CAS
1658-56-6 Purity
biological stain
1658-56-6 Purity
biological stain
![4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt mixt. with 4-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt](https://resource.alfa-chemistry.com/structure/167954-13-4.gif)
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Eosin Y disodium salt, dye content 85%, indicator
CAS
17372-87-1
Catalog Number
ACM17372871
Category
Acid Dyes
Molecular Weight
691.859g/mol
Molecular Formula
C20H6Br4Na2O5;
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Specification
Synonyms
Eosine YB; Phlox Red Toner X-1354; MCULE-3311428648; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-, sodium salt (1:2); CHEBI:52053; I14-18436; MFCD00036189; Eosine J; 7549-EP2277567A1; Certiqual Eosine;
IUPAC Name
disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;
Canonical SMILES
C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].[Na+].[Na+];
InChI
InChI=1S/C20H8Br4O5.2Na/c21-11-5-9-13(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;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2;
InChI Key
SEACYXSIPDVVMV-UHFFFAOYSA-L;
Melting Point
572 ° F (decomposes) (NTP, 1992);
Solubility
greater than or equal to 100 mg/mL at 70° F (NTP, 1992);
Application
Anti Septic
Storage
Store at RT.
Complexity
797
Covalently-Bonded Unit Count
3
EC Number
241-409-6
Exact Mass
691.67g/mol
H-Bond Acceptor
5
Heavy Atom Count
31
Monoisotopic Mass
687.674g/mol
Physical Description
EOSIN is a red crystalline powder. (NTP, 1992);
Rotatable Bond Count
1
Topological Polar Surface Area
89.5A^2
UNII
TDQ283MPCW
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