Bromophenol blue sodium salt , Indicator level , 34725-61-6

CAS NO.：34725-61-6

Empirical Formula: C19H9Br4NaO5S

Molecular Weight: 691.94

MDL number: MFCD00013793

EINECS: 252-170-2

PRODUCT Properties

• Melting point: 300 °C
• Density: 0.985 g/mL at 25 °C
• storage temp.: room temp
• form: powder
• Specific Gravity: 0.985
• color: blue, at pH above 4.6
• PH Range: 3.0 - 4.6, yellow to blue
• PH: 3.0-4.6, yellow to blue
• Water Solubility: Soluble in water.
• λmax: 589 nm
• ε(extinction coefficient): ≥150000 at 597-603nm in H2O; ≥17000 at 250-256nm in H2O; ≥23000 at 306-312nm in H2O
• Merck: 14,1444
• BRN: 6995701
• EPA Substance Registry System: Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-, monosodium salt (34725-61-6)

Description and Uses

Bromophenol Blue sodium salt has been used in the buffer solution to differentiate dead and living cells. It has also been used as a constituent in gel loading buffer.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H315-H319-H335
• Precautionary statements: P261-P305+P351+P338
• Hazard Codes: Xn
• Risk Statements: 20/21/22-36/37/38
• Safety Statements: 24/25-22-36-26
• WGK Germany: 3
• TSCA: Yes
• HS Code: 29147000