulfonate;Sodium 6-hydroxy-2-naphthalenesulfonate;Sodium b-naphthol-6-sulfonate; |
Sodium 6-hydroxynaphthalene-2-sulfonate Synthetic route
- 135-76-2
sodium 2-naphthol-6-sulfonate
- 77-78-1
dimethyl sulfate
- 149353-39-9
sodium 6-methoxy-2-naphthalenesulfonate
| Conditions | Yield |
|---|---|
| Stage #1: sodium 2-naphthol-6-sulfonate; dimethyl sulfate With sodium hydroxide In water at 40 - 60℃; for 1.66667h; Stage #2: With sodium chloride In water at 20℃; for 2h; | 86% |
| With sodium hydroxide; sodium chloride In water at 50 - 55℃; | 75% |
| With sodium hydroxide In water at 50 - 55℃; for 1h; | 75% |
| With sodium hydroxide In water at 50 - 55℃; for 1h; |
| Conditions | Yield |
|---|---|
| With sodium metabisulfite In water at 140℃; for 48h; Bucherer Carbazole Synthesis; Sealed tube; Inert atmosphere; | 84% |
| Conditions | Yield |
|---|---|
| With sodium metabisulfite In water at 140℃; for 48h; Bucherer Carbazole Synthesis; Sealed tube; Inert atmosphere; | 75% |
| With sodium hydrogensulfite In tetrahydrofuran; water for 72h; Heating / reflux; |
- 135-76-2
sodium 2-naphthol-6-sulfonate
- 98-09-9
benzenesulfonyl chloride
- 61152-55-4
sodium 2-phenylsulfonyloxynaphthalene-6-sulfonate
| Conditions | Yield |
|---|---|
| With sodium carbonate In water at 50℃; for 1.5h; | 73.2% |
| Conditions | Yield |
|---|---|
| With sulfuric acid at 110℃; for 7h; | 71.3% |
- 135-76-2
sodium 2-naphthol-6-sulfonate
| Conditions | Yield |
|---|---|
| In methanol | 41% |
| Conditions | Yield |
|---|---|
| With sodium nitrate; [D]-sodium hydroxide; hydrogen chloride; sodium carbonate In water-d2 at 5℃; for 1h; | 35% |
- 135-76-2
sodium 2-naphthol-6-sulfonate
| Conditions | Yield |
|---|---|
| With sodium hydroxide In N,N-dimethyl-formamide at 65℃; for 80h; | 30% |
| Conditions | Yield |
|---|---|
| With sodium methylate In methanol at 60℃; Reflux; | 30% |
- 135-76-2
sodium 2-naphthol-6-sulfonate
- 130313-71-2
3,5-Dichloro-pyridine-2-diazonium
- 130313-68-7
1-<(3,5-dichloro-2-pyridyl)azo>-2-hydroxynaphthalene-6-sulfonic acid sodium salt
| Conditions | Yield |
|---|---|
| With carbon dioxide In methanol for 12h; | 25% |
Sodium 6-hydroxynaphthalene-2-sulfonate Chemical Properties
Product Name: 2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) (CAS NO.135-76-2)
Molecular Formula: C10H7NaO4S
Molecular Weight: 246.21g/mol
Mol File: 135-76-2.mol
EINECS: 205-218-1
Melting Point: >300 °C(lit.)
H-Bond Donor: 1
H-Bond Acceptor: 4
Structure Descriptors of 2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) (CAS NO.135-76-2):
IUPAC Name: sodium 6-hydroxynaphthalene-2-sulfonate
Canonical SMILES: C1=CC2=C(C=CC(=C2)S(=O)(=O)[O-])C=C1O.[Na+]
InChI: InChI=1S/C10H8O4S.Na/c11-9-3-1-8-6-10(15(12,13)14)4-2-7(8)5-9;/h1-6,11H,(H,12,13,14);/q;+1/p-1
InChIKey: ZPWQALCOMQRMRK-UHFFFAOYSA-M
Product Categories: Intermediates; Organic Building Blocks; Sulfonic/Sulfinic Acids; Sulfur Compounds
Sodium 6-hydroxynaphthalene-2-sulfonate Safety Profile
Safety Information of 2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) (CAS NO.135-76-2):
Hazard Codes: Xi
,Xn
Risk Statements: 36/37/38-20/21/22
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 26-36-36/37/39-22
22: Do not breathe dust
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
WGK Germany: 3
Sodium 6-hydroxynaphthalene-2-sulfonate Specification
2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) , its CAS NO. is 135-76-2, the synonyms are 6-Hydroxy-2-naphthalenesulfonic acid, sodium salt ; Monosodium 6-hydroxynaphthalene-2-sulphonate ; 2-Naphthalenesulfonic acid, 6-hydroxy-, monosodium salt .
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