The Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% by Dinâmica, available at LojaLab, is a 0.1% alpha-naphtholphthalein indicator solution in 70% ethanol used in acid-base titrations and colorimetric checks within an approximate pH range of 7.3 to 8.7.
Characteristics
- Nominal alpha-naphtholphthalein concentration of 0.1%.
- Solvent medium composed of 70% ethanol.
- Approximate transition range between pH 7.3 and 8.7.
- Supplied in 500 mL.
Applications
- Acid-base titrations with an endpoint in the near-neutral to mildly alkaline range.
- Visual checking of pH changes between approximately 7.3 and 8.7.
- Preparation of colorimetric controls for phthalein-group indicators.
- Methods specifying 0.1% alpha-naphtholphthalein in a hydroalcoholic medium.
Technical Specifications
- Product: Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70%.
- Brand: Dinâmica.
- Type: Alpha-naphtholphthalein indicator solution.
- Medium: 70% ethanol.
- Nominal concentration or composition: 0.1%.
- CAS of the main component: 596-01-0.
- Main component formula: C28H18O4.
- Main component molar mass: 418.45 g/mol.
- Available volume: 500 mL.
Technical Data
| Product type | Alpha-naphtholphthalein indicator solution |
|---|
| Medium | 70% ethanol |
|---|
| Concentration or composition | 0.1% |
|---|
| Package | 500 mL |
|---|
Frequently Asked Questions
What is Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% used for?
The main applications of Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% include acid-base titrations, visual pH checking, colorimetric controls, and methods specifying alpha-naphtholphthalein in a hydroalcoholic medium.
What are the main characteristics of Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70%?
The characteristics listed for Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% include a 0.1% indicator solution in 70% ethanol, formula C28H18O4, molar mass of 418.45 g/mol, approximate pH range of 7.3 to 8.7, and a 500 mL package.
What is the transition range of Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70%?
Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% has an approximate transition range between pH 7.3 and 8.7, allowing endpoints near neutrality and in the mildly alkaline range to be monitored.
What volumes of Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% are available?
Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% is available in 500 mL packages. For other quantities, recurring purchases, or larger requirements, contact the sales team to check availability and request a quotation.
How can companies and institutions purchase Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase Alpha-Naphtholphthalein Solution 0.1% in Ethanol 70% directly from LojaLab. For recurring purchases, internal approval processes, research funding, public procurement, or formal quotation requirements, contact the sales team.
Professional Use and Safety Guidance
This product is intended for professional use in scientific research, laboratory analysis, education, and compatible industrial applications.
Each product has its own handling, storage, and disposal requirements. Before use, consult the corresponding SDS and follow the manufacturer's instructions and the safety procedures adopted by the institution.
LojaLab provides guidance on product selection and provenance; defining the use protocol and verifying suitability for the final application are the responsibility of the purchasing professional or institution.
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