Ponceau S
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Product Description
Product
Ponceau S
CAS
6226-79-5
Formula
C22H12N4Na4O13S4; C22H16N4O13S4.4Na
Synonym
Ponceau S; Ponceau S Extra; PONCEAU S, SODIUM SALT; Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate; 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); 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodiumsalt; 2-Hydroxy-1-((4((4-sulfophenyl)azo)-2-sulfophenyl)azo)naphthalene-3,6-disulfonic acid, tetrasodium salt; ATX PONCEAU S RED; C.I. 27195; C.I. Acid Red 112; C.I. Acid Red 112, tetrasodium salt (8CI); c.i.acidred112; CI NO 27195; EINECS 228-319-2; FAST PONCEAU 2B; LABOTEST-BB LT00847573; NSC 16216; Ponceau Red S
Typical Product Specifications
Molecular weight
760.57
EINECS
228-319-2
SMILES
c1cc(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+]
InChI
KQHKSGRIBYJYFX-WNDMICSESA-J
InChIKey
1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;
Colour Index
27195
Water solubility
10 g/L
Stability
Stable. Incompatible with strong oxidizing agents.
Color
Red-brown
Storage Temperature
Store at room temperature.
Solubility
H2O: soluble1mg/mL
Form
Powder/Solid
Density
1.01 g/mL at 20 °C
Refractive Index
1.338
Class
Ponceau S
Product Description
Product
Ponceau S
CAS
6226-79-5
Formula
C22H12N4Na4O13S4; C22H16N4O13S4.4Na
Synonym
Ponceau S; Ponceau S Extra; PONCEAU S, SODIUM SALT; Tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonate; 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); 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodiumsalt; 2-Hydroxy-1-((4((4-sulfophenyl)azo)-2-sulfophenyl)azo)naphthalene-3,6-disulfonic acid, tetrasodium salt; ATX PONCEAU S RED; C.I. 27195; C.I. Acid Red 112; C.I. Acid Red 112, tetrasodium salt (8CI); c.i.acidred112; CI NO 27195; EINECS 228-319-2; FAST PONCEAU 2B; LABOTEST-BB LT00847573; NSC 16216; Ponceau Red S
Typical Product Specifications
Molecular weight
760.57
EINECS
228-319-2
SMILES
c1cc(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+]
InChI
KQHKSGRIBYJYFX-WNDMICSESA-J
InChIKey
1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;
Colour Index
27195
Water solubility
10 g/L
Stability
Stable. Incompatible with strong oxidizing agents.
Color
Red-brown
Storage Temperature
Store at room temperature.
Solubility
H2O: soluble1mg/mL
Form
Powder/Solid
Density
1.01 g/mL at 20 °C
Refractive Index
1.338
Class
