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Phenolphtalein Indicator in Ethanol, 10g/L, Chem-Lab

Turns red-violent in the presence of bases (at pH 8.2–9.8). Phenolphtalein Indicator in Ethanol, 10g/L, Chem-Lab contains 10g C20H14O4 per 1L C2H5OH. It is used as an indicator in acid-base titrations.

Brand:  Chem Lab CL0606040250


Quantity 250 mL
Regulatory: This product fall under regulation “Lov om kemiske stoffer og produkter - lovbekendtgørelse nr. 1755 af 22. december 2006. If applicable, customers must provide a license before delivery.

Product Code. 11952505

  • 109.30 DKK / 250mL

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Description

Description

Phenolphthalein is usually dissolved in alcohol for use in experiments. It is a weak acid, which can lose H+ ions in solution. The phenolphthalein molecule is colorless, while the phenolphthalein ion is pink. In acidic and neutral solutions, the solution is colorless. When a base is added to the phenolphthalein, more ionization takes place, causing the solution to turn a red-violet color. This solution turns this pinkish color at pH 8.2–9.8.
Specifications

Specifications

-114°C
10g C20H14O4 per 1L C2H5OH
MFCD00005913
KJFMBFZCATUALV-UHFFFAOYSA-N
3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
4764
46.07g/mol
0.79g/mL
Ethanol
Liquid
77-09-8, 64-17-5
C20H14O4
Slightly soluble in water
OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
318.33
CHEBI:34914
Alcoholic
Colorless to red-violet at pH 8.2–9.8
250 mL
Phenolphtalein
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Safety and Handling

Safety and Handling

Product Identifier
  • Phenolphtalein 10 g/l in ethanol indicator solution

Signal Word
  • Danger

Hazard Category
  • Carcinogenicity Category 1B
  • Flammable liquid Category 2
  • Germ cell mutagenicity Category 2

Hazard Statement
  • H225-Highly flammable liquid and vapour.
  • H341-Suspected of causing genetic defects.
  • H350-May cause cancer.

Precautionary Statement
  • P201-Obtain special instructions before use.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P308+P313-IF exposed or concerned: Get medical advice/attention.

Supplemental information
  • MIXTURE LIST-Contains : phenolphtalein indicator, ethanol

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