D&C Red No. 7

Product Description

Product	D&C Red No. 7
CAS	5281-04-9
Formula	C₁₈H₁₂N₂Na₂O₆S; C₁₈H₁₄N₂O₆S.Ca
Synonym	3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylicacicalci, C.I.Pigmentred57:1, LitholrubineBK, PigmentlitholrubineA6B, PigmentlitholrubineBK, PIGMENT RED 57, LITHOL RUBIN BCA, LITHOL RUBINE NA, Pigment Red 57:1, 2-Naphthalenecarboxylic acid, 3-hydroxy-4-((4-methyl-2-sulfophenyl)azo)-, 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, C.I. Pigment Red 57, calcium salt (1:1), CCRIS 4903, D & C Red No. 7, D&C Red No. 7, EC 226-109-5, EINECS 226-109-5, UNII-ECW0LZ41X8, 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), C.I. Pigment Red 57, calcium salt, Calcium 3-hydroxy-4-((4-methyl-2-sulphonatophenyl)azo)-2-naphthoate, Superlist Names C.I. Pigment Red 57, calcium salt (1:1), C.I. Pigment Red 57:1, D&C Red No. 7, D&C Red No. 7, CI 158501, 3-Hydroxy-4-[(4-methyl-2-sulfophenyl) azo]-2-naphthalenecarboxylic acid calcium salt, Lithol rubin B Ca, Pigment red 571

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]
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	Specialty Chemicals
Industry	Cosmetic, Plastics

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