D&C Red No. 7
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Product Description
Product
D&C Red No. 7
CAS
5281-04-9
Formula
C18H12N2Na2O6S; C18H14N2O6S.Ca
Synonym
Pigment Red 57:1; D&C Red No. 7; C.I. Pigment Red 57:1; C.I.Pigmentred57:1; Calcium 3-hydroxy-4-((4-methyl-2-sulphonatophenyl)azo)-2-naphthoate; CCRIS 4903; CI 158501; D & C Red No. 7; Pigment red 571; PigmentlitholrubineA6B; PigmentlitholrubineBK; Superlist Names C.I. Pigment Red 57, calcium salt (1:1); UNII-ECW0LZ41X8; EC 226-109-5; EINECS 226-109-5; Lithol rubin B Ca; LITHOL RUBIN BCA; Lithol rubine Na; LitholrubineBK; Pigment red 57; ; 2-Naphthalenecarboxylic acid, 3-hydroxy-4-((4-methyl-2-sulfophenyl)azo)-, calcium salt (1:1); 2-Naphthalenecarboxylic acid, 3-hydroxy-4-(2-(4-methyl-2-sulfophenyl)diazenyl)-, calcium salt (1:1); 3-Hydroxy-4-((2-sulfo-p-tolyl)azo)-2-naphthalenecarboxylic acid, calcium salt (1:1); 3-Hydroxy-4-((4-methyl-2-sulfophenyl)azo)-2-naphthalenecarboxylic acid, calcium salt; 3-Hydroxy-4-[(4-methyl-2-sulfophenyl) azo]-2-naphthalenecarboxylic acid calcium salt; 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylicacicalci; C.I. Pigment Red 57, calcium salt; C.I. Pigment Red 57, calcium salt (1:1)
Typical Product Specifications
Molecular weight
430.34
EINECS
226-109-5
SMILES
c12c(c(c(C(=O)[O-])cc1cccc2)O)\N=N\c1c(cc(C)cc1)S(=O)(=O)[O-].[Ca+2]
InChI
PZTQVMXMKVTIRC-RZLHGTIFSA-L
InChIKey
1S/C18H14N2O6S.Ca/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;/h2-9,21H,1H3,(H,22,23)(H,24,25,26);/q;+2/p-2/b20-19+;
Colour Index
15850
Notes
D&C Red No. 7 is a Calcium salt of D&C Red No. 6 D&C Red No. 7 uses and applications include: Pigment for plastics, printing inks; colorant for cheese rind, cosmetics, pharmaceuticals, food-contact polymers; topical antiseptic Use Level 5 mgday max. combined total with DC Red No. 6 (drugs)
Suggested storage of D&C Red No. 7: Store in cool, dry, ventilated area; keep tightly closed
Class
Industry
D&C Red No. 7
Product Description
Product
D&C Red No. 7
CAS
5281-04-9
Formula
C18H12N2Na2O6S; C18H14N2O6S.Ca
Synonym
Pigment Red 57:1; D&C Red No. 7; C.I. Pigment Red 57:1; C.I.Pigmentred57:1; Calcium 3-hydroxy-4-((4-methyl-2-sulphonatophenyl)azo)-2-naphthoate; CCRIS 4903; CI 158501; D & C Red No. 7; Pigment red 571; PigmentlitholrubineA6B; PigmentlitholrubineBK; Superlist Names C.I. Pigment Red 57, calcium salt (1:1); UNII-ECW0LZ41X8; EC 226-109-5; EINECS 226-109-5; Lithol rubin B Ca; LITHOL RUBIN BCA; Lithol rubine Na; LitholrubineBK; Pigment red 57; ; 2-Naphthalenecarboxylic acid, 3-hydroxy-4-((4-methyl-2-sulfophenyl)azo)-, calcium salt (1:1); 2-Naphthalenecarboxylic acid, 3-hydroxy-4-(2-(4-methyl-2-sulfophenyl)diazenyl)-, calcium salt (1:1); 3-Hydroxy-4-((2-sulfo-p-tolyl)azo)-2-naphthalenecarboxylic acid, calcium salt (1:1); 3-Hydroxy-4-((4-methyl-2-sulfophenyl)azo)-2-naphthalenecarboxylic acid, calcium salt; 3-Hydroxy-4-[(4-methyl-2-sulfophenyl) azo]-2-naphthalenecarboxylic acid calcium salt; 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylicacicalci; C.I. Pigment Red 57, calcium salt; C.I. Pigment Red 57, calcium salt (1:1)
Typical Product Specifications
Molecular weight
430.34
EINECS
226-109-5
SMILES
c12c(c(c(C(=O)[O-])cc1cccc2)O)\N=N\c1c(cc(C)cc1)S(=O)(=O)[O-].[Ca+2]
InChI
PZTQVMXMKVTIRC-RZLHGTIFSA-L
InChIKey
1S/C18H14N2O6S.Ca/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;/h2-9,21H,1H3,(H,22,23)(H,24,25,26);/q;+2/p-2/b20-19+;
Colour Index
15850
Notes
D&C Red No. 7 is a Calcium salt of D&C Red No. 6 D&C Red No. 7 uses and applications include: Pigment for plastics, printing inks; colorant for cheese rind, cosmetics, pharmaceuticals, food-contact polymers; topical antiseptic Use Level 5 mgday max. combined total with DC Red No. 6 (drugs)
Suggested storage of D&C Red No. 7: Store in cool, dry, ventilated area; keep tightly closed
Class
Industry
