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3′,3′′,5′,5′′-Tetrabromophenolphthalein_Molecular_structure_CAS_1301-20-8)
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3′,3′′,5′,5′′-Tetrabromophenolphthalein

Catalog No. 234168 Name Sigma Aldrich
CAS Number 1301-20-8 Website http://www.sigmaaldrich.com
M. F. C20H10Br4O4 Telephone 1-800-521-8956
M. W. 633.907 Fax
Purity Email
Storage Chembase ID: 106792

SYNONYMS

IUPAC name
3,3-bis(3,5-dibromo-4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
IUPAC Traditional name
3,3-bis(3,5-dibromo-4-hydroxyphenyl)-2-benzofuran-1-one

DATABASE IDS

CAS Number 1301-20-8
PubChem SID 24854025
MDL Number MFCD00005910

PROPERTIES

Compostion Dye content, 98%
Empirical Formula (Hill Notation) C20H10Br4O4
Absorption Wavelength λmax 218 nm
Absorption Wavelength λmax 309 nm (2nd)
Melting Point 278-279 °C (dec.)(lit.)
Solubility H2O: insoluble (cold)
Solubility alcohol: soluble
Solubility ethanol: soluble
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-37/39
German water hazard class 3

DETAILS

REFERENCES