1-NAPHTHOLPHTHALEIN

1-NAPHTHOLPHTHALEIN

SKU: RXSOL-69-5960-100
Category: Stains Indicator Reagents

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.

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Email: soharchemical@gmail.com
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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. 
 

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

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
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.)

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.

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 

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

Supply in Sohar & across Oman

Sohar Chemicals supplies 1-NAPHTHOLPHTHALEIN to customers in Sohar, Sohar Port & Freezone, Liwa, Shinas, Saham, Barka, Muscat and across Oman, from our stock in Barka.

Bulk and small orders welcome. Contact us for price, availability, MSDS and TDS.

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About

Sohar Chemicals, part of MBBT Group, is Oman's trusted source for marine and industrial chemicals. We supply high-performance solutions for cleaning, marine, water treatment, and maintenance.

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Get on time delivery to any port, any city in Oman. We have full inventory of fast running chemicals. Get our quotation by simply sending an email on the below mail id.