tianufu-cherm_596-0...

tianufu-cherm_596-01-0 // 1-Naphtholphthalein;α-Naphtholphthalein;p-α-Naphtholphthalein;3,3-Bis(4-hydroxy-1-naphthyl)-phthalide

tianufu-cherm_596-01-0 // 1-Naphtholphthalein;α-Naphtholphthalein;p-α-Naphtholphthalein;3,3-Bis(4-hydroxy-1-naphthyl)-phthalide

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1 Kilogram

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  • Min.Order :1 Kilogram
  • Purity: 99.0%Min
  • Payment Terms : T/T,

Keywords

596-01-0 1-Naphtholphthalein;α-Naphtholphthalein;p-α-Naphtholphthalein;3,3-Bis(4-hydroxy-1-naphthyl)-phth 596-01-0

Quick Details

  • Appearance:Powder
  • Application:For pharmacy chemicals
  • PackAge:as per buyer's request
  • ProductionCapacity:100|Kilogram|Month
  • Storage:Room Temperature
  • Transportation:By sea,air .

Superiority:

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below:

 

1.Noble Metal Catalysts (Pt.Pd...)

2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...)

3.OLED intermediates (Fluorene,Carbazole,Boric acid...)

4.Customs Synthesis

 

Our advantage:

 

1. Higest quality and good package

2.Fast delivery

3.Better payment term

4.Fast response to customer  within 6 hours

5.Good business credit in Europe ,US ,Japan ,Korea

 

Anyway ,if you need any chemicals from China ,Henan Tianfu can help you

Details:

Product Name: alpha-Naphtholphthalein
Synonyms: 3,3-bis(4-hydroxy-1-naphthyl)phthalide;A-NAPHTHOLPHTHALEIN PRACTICAL GRADE;ALPHA-NAPHTHOLPHTHALEIN INDICATOR;1-NAPHTHOLPHTHALEIN, INDICATOR;ALPHA-NAPHTHOLPHTHALEIN(0.1% IN CA. 50% ETHANOL)[FOR PH DETERMINATION];alpha-Naphtholphthalein, indicator, pure;1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-1-naphthalenyl)-;à-naphtholphthalein
CAS: 596-01-0
MF: C28H18O4
MW: 418.44
EINECS: 209-875-5
Product Categories: Industrial/Fine Chemicals;pharmacetical;Analytical Chemistry;Indicator (pH);pH Indicators;N;Stains and Dyes;Stains&Dyes, A to;Indicators;pH Indicators - Solids;Titration;Phthalein
Mol File: 596-01-0.mol
alpha-Naphtholphthalein Structure
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
pka 8.0, 8.2, 8.5(at 25℃)
color Pink to beige or brown
PH Range 7.1(brownish)-8.3(blue/green)
Water Solubility Soluble in ethanol. Insoluble in water.
λmax 648nm
Merck 14,6389
InChIKey HQHBAGKIEAOSNM-UHFFFAOYSA-N
CAS DataBase Reference 596-01-0(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
HS Code 32041900

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