Factory supply alpha-Naphtholphthalein with best price CAS 596-01-0

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Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0
Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0
Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0
Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0
Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0
Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0
Factory supply alpha-Naphtholphthalein with best price  CAS 596-01-0

Factory supply alpha-Naphtholphthalein with best price CAS 596-01-0

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alpha-Naphtholphthalein Basic information 
Product Name:alpha-Naphtholphthalein
Synonyms:3,3-Bis(4-hydroxy-1-naphthyl)-1,3-dihydroisobenzofuran-1-one;3,3-Bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one;Di-p-a-Naphtholphthalide;3,3-Bis(4-hydroxy-1-naphtyl)isobenzofuran-1(3H)-one;3,3-Bis(4-hydroxy-1-naphtyl)phthalide;4,4'-[3(1H)-Oxoisobenzofuran-1,1-diyl]bis(1-naphthol);alpha-Naphtholphthalein,pure,indicator;Alpha-naphtholphthalein ,90%
CAS:596-01-0
MF:C28H18O4
MW:418.44
EINECS:209-875-5
Product Categories:Titration;Industrial/Fine Chemicals;pharmacetical;Analytical Chemistry;Indicator (pH);pH Indicators;N;Stains and Dyes;Stains&Dyes, A to;Indicators;pH Indicators - Solids;Phthalein
alpha-Naphtholphthalein Chemical Properties 
Melting point 238-240 °C(lit.)
Boiling point 496.21°C (rough estimate)
density 1.1532 (rough estimate)
refractive index 1.6400 (estimate)
storage temp. Store below +30°C.
solubility Solubility Practically insoluble in water; soluble in ethanol
form Powder
pka8.0, 8.2, 8.5(at 25℃)
color Pink to beige or brown
PH Range7.1(brownish)-8.3(blue/green)
PHpH : 7.1~8.7
Water Solubility Soluble in ethanol. Insoluble in water.
λmax648nm
Merck 146389
BRN 97816
InChIKeyHQHBAGKIEAOSNM-UHFFFAOYSA-N
CAS DataBase Reference596-01-0(CAS DataBase Reference)

alpha-Naphtholphthalein Spec.:

Name Bromophenol Red/5',5''-Dibromophenolsulfonphthalein 
 CAS NO. 596-01-0

 Molecular Formula

 C28H18O4
 Molecular Weight 418.45
 EINECS 209-875-5
 Appearance Brown Powder
 Purity 99% Min
 M.P. 238-240 ºC
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Company Information

Company Information

 

QingdaoxigemaCHEMICAL Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
 
The aim of  xigema is a quality policy that"Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
 
 xigema has become the"Top 500 Chinese manufacturing companies","Top 20 of global agrochemical sales". xigema  has 21 subsidiaries and holding companies.

 

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