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HomeProduct name listBromocresol Green

Bromocresol Green

Synonym(s):3′,3′′,5′,5′′-Tetrabromo-m-cresolsulfonephthalein sodium salt

  • CAS NO.:62625-32-5
  • Empirical Formula: C21H15Br4NaO5S
  • Molecular Weight: 722.01
  • MDL number: MFCD00148898
  • EINECS: 263-657-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
Bromocresol Green Structural

What is Bromocresol Green?

Chemical properties

dark green to brown crystalline powder

The Uses of Bromocresol Green

Bromocresol Green sodium salt is used as a pH indicator. It is a pH sensitive triphenylmethane dye useful in various colorimetric detection studies and as an activity tracking dye for DNA agarose gel electrophoresis. It is also used in TLC (thin-layer chromatography) for visualizing compounds containing functional groups having pKa less than 5.

What are the applications of Application

Bromocresol Green sodium salt is a dye used as a pH indicator

Properties of Bromocresol Green

Melting point: 230 °C (dec.)(lit.)
Density  0.981 g/mL at 25 °C
storage temp.  Store at +15°C to +25°C.
solubility  H2O: soluble1mg/mL
form  Solid
pka 4.7(at 25℃)
color  Green
PH Range 4(Yellow)-5.6(Blue)
Odor Characteristic odour
Water Solubility  Soluble in water and ethanol.
λmax 617nm, 400nm
Stability: Stable. Incompatible with strong oxidizing agents.
Major Application Colloidal pigments
CAS DataBase Reference 62625-32-5(CAS DataBase Reference)
EPA Substance Registry System Phenol, 4,4'-(2,2-dioxido-3H-1,2-benzoxathiol-3-ylidene)bis[2,6-dibromo-3-methyl-, monosodium salt (62625-32-5)

Safety information for Bromocresol Green

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Bromocresol Green

InChIKey HEFSGAHJDGZCHA-UHFFFAOYSA-M

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