S0640
5-Sulfosalicylic acid dihydrate
ACS reagent, 99.0-101.0%
Synonym(s):
2-Hydroxy-5-sulfobenzoic acid
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About This Item
InChI
1S/C7H6O6S.2H2O/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10;;/h1-3,8H,(H,9,10)(H,11,12,13);2*1H2
InChI key
BHDKTFQBRFWJKR-UHFFFAOYSA-N
SMILES string
[H]O[H].[H]O[H].OC(=O)c1cc(ccc1O)S(O)(=O)=O
grade
ACS reagent
assay
99.0-101.0%
impurities
≤0.02% Insoluble matter, ≤0.04% Salicylic acid (HOC6H4COOH)
ign. residue
≤0.1%
mp
105-110 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.02%
cation traces
Fe: ≤0.001%, heavy metals (as Pb): ≤0.002%
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