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CAS RN: 4430-25-5 | Product Number: T0039

Tetrabromophenol Blue

Purity: >95.0%(HPLC)
  • Tetrabromophenoltetrabromosulfophthalein
  • TBPB
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Product Number T0039
Purity / Analysis Method >95.0%(HPLC)
Molecular Formula / Molecular Weight C__1__9H__6Br__8O__5S = 985.54  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 4430-25-5
Reaxys Registry Number 378438
PubChem Substance ID 87576059
SDBS (AIST Spectral DB) 11087
MDL Number


Appearance White to Light yellow to Light orange powder to crystaline
Purity(HPLC) min. 95.0 area%
Transition interval(pH) (yellow green)3.0 to 4.6(blue)
Drying loss max. 3.0 %
Ignition residue(Sulfate) max. 0.1 %
Absorbance min. 0.300(0.5 mg/dl, pH 4.6, 610.0 to 614.0 nm)
Properties (reference)
Melting Point 204 °C(dec.)
Maximum Absorption Wavelength 388 nm
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P362 : Take off contaminated clothing and wash before reuse.
Related Laws:
Transport Information:
HS Number 2934.99.4400
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