Product Description

ProductPonceau S
CAS6226-79-5
FormulaC22H12N4Na4O13S4; C22H16N4O13S4.4Na
Synonym2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodiumsalt, c.i.acidred112, PONCEAU S, SODIUM SALT, PONCEAU S, LABOTEST-BB LT00847573, ATX PONCEAU S RED, FAST PONCEAU 2B, CI NO 27195, 2-Hydroxy-1-((4((4-sulfophenyl)azo)-2-sulfophenyl)azo)naphthalene-3,6-disulfonic acid, tetrasodium salt, C.I. 27195, C.I. Acid Red 112, EINECS 228-319-2, NSC 16216, Ponceau Red S, Ponceau S, Ponceau S Extra, UNII-T1C2UGS05F, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, tetrasodium salt, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-(2-(2-sulfo-4-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-, sodium salt (1:4), C.I. Acid Red 112, tetrasodium salt (8CI), Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate

Typical Product Specifications

Molecular weight760.57
EINECS228-319-2
SMILESc1cc(ccc1/N=N/c2ccc(c(c2)S(=O)(=O)[O-])/N=N/c3c4ccc(cc4cc(c3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Colour Index27195
Water solubility10 g/L
StabilityStable. Incompatible with strong oxidizing agents.
ColorRed-brown
Storage TemperatureStore at room temperature.
SolubilityH2O: soluble1mg/mL
FormPowder/Solid
Density1.01 g/mL at 20 °C
Refractive Index1.338
ClassSpecialty Chemicals
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