IUPAC Name: Disodium2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate
CAS: 71-67-0
Formula: C₂₀H₈Br₄Na₂O₁₀S₂
Molecular Weight: 838
The Molecular Structure of  Disodium2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate (CAS NO.71-67-0):

Appearance: white crystalline solid

Reported in EPA TSCA Inventory.

Poison by intravenous route. When heated to decomposition it emits toxic vapors of SO_x and Br⁻.
Safety Information about Disodium2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate (CAS NO.71-67-0):
Hazard Codes: 
Xn:
Risk Statements about Disodium2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate (CAS NO.71-67-0):
R42/43: May cause sensitization by inhalation and skin contact.
Safety Statements about Disodium2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate (CAS NO.71-67-0):
S22: Do not breathe dust.
S36/37: Wear suitable protective clothing and gloves.
WGK Germany: 3
RTECS: SM8395000

  Disodium2-hydroxy-5-[4,5,6,7-tetrabromo-1-(4-hydroxy-3-sulfonatophenyl)-3-oxo-2-benzofuran-1-yl]benzenesulfonate with CAS number of  71-67-0 is also known as 4,5,6,7-Tetrabromo-3',3''-disulfophenolphthalein disodium salt ; 4,5,6,7-Tetrabromo-3',3'-disulfophenolphthalein disodium salt ; 5,5'-(4,5,6,7-Tetrabromo-3-oxo-1(3H)-isobenzofuranylidene)bis(2-hydroxybenzenesulfonic acid) disodium salt ; Benzenesulfonic acid, 3,3'-(4,5,6,7-tetrabromo-3-oxo-1(3H)-isobenzofuranylidene)bis(6-hydroxy-, disodium salt ; Brom-tetragnost ; Bromosulfalein ; Bromosulfophthalein ; Bromosulphthalein ; Bromotaleina ; Bromsulfalein ; Bromsulfan ; Bromsulfophthalein ; Bromsulfthalein ; Bromsulphalein ; CBSP ; Bromsulphalein R sodium ; Bromthalein ; Disodium bromosulfophthalein ; Disodium phenoltetrabromophthalein sulfonate ; EINECS 200-761-0 ; Hepartestabrome ; Hepatestabrome ; Hepatosulfalein ; Sodium bromosulfalein ; Sodium bromosulfophthalein ; Sodium bromsulphalein ; Sodium bromsulphthalein ; Sodium phenol tetrabromophthalein ; Sodium sulfobromophthalein ; Sodium sulphobromophthalein ; Sulfobromophthalein sodium ; Sulphobromophthalein sodium ;
Tetrabromophenolsulfophthalein ; UNII-62E5JU30OV .