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Name	Direct Red 75 tetrasodium salt	EINECS	220-593-1
CAS No.	2829-43-8	Density	1.9g/cm3
PSA	445.39000	LogP	10.29140
Solubility	N/A	Melting Point	N/A
Formula	C₃₃H₂₂N₈Na₄O₁₅S₄	Boiling Point	N/A
Molecular Weight	990.79	Flash Point	N/A
Transport Information	N/A	Appearance	N/A
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	2-Naphthalenesulfonicacid,5,5'-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]bis[6-amino-4-hydroxy-,tetrasodium salt (9CI);C.I. Direct Red 75 (7CI);C.I. Direct Red 75,tetrasodium salt (8CI);Aizen Primula Pink 2BLH;Amanil Fast Pink 2B;Atlantic Fast Pink 2BL;Benzanil Fast Pink BK;Calcodur Pick 2BL;Chloramine Fast Pink BK;Chlorantine Fast Red 2B;Chlorazol Fast Pink 2BL;Chrome Leather Pink B;Diazol Light Pink 2B;Diphenyl Blue Red B;Diphenyl Fast Pink BK;Diphenyl Pink EBE;Direct Fast Pink 4BL;Direct Fast Pink B;Direct Fast Pink S;Direct Light Pink M2BL;Direct Lightfast Rose S;DirectRed 75;Fastusol Pink BBA-CF;Fastusol Pink BBL;Helion Pink 2B;Paranol Fast Pink 2BL;PyrazolinePink 4BL;Sirius Pink 2B;Sirius Pink BB;Sirius Supra Rubine B;Solar Rubine CB;Solius Pink 2B;Tertrodirect Fast Rose 2B;Triantine Fast Pink B;Triantine Light Pink B;

Direct Red 75 tetrasodium salt Chemical Properties

Molecular Structure of Direct Red 75 tetrasodium salt (CAS NO.2829-43-8):

IUPAC Name: tetrasodium 6-imino-5-[2-[4-[[4-[2-(2-imino-8-oxo-6-sulfonatonaphthalen-1-yl)hydrazinyl]-3-sulfonatophenyl]carbamoylamino]-2-sulfonatophenyl]hydrazinyl]-4-oxonaphthalene-2-sulfonate
Molecular Formula: C₃₃H₂₂N₈Na₄O₁₅S₄
Molecular Weight: 990.79
CAS Registry Number: 2829-43-8
EINECS: 220-593-1
H bond acceptors: 23
H bond donors: 12
Freely Rotating Bonds: 14
Polar Surface Area: 445.39 Å²InChI
InChI=1/C33H25N8O15S4.4Na/c34-21-5-1-15-9-19(57(45,46)47)13-25(42)29(15)31(21)40-38-23-7-3-17(11-27(23)59(51,52)53)36-33(44)37-18-4-8-24(28(12-18)60(54,55)56)39-41-32-22(35)6-2-16-10-20(58(48,49)50)14-26(43)30(16)32;;;;/h1-14,42-43H,34-35H2,(H2,36,37,44)(H,45,46,47)(H,51,52,53)(H,54,55,56);;;;/q-2;4*+1/p-3/b40-38+,41-39+;;;;
Smiles
S(c1c(\N=N\c2c3c(cc(S(=O)(=O)[O-])cc3ccc2N)O)ccc(NC(Nc2cc(S(=O)(=O)[O-])c(\N=N\c3c4c(cc(S(=O)(=O)[OH-2])cc4ccc3N)O)cc2)=O)c1)(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Direct Red 75 tetrasodium salt Specification

Direct Red 75 tetrasodium salt , with CAS number of 2829-43-8, can be called 2-naphthalenesulfonic acid, 5,5'-[carbonylbis[imino(2-sulfo-4,1-phenylene)-2,1-diazenediyl]]bis[6-amino-4-hydroxy-, sodium salt (1:4) ; Tetrasodium 6-amino-5-({4-[({4-[(2-amino-8-hydroxy-6-sulfonato-1-naphthyl)diazenyl]-3-sulfonatophenyl}carbamoyl)amino]-2-sulfonatophenyl}diazenyl)-4-hydroxynaphthalene-2-sulfonate ; Chlorazol fast pink BK ; Sirius Rose BB .

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