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CAS No.: | 1655-45-4 |
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Name: | 2,6-Naphthalenedisulfonic acid disodium salt |
Molecular Structure: | |
Formula: | C10H6Na2O6S2 |
Molecular Weight: | 332.266 |
Synonyms: | 2,6-Naphthalenedisulfonicacid, disodium salt (8CI,9CI);Disodium 2,6-naphthalenedisulfonate;Sodium naphthalene-2,6-disulfonate;2,6-naphthalene-disulphonate; |
EINECS: | 216-735-7 |
Density: | 1.704g/cm3 |
Melting Point: | >300 °C(lit.) |
Appearance: | Grey powder |
Hazard Symbols: | Xi |
Safety: | 22-24/25 |
PSA: | 131.16000 |
LogP: | 2.80960 |
Conditions | Yield |
---|---|
With potassium hydroxide at 200℃; for 4h; Reagent/catalyst; | 96.9% |
Stage #1: disodium 2,6-naphthalenedisulfonate With sodium hydroxide In water at 300℃; for 10h; Autoclave; Stage #2: With tetrakis(actonitrile)copper(I) hexafluorophosphate; tetrahexylammonium chloride In hexane at 50℃; for 3h; Temperature; Reagent/catalyst; | 85.2% |
Conditions | Yield |
---|---|
In dichloromethane; water at 20℃; for 2h; | 90.6% |
disodium 2,6-naphthalenedisulfonate
2,6-naphthalenedisulfonyl dichloride
Conditions | Yield |
---|---|
With phosphorus pentachloride at 120℃; for 2h; | 88% |
With chlorosulfonic acid In chloroform at 60℃; for 3h; Inert atmosphere; Cooling with ice; | 80% |
With phosphorus pentachloride | 19.7% |
Conditions | Yield |
---|---|
In water High Pressure; at 170°C under autogenous pressure for 50 h; cooled to ambient temp. in open air, decanted, washed (H2O), air-dried; elem. anal.; | 86% |
disodium 2,6-naphthalenedisulfonate
4,4'-bis diethylamino diphenyl 4''-monoethylamino 1-naphthyl carbocation
Conditions | Yield |
---|---|
In methanol; water at 50 - 55℃; for 1h; | 86% |
Conditions | Yield |
---|---|
In water; toluene at 20℃; for 1h; | 86% |
In methanol; water at 50 - 55℃; for 1h; | 86% |
In methanol; water at 50 - 55℃; for 1h; | 86% |
1H-imidazole
disodium 2,6-naphthalenedisulfonate
cadmium(II) acetate dihydrate
[Cd(imidazole)4(H2O)2][Cd(imidazole)4(2,6-naphthalenedisulfonate)2]
Conditions | Yield |
---|---|
In water disodium 2,6-naphthalenedisulfonate, imidazole added to aq. Cd(OAc)2; stirred for 4 h at 70°C; filtered; crystd. after 5 d; elem. anal.; | 85% |
Conditions | Yield |
---|---|
Stage #1: disodium 2,6-naphthalenedisulfonate In methanol; water at 50 - 55℃; Stage #2: C70H78N6(2+)*Cl(1-)*Cl(1-) at 50 - 55℃; for 1h; | 84% |
Conditions | Yield |
---|---|
In methanol; water at 50 - 55℃; for 1h; | 84% |
Conditions | Yield |
---|---|
In methanol; water at 50℃; for 1h; | 82% |
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IUPAC Name: Disodium naphthalene-2,6-disulfonate
Empirical Formula: C10H6Na2O6S2
Molecular Weight: 332.2606
Freely Rotating Bonds: 2
Polar Surface Area: 125.5 Å2
Einecs: 216-735-7
The Cas Register Number of 2,6-Naphthalenedisulfonicacid, sodium salt (1:2) is 1655-45-4.The chemical synonyms of 2,6-Naphthalenedisulfonicacid, sodium salt (1:2) (CAS NO.1655-45-4) are Disodium naphthalene-2,6-disulphonate .The molecular structure of 2,6-Naphthalenedisulfonicacid, sodium salt (1:2) (CAS NO.1655-45-4) is
.
2,6-Naphthalenedisulfonicacid, sodium salt (1:2) (CAS NO.1655-45-4) is used as pharmaceutical intermediate.
Hazard Codes: Xi
Safety Statements: 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3
Hazard Note: Irritant