CAS No 596-01-0 a-Naphtholphthalein Powder >80% Naoh Basis (titration)

• Customization: Available
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Model NO.: YB072
• Quality: Refined
• CAS No.: 596-01-0
• Formula: C28h18o4
• Einecs: 209-875-5
• Colour: Pink to Beige or Brown
• Samples: Available
• Purity: 99%
• Certificates: ISO9001/SGS
• Package: 1kg/5kg/10kg/25kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Specification: Dye content 80%
• Trademark: Yunbang OEM
• Origin: China

Product Description

CAS NO 596-01-0 a-Naphtholphthalein powder >80% NaOH basis (titration)
 

Company Informations

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.

The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
 

Product Description

a-Naphtholphthalein, a phthalein dye is a pH indicator between 7.3 (colorless) and 8.7 (greenish-blue). Applications include inks, markers, detecting viable cells, food storage, and many more.

 

FAQ

1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.

2: What's your MOQ?
A: We can have a discussion.

3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.

4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.

5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.

6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
 

Our Advantages

1. 90days quality guarantee for exchange.

2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.

3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.
 

Product analysis

 

 

 

Product Name:	alpha-Naphtholphthalein
Synonyms:	1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-1-naphthalenyl)-;à-naphtholphthalein;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
CAS:	596-01-0
MF:	C28H18O4
MW:	418.44
EINECS:	209-875-5
Product Categories:	Titration;Phthalein;Industrial/Fine Chemicals;N;Stains and Dyes;Stains&Dyes, A to;pharmacetical;Analytical Chemistry;Indicator (pH);pH Indicators;Indicators;pH Indicators - Solids
Mol File:	596-01-0.mol

Melting point	238-240 °C(lit.)
Boiling point	496.21°C (rough estimate)
density	1.1532 (rough estimate)
vapor density	14.44 (vs air)
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 25ºC)
color	Pink to beige or brown
PH Range	7.1(brownish)-8.3(blue/green)
PH	pH : 7.1~8.7
Odor	Characteristic odour
Water Solubility	Soluble in ethanol. Insoluble in water.
λmax	648nm
Merck	14,6389
BRN	97816
InChIKey	HQHBAGKIEAOSNM-UHFFFAOYSA-N
CAS DataBase Reference	596-01-0(CAS DataBase Reference)

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
HS Code	32041900

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