Categories: Stains Indicator Reagents-69
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Product Short Description: alpha-Naphtholbenzein Indicators α-Naphtholbenzein
Product Description:

alpha-Naphtholbenzein is high quality pH colour indicator and Bioreagents. We are one of popular supplier for alpha-Naphtholbenzein in chennai, kolkata, Mumbai, Gandhidham, Visakhapatnam, Fujairah, Dubai, Sharjah UAE.

Product Application:

α-Naphtholbenzein is used as indicator for pH 8.2-10.0

pH 8.5      -       Reddish Orange ( apricot )

pH 9.8      -       Greenish Blue ( turquoiseblue )

Product Dose:

alpha-Naphtholbenzein CAS Number: 145-50-6 
α-Naphtholbenzein Linear Formula is C27H18O2

Product Note:

alpha-Naphtholbenzein is soluble in ethanol, acetic acid and acetone. Insoluble in water.

Product Technical Specification:

Specifications:

 

MOLECULAR FORMULA    C27H20N2O3
MOLECULAR WEIGHT  
392.50
392.50
392.50
392.50
392.50
392.50
ABSORPTION MAXIMUM WEVELENGTH MAX 622 - 626 nm
SPECIFIC ABSORPTIVITY A 1%     (on dried basis)      700 to 950
LOSS ON DRYING (AT 1050 C )   Max 5.0%
pH Range 

pH 8.5                                   -          pH 9.8

Reddish Orange (APRICOT) - Greenish Blue ( TURQUIOSE BLUE )
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