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Phenolphthalein indicator solution, 250 ml

1 % in ethanol 90 %, denatured
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Examples of effect: Flammable; liquids form compounds with the air which can become explosive; produce flammable gases with water or can self-combust. Safety: Keep away from open flames and sources of heat; close containers tightly; store in a fire-safe manner.
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
Examples of effect: Have an allergenic effect, carcinogenic, mutagenic, toxic to reproduction and cause developmental toxicity (reprotoxic) or damage to organs Safety: You must be well-informed before starting work with these substances; wear protective clothing and gloves, eye protection and mask or breathing protection.
Danger
H225-H319-H341-H350
i highly flammable liquid and vapour, causes serious eye irritation, suspected of causing genetic defects, may cause cancer
P210 P280 P305+P351+P338 P308+P313
i keep away from heat. No smoking, wear protective gloves/eye protection, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, IF exposed or concerned: Get medical advice/attention
Pack Qty.
Pack.
Density (D) 0,82 g/cm³
Boiling point (bp) 78 °C
Flash point (flp) 17 °C
ADR 3 II
WGK 3
UN-Nr. 1170

Indicator pH 8,0-10,0
ready-to-use

€22.50/Pack Qty. 

excl. VAT. | 250 ml per Pack Qty.

Art. No. K034.1

In stock
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from 6 Pack Qty. €21.38/Pack Qty.
from 24 Pack Qty. €20.25/Pack Qty.
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Product details



Phenolphthalein indicator solution 1 % in ethanol 90 %, denatured

Technical Information
Colour conversion colourless - purple 
Handling area pH 8,0 - 10,0 
Phenolphthalein indicator solution
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Order No. Pack Qty. Pack. Price Quantity
K034.1 250 ml glass €22.50
K034.2 500 ml glass €31.10
K034.3 1 l glass €41.85
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Available at short notice
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Downloads / MSDS


General information

Acid Value Determination

The acid number characterises the acidic components of the fats. For this purpose, the sample is dissolved in a solvent and titrated against phenolphthalein with potassium hydroxide solution. Only free fatty acids are recorded. The fatty acids bound in the glycerides are not determined.


Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.


Hydroxyl Value

The hydroxyl value is a measure of the hydroxy group content of organic materials such as paints, resins, polystyrenes, solvents and lipids. It represents the amount in milligrams of potassium hydroxide required to neutralise the quantity of acetic acid that combines on acetylation of one gram of the substance being tested.


Certificates of Analysis

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