dvr 1-NAPHTHOLPHTHALEIN

1-NAPHTHOLPHTHALEIN  excellent quality manufacturer, exporter and supplier. 1-Naphtholphthalein (C28H18O4) is a pH indicator with a visual transition from colorless/reddish to greenish blue at pH 7.3 %u2013 8.7. 
 

Information:

pH Indicator manufacturer and supplier. Ready available stock of 1NAPHTHOLPHTHALEIN in various size and packing enable us to full fill demand of our regular customer with immediate effect. 1NAPHTHOLPHTHALEIN available in Mumbai, Kandla – Gandhidham, Surat, Visakhapatnam, Chennai, Kolkata – INDIA, Fujairah – Dubai, Middle East UAE.

Technical Specifications:
C.A.S. No. 596-01-0,
Physical State : Black Powder
Insoluble in water
M.F. C28H18O4
M.W. 418.45gm/mole

Specifications:

Solubility 0.1 % (95% EtOH) Almost Clear solution
Absorption maximum (in 0.1N NaOH) ?max 650-654nm
Absorptivity 1%/1cm (in 0.1N NaOH) at ?max >650
Loss On Drying (110°C) <3%
Melting Point Range 238-240 °C(lit.)
Remarks:

Range7.1(brownish)-8.3(blue/green) Water Solubility  Insoluble in water. Soluble in ethanol.

pH-Indicator-Solid
1NAPHTHOLPHTHALEIN
CASNO-596-01-0
HS CODE : 32049000

Note:

Molar mass: 418.45 g/mol
Appearance: Colorless-reddish to blue-green solid
Chemical formula: C28H18O4
Solubility in water: Insoluble
 
Solubility in water: InsolubleMolar mass: 418.45 g/mol
Appearance: Colorless-reddish to blue-green solid
Chemical formula: C28H18O4
Solubility in water: Insoluble

Note: This article uses material from the http://rxmarine.com/