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

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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

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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