Home Categories Biochemical Engineering Bromophenol blue indicator
A2215612

Bromophenol blue indicator , 0.05%(W/V)inwater , 115-39-9

Synonym(s):
Bromophenol Blue;Bromophenol Blue (BPB);3′,3′′,5′,5′′-Tetrabromophenolsulfonephthalein;3′,3″,5′,5″-Tetrabromophenolsulfonphthalein;3,3′,5,5′-Tetrabromophenolsulfonphthalein, BPB

CAS NO.:115-39-9

Empirical Formula: C19H10Br4O5S

Molecular Weight: 669.96

MDL number: MFCD00005875

EINECS: 204-086-2

Pack Size Price Stock Quantity
100ml RMB47.20 In Stock
500ML RMB183.20 In Stock
others     Enquire
Update time: 2022-07-08

PRODUCT Properties

Melting point: 273 °C
Density  0.954 g/mL at 20 °C
Flash point: 58 °C
storage temp.  Store at RT.
solubility  methanol: soluble10mg/mL
Boiling point: 605.6±55.0 °C(Predicted)
form  Solid
pka 3.85(at 25℃)
color  Reddish-violet
Odor Odorless
PH pH : 3.0~4.6
PH Range 3(Yellow)-4.6(Blue) 6(yellow)-7.6(blue)
Water Solubility  Freely soluble in NaOH. Soluble in sodium hydroxide, alcohol, benzene, and acetic acid. Slightly soluble in water.
λmax 598nm, 592nm, 436nm, 422nm, 273nm
Merck  14,1444
BRN  61698
Stability: Stable. Incompatible with strong oxidizing agents.
Major Application Nanotechnology, semiconductors, sol-gel matrix, fuel cells, display device, paints, packaging system, diapers, contact lens, determining nucleic acids, in saliva, water alkalinity, preserving genetic materials, detecting bacteria, vaginal infection test method
InChIKey UDSAIICHUKSCKT-UHFFFAOYSA-N
LogP 6.880 (est)

Description and Uses

Bromophenol blue is used as a tracking dye in electrophoresis, as a color marker in gel electrophoresis and polyacrylamide gel electrophoresis. As a biological stain, it plays an important role to stain proteins and nucleic acids. It acts an intermediate and an acid-base indicator in the pH range 3.0 to 4.6.

Safety

Symbol(GHS) 
GHS02,GHS07,GHS08
Signal word  Danger
Hazard statements  H226-H319-H335+H336-H340-H360-H372-H373
Precautionary statements  P201-P202-P210-P233-P240-P241+P242+P243-P260-P264-P270-P271-P280-P303+P361+P353-P304+P340+P312-P305+P351+P338+P337+P313-P308+P313-P403+P233-P405-P501
Hazard Codes  T,Xn
Risk Statements  61-20/21-36-36/37/38-20/21/22
Safety Statements  53-45-24/25-22-36-26
RIDADR  UN 2265 3/PG 3
WGK Germany  3
RTECS  SJ7453000
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29349990

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