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ChemicalBook >> CAS DataBase List >> Phenolphthalein

Phenolphthalein

Phenolphthalein price.
  • $10 - $1183.39
  • Product name: Phenolphthalein
  • CAS: 77-09-8
  • MF: C20H14O4
  • MW: 318.32
  • EINECS:201-004-7
  • MDL Number:MFCD00005913
  • Synonyms:1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-;1(3H)-Isobenzofuranone,3,3-bis(4-hydroxyphenyl)- ;2,2-bis(p-hydroxyphenyl)phthalide ;3,3-bis(4-hydroxyphenyl)-1(3h)-isobenzofuranon ;alpha-(p-hydroxyphenyl)-alpha-(4-oxo-2,5-cyclohexadien-1-ylidine)-o-toluicacid ;alpha-di-(p-hydroxyphenyl)phthalide ;Chocolax;component of Correctol
49 prices
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  • AK Scientific
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • Aronis compounds
  • Atlantic Research Chemicals
  • Chem-Impex
  • ChemScene
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  • GFS CHEMICALS
  • Matrix Scientific
  • ProChem
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  • 12kg
  • 50gm:
  • ManufacturerAK Scientific
  • Product numberJ55459
  • Product descriptionPhenolphthalein
  • Packaging5g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number9832AF
  • Product descriptionPhenolphthalein
  • Packaging5g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ61785
  • Product descriptionPhenolphthalein, 2% soln. in 95% ethanol
  • Packaging100ml
  • Price$23.8
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA17135
  • Product descriptionPhenolphthalein, 98%
  • Packaging50g
  • Price$25.4
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product number038705
  • Product descriptionPhenolphthalein, ACS
  • Packaging100g
  • Price$34.5
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA17135
  • Product descriptionPhenolphthalein, 98%
  • Packaging250g
  • Price$62.4
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ61785
  • Product descriptionPhenolphthalein, 2% soln. in 95% ethanol
  • Packaging1000ml
  • Price$74.1
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product number038704
  • Product descriptionPhenolphthalein, 1% w/v in alcohol
  • Packaging500ml
  • Price$87
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product number038703
  • Product descriptionPhenolphthalein, 0.5% w/v in alcohol
  • Packaging500ml
  • Price$109
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product number038705
  • Product descriptionPhenolphthalein, ACS
  • Packaging500g
  • Price$122
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product number038703
  • Product descriptionPhenolphthalein, 0.5% w/v in alcohol
  • Packaging1L
  • Price$183
  • Updated2023-06-20
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  • ManufacturerAlfa Aesar
  • Product numberA17135
  • Product descriptionPhenolphthalein, 98%
  • Packaging1000g
  • Price$187
  • Updated2024-03-01
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberDYE0000327
  • Product descriptionPHENOLPHTHALEIN 95.00%
  • Packaging1G
  • Price$605.15
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberDYE0000327
  • Product descriptionPHENOLPHTHALEIN 95.00%
  • Packaging2.5G
  • Price$769.05
  • Updated2021-12-16
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  • ManufacturerAronis compounds
  • Product numbera03362
  • Product description3,3-bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one
  • Packaging1mg
  • Price$12
  • Updated2021-12-16
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  • ManufacturerAronis compounds
  • Product numbera03362
  • Product description3,3-bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one
  • Packaging20mg
  • Price$30
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific J55459 Phenolphthalein 5g $10 2021-12-16 Buy
AK Scientific 9832AF Phenolphthalein 5g $14 2021-12-16 Buy
Alfa Aesar J61785 Phenolphthalein, 2% soln. in 95% ethanol 100ml $23.8 2024-03-01 Buy
Alfa Aesar A17135 Phenolphthalein, 98% 50g $25.4 2024-03-01 Buy
Alfa Aesar 038705 Phenolphthalein, ACS 100g $34.5 2024-03-01 Buy
Alfa Aesar A17135 Phenolphthalein, 98% 250g $62.4 2024-03-01 Buy
Alfa Aesar J61785 Phenolphthalein, 2% soln. in 95% ethanol 1000ml $74.1 2024-03-01 Buy
Alfa Aesar 038704 Phenolphthalein, 1% w/v in alcohol 500ml $87 2021-12-16 Buy
Alfa Aesar 038703 Phenolphthalein, 0.5% w/v in alcohol 500ml $109 2023-06-20 Buy
Alfa Aesar 038705 Phenolphthalein, ACS 500g $122 2024-03-01 Buy
Alfa Aesar 038703 Phenolphthalein, 0.5% w/v in alcohol 1L $183 2023-06-20 Buy
Alfa Aesar A17135 Phenolphthalein, 98% 1000g $187 2024-03-01 Buy
American Custom Chemicals Corporation DYE0000327 PHENOLPHTHALEIN 95.00% 1G $605.15 2021-12-16 Buy
American Custom Chemicals Corporation DYE0000327 PHENOLPHTHALEIN 95.00% 2.5G $769.05 2021-12-16 Buy
Aronis compounds a03362 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one 1mg $12 2021-12-16 Buy
Aronis compounds a03362 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one 20mg $30 2021-12-16 Buy

Properties

Melting point :261-263 °C (lit.)
Boiling point :417.49°C (rough estimate)
Density :1.27 g/cm3 at 32 °C
refractive index :1.5400 (estimate)
Flash point :24 °C
storage temp. :no restrictions.
solubility :Soluble in alcohol. Slightly soluble in ether. Slightly soluble in dimethyl sulfoxide and insoluble in benzene or hexane.
form :Solid
pka :9.4(at 25℃)
Colour Index :764
color :White to yellow-white
PH Range :8.0(colorless)-10(Red)
PH :7.8~10.0
Odor :Odorless
Water Solubility :<0.1 g/100 mL
λmax :552nm, 553nm, 374nm, 205nm, 229nm, 276nm
Merck :14,7243
BRN :284423
Stability :Stable. Incompatible with strong oxidizing agents, alkalies.
Major Application :Display device, sensors, semiconductors, fuel cells, photoreceptors, electronic packaging, authentication system for secure documents, inks, correction fluid, paints, detection of defects in films, floor coatings, textiles, corrosion testing, explosive, concrete, toys, detecting lipase activity of crop seeds, soaps, method for prevention of drugmisuse, cosmetics, diapers, detecting viable cells, carbohydrates, antimalarial, treating amyloid-associated diseases
LogP :2.410
CAS DataBase Reference :77-09-8(CAS DataBase Reference)
IARC :2B (Vol. 76) 2000
NIST Chemistry Reference :Phenolphthalein(77-09-8)
EPA Substance Registry System :3,3-Bis(4-hydroxyphenyl)phthalide (77-09-8)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger GHS hazard pictograms
Precautionary statements:
P202 Do not handle until all safety precautions have been read and understood.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.

Description

Phenolphthalein is widely used as an indicator in acid-base titrations, water treatment applications. Due to its pH sensitivity, It is used to the check extend of carbonation in concrete, soap and in toys as diapering work. It is used in Kastle-Meyer test, which identifies the substances containing blood.

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