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Cas Database |
| Name |
Aniline-2,4-disulfonic acid |
EINECS | 205-299-3 |
| CAS No. | 137-51-9 | Density | 1.844 g/cm3 |
| PSA | 151.52000 | LogP | 2.50500 |
| Solubility | 4.3g/L at 21℃ | Melting Point |
N/A |
| Formula | C6H7NO6S2 | Boiling Point | 497.45℃[at 101 325 Pa] |
| Molecular Weight | 253.257 | Flash Point | N/A |
| Transport Information | N/A | Appearance | white powder |
| Safety | Risk Codes | R20/21/22 | |
| Molecular Structure |
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Hazard Symbols |
 Xn
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| Synonyms |
m-Benzenedisulfonicacid, 4-amino- (6CI,7CI,8CI);1-Amino-2,4-benzenedisulfonic acid;2-Aminobenzene-1,5-disulfonic acid;4-Amino-1,3-benzenedisulfonic acid;4-Amino-m-benzenedisulfonic acid; |
Article Data | 12 |
Aniline-2,4-disulfonic acid Chemical Properties
The Molecular Structure of 1,3-Benzenedisulfonicacid, 4-amino- (CAS NO.137-51-9):
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Empirical Formula: C6H7NO6S2
Molecular Weight: 253.2529
IUPAC Name: 4-aminobenzene-1,3-disulfonic acid
Appearance: White to gray needle crystal
Product Categories: Intermediates of Dyes and Pigments
Nominal Mass: 253 Da
Average Mass: 253.2529 Da
Monoisotopic Mass: 252.971477 Da
Index of Refraction: 1.666
Molar Refractivity: 51.06 cm3
Molar Volume: 137.2 cm3
Surface Tension: 90.2 dyne/cm
Density: 1.844 g/cm3
InChI
InChI=1/C6H7NO6S2/c7-5-2-1-4(14(8,9)10)3-6(5)15(11,12)13/h1-3H,7H2,(H,8,9,10)(H,11,12,13)
Smiles
O=S(=O)(O)c1ccc(N)c(S(=O)(=O)O)c1
Aniline-2,4-disulfonic acid Uses
1,3-Benzenedisulfonicacid, 4-amino- (CAS NO.137-51-9) is used as dye intermediates.
Aniline-2,4-disulfonic acid Specification
1,3-Benzenedisulfonicacid, 4-amino- (CAS NO.137-51-9) is also called as 4-Amino-1,3-benzenedisulfonic acid ; 4-Aminobenzene-1,3-disulphonic acid .
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