CAS 3564-18-9: Eriochrome Cyanine R
Description:Eriochrome Cyanine R, with the CAS number 3564-18-9, is a synthetic organic compound primarily used as a dye and indicator in various chemical analyses. It is characterized by its vibrant blue color, which can change to red under specific conditions, making it useful in complexometric titrations, particularly for determining metal ions such as calcium and magnesium. The compound features a complex molecular structure that includes multiple aromatic rings and functional groups, contributing to its colorimetric properties. Eriochrome Cyanine R is soluble in water and exhibits a pH-dependent behavior, which is crucial for its application in analytical chemistry. Additionally, it is important to handle this compound with care, as it may pose health risks if ingested or inhaled, and appropriate safety measures should be taken during its use in laboratory settings. Overall, Eriochrome Cyanine R is a valuable tool in analytical chemistry for its ability to form stable complexes with metal ions, facilitating quantitative analysis.
Formula:C23H18O9S·3Na
InChI:InChI=1S/C23H18O9S.3Na/c1-11-7-13(9-15(19(11)24)21(26)27)23(14-8-12(2)20(25)16(10-14)22(28)29)17-5-3-4-6-18(17)33(30,31)32-23;;;/h3-10,24-25H,1-2H3,(H,26,27)(H,28,29);;;
InChI key:InChIKey=YTPSSIKJORNZKU-UHFFFAOYSA-N
SMILES:[Na].O=C(O)C=1C=C(C=C(C1O)C)C2(OS(=O)(=O)C=3C=CC=CC32)C4=CC(C(=O)O)=C(O)C(=C4)C
- Synonyms:
- 3H-2,1-Benzoxathiole, benzoic acid deriv.
- Alizarol Cyanine RC
- Atlantichrome Cyanine RA
- Benzoic acid, 3,3′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[6-hydroxy-5-methyl-, sodium salt (1:3)
- Benzoic acid, 3,3′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[6-hydroxy-5-methyl-, trisodium salt
- Benzoic acid, 3,3′-(3H-2,1-benzoxathiol-3-ylidene)bis[6-hydroxy-5-methyl-, S,S-dioxide, trisodium salt
- Chrome Blue 3R
- Chrome Cyanine R
- Chromoxane Cyanin R
- Chromoxane Cyanine RA
- See more synonyms
- Cromal Blue Black B
- Diacromo Cyanine R
- Diamond Cyanine R
- Eiochrome Cyanine R
- Eriochromcyanin No. 553
- Eriochrome Cyanin R
- Eriochrome Cyanine RC
- Eriochrome Cyanine Rc Practical Grade
- Eriochrome cyanine R
- Fenakrom Blue XR
- Mordant Blue 3
- Omega Chrome Cyanine GR
- Pontachrome Blue ECR
- Solochrome cyanine R
- Sunchromine Cyanine R
- Tertrochrome Cyanine CR
- trisodium 5-[(E)-(3-carboxylato-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2-sulfonatophenyl)methyl]-2-hydroxy-3-methylbenzoate
- trisodium 5-[(Z)-(3-carboxylato-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2-sulfonatophenyl)methyl]-2-hydroxy-3-methylbenzoate
- C.I. Mordant Blue 3, trisodium salt (8CI)
- C.I. Mordant Blue 3
- C.I. Mordant Blue 3, trisodium salt
- C.I. Mordant Blue 3
- C.I. 43820