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CAS No.: | 148-25-4 |
---|---|
Name: | 1,8-Dihydroxynaphthylene-3,6-disulfonic acid |
Molecular Structure: | |
Formula: | C10H8O8S2 |
Molecular Weight: | 320.301 |
Synonyms: | 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid;C.I. 16655;Chromotropic acid; |
EINECS: | 205-712-7 |
Density: | 1.929 g/cm3 |
Boiling Point: | 429.2°C (rough estimate) |
Hazard Symbols: | Xn |
Risk Codes: | R22 |
PSA: | 165.96000 |
LogP: | 2.90600 |
Conditions | Yield |
---|---|
With alkali hydroxide at 170 - 220℃; |
Conditions | Yield |
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With potassium hydroxide at 260 - 280℃; | |
With sodium hydroxide at 260 - 280℃; | |
With sulfuric acid at 145℃; |
Conditions | Yield |
---|---|
With diluted alkali at 260 - 280℃; | |
With diluted acid at 150 - 160℃; |
chromatotropic acid
Conditions | Yield |
---|---|
at 170 - 220℃; beim Verschmelzen; |
chromatotropic acid
Conditions | Yield |
---|---|
With alkali beim Schmelzen; |
chromatotropic acid
Conditions | Yield |
---|---|
With alkali hydroxide at 170 - 220℃; |
chromatotropic acid
Conditions | Yield |
---|---|
With sodium hydroxide; water at 200℃; |
Conditions | Yield |
---|---|
at 260 - 280℃; |
Conditions | Yield |
---|---|
at 170 - 220℃; |
Conditions | Yield |
---|---|
at 260 - 280℃; |
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IUPAC Name: 4,5-Dihydroxynaphthalene-2,7-disulfonic acid
The molecular structure of 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy- (CAS NO.148-25-4) is
.
Empirical Formula: C10H8O8S2
Molecular Weight: 320.2957
Einecs: 205-712-7
Density: 1.929 g/cm3
Freely Rotating Bonds: 4
Polar Surface Area: 121.96 Å2
Index of Refraction: 1.756
Molar Refractivity: 68.06 cm3
Molar Volume: 165.9 cm3
Polarizability: 26.98 ×10-24 cm3
Surface Tension: 104.4 dyne/cm
Canonical SMILES: C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)O)O)S(=O)(=O)O
InChI: InChI=1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)
InChIKey: HLVXFWDLRHCZEI-UHFFFAOYSA-N
2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy- (CAS NO.148-25-4) is used as organic intermediate.
The Cas Register Number of 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy- is 148-25-4.The chemical synonyms of 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy- (CAS NO.148-25-4) are 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid ; and 4,5-Dihydroxynaphthalene-2,7-disulphonic acid .