Henan Tianfu Chemical Co., Ltd.

Pharmaceutical Agrochemicals Food Additives Synthetic Flavours & Fragrances Plant Extract Adhesive and Sealant Catalyst and Auxiliary Dyestuff and Pigment Materials Basic Inorganic Chemicals Organic Chemicals Others Reagent

Henan Tianfu Chemical Co., Ltd.

Country: China (Mainland)Business Type: Lab/Research institutions

Manufacturer

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supplier

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  • Mr.Nolan
  • Ms. Jane Kong

Contact US
Mr.Anson
Tel: 86-371-55170693/55170694
Ms.Fan Cindy
Tel: +86 0371 5517 0693
Mr.Richard Ran
Tel: 86 371 55170693
Ms.Anna
Tel: +86 -371 5517 0693
Mr.Nolan
Tel: 0371-55170695
Mr.Jeff Pei
Tel: 0371-55170693
Ms.Alice
Tel: :+86-371-5517 0693
Mr.Anson
Tel: 0371-55170693-8638
Ms.Monica Xie
Tel: 86 0371 5517 0693(147)
Ms.Cherry Zhang
Tel: 0086-371-55170690
Ms.Daisy He
Tel: 371-55170693
  • Fax: 86-371-55170690
  • URL: http://www.tianfuchem.com
  • Province/state: Henan
  • City: Zhengzhou
  • Street:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China
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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 CAS NO.596-01-0

  • Min.Order: 1 Kilogram
  • Payment Terms: T/T,
  • Product Details

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

  • ProName: tianufu-cherm_596-01-0 // 1-Naphtholph...
  • CasNo: 596-01-0
  • Appearance: Powder
  • Application: For pharmacy chemicals
  • DeliveryTime: depend on yr quantity
  • PackAge: as per buyer's request
  • Port: shanghai
  • ProductionCapacity: 100 Kilogram/Month
  • Purity: 99.0%Min
  • Storage: Room Temperature
  • Transportation: By sea,air .
  • LimitNum: 1 Kilogram

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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