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CAS 34722-90-2

CAS 34722-90-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 34722-90-2
CAS 34722-90-2PubChem CID 22489401

Bromthymol Blue sodium

IUPAC name
sodium 2-[(Z)-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
Molecular formula
C27H27Br2NaO5S
Molecular weight
646.4 g/mol
Exact mass
645.98232 Da
Topological polar surface area
103.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
5
Covalent units
2
Defined stereocentres
0

Also known as

Bromothymol Blue, sodium saltSodium bromothymol blueCFN0FBC3YHPhenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-3-methyl-6-(1-methylethyl)-, monosodium saltPhenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide, monosodium saltRefChem:1080188252-169-7Bromothymol Blue sodium salt
2 more reported names
Bromthymolblau Natriumsalzsodium;2-[(E)-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
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Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 34722-90-2

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How CAS 34722-90-2 is used on this site

CAS 34722-90-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 34722-90-2 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.