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1-NAPHTHOLPHTHALEIN

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Product Qty Per Unit: 
1.00
Product usage unit: 
Grams

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Product Delivery Locations: 
Visakhapatnam, Vijayawada, Kakinada, Gangavaram, Krishnapatnam, Rawa, Nellore, Rajahmundry

pH Indicator pH 7.3 colorless to reddish; 8.7 greenish to blue

Product Description: 

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 – 8.7. 
 

Product Application: 

As indicator in 0.1% or 0.04% solution in alcohol. pH 7.3 colorless to reddish; 8.7 greenish to blue. Particularly adapted for weak acids in strong alcoholic solution.

Product Procedure: 

pH 7.1 - pH 8.3 pink brownish - blue

Storage of liquid indicator : storage temp. Store below +30°C.solubility Solubility Practically insoluble in water; soluble in ethanol 

Product 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
Product Technical Specification: 
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.)
Product pack size: 
1 Gram, 5 Gram, 50 Gram bottle available on factory sale price.
Product alias: 
<p> Naphtholphthalein pH Indicator solid</p>
Article: 
Remarks: 

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

SKU:
RXSOL-69-5960-100
Title:
1-NAPHTHOLPHTHALEIN

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