D&C Red No. 21 Aluminum Lake

Details

Stereochemistry	RACEMIC
Molecular Formula	3C20H8Br4O5.2Al
Molecular Weight	1997.635
Optical Activity	( + / - )
Defined Stereocenters	0 / 3
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure of D&C Red No. 21 Aluminum Lake

Structure Search

SMILES

[Al+3].[Al+3].OC1=C(Br)C2=C(C=C1Br)C(C3=CC(Br)=C([O-])C(Br)=C3O2)C4=C(C=CC=C4)C([O-])=O.OC5=C(Br)C6=C(C=C5Br)C(C7=CC(Br)=C([O-])C(Br)=C7O6)C8=C(C=CC=C8)C([O-])=O.OC9=C(Br)C%10=C(C=C9Br)C(C%11=CC(Br)=C([O-])C(Br)=C%11O%10)C%12=C(C=CC=C%12)C([O-])=O

InChI

InChIKey=CZCBLIIGXOOUTD-UHFFFAOYSA-H

InChI=1S/3C20H10Br4O5.2Al/c3*21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h3*1-6,13,25-26H,(H,27,28);;/q;;;2*+3/p-6

HIDE SMILES / InChI

Molecular Formula	C20H8Br4O5
Molecular Weight	647.891
Charge	-2
Count

Stereochemistry	RACEMIC
Additional Stereochemistry	No
Defined Stereocenters	0 / 1
E/Z Centers	0
Optical Activity	( + / - )

Molecular Formula	Al
Molecular Weight	26.9815386
Charge	3
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Approval Year

Substance Class	Chemical Created by `admin` on `Wed Apr 02 21:13:33 GMT 2025` Edited by `admin` on `Wed Apr 02 21:13:33 GMT 2025`
Record UNII	2M7H5Y5MJP
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

Red 21 Lake

Preferred Name

English

Pigment Red 90:1 Aluminum Lake

Preferred Name

English

D&C Red No. 21 Aluminum Lake

Official Name

English

C.I. PIGMENT RED 90 ALUMINUM SALT

Common Name

English

2?,4?,5?,7?-Tetrabromofluorescein aluminum salt

Common Name

English

CI 45380:3

Common Name

English

EOSINE, ALUMINUM SALT

Common Name

English

RED 230 ALUMINUM LAKE

Common Name

English

D&C RED 21 ALUMINUM LAKE

Common Name

English

D&C RED NO. 21--ALUMINUM LAKE

Common Name

English

Aluminum, tris[2?,4?,5?,7?-tetrabromofluoresceinato(2-)]di-

Systematic Name

English

Spiro[isobenzofuran-1(3H),9?-[9H]xanthen]-3-one, 2?,4?,5?,7?-tetrabromo-3?,6?-dihydroxy-, aluminum salt (3:2)

Systematic Name

English

Fluorescein, 2?,4?,5?,7?-tetrabromo-, aluminum salt

Common Name

English

C.I. 45380:3

Common Name

English

C.I. PIGMENT RED 90:1

Common Name

English

Dialuminum tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate]

Systematic Name

English

JAPAN RED 230 ALUMINUM LAKE

Common Name

English

PIGMENT RED 90:1

Common Name

English

DC RED NO. 21-ALUMINUM LAKE

Common Name

English

DYE DC RED NO. 21 ALUMINIUM LAKE

Common Name

English

Code System Code Type Description

CAS

15876-39-8