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CAS No 81-90-3 , 2-[bis(4-hydroxyphenyl)methyl]benzoic acid

  • Name: 2-[bis(4-hydroxyphenyl)methyl]benzoic acid
  • Synonyms: Benzoic acid; EINECS 201-384-4;81-90-3; 2-(bis(4-hydroxyphenyl)methyl)-; 2-[Bis(4-hydroxyphenyl)methyl]benzoic acid;2-[bis(4-hydroxyphenyl)methyl]benzoic acid;
  • CAS Registry Number:
  • Melting Point: 238 °C
  • Flash Point: 299.7°C
  • Boiling Point: 548.7°C at 760 mmHg
  • Density: 1.323g/cm3
  • Safety Statements: 24/25
  • Flash Point: 299.7°C
  • EINECS: 201-384-4
  • Molecular Weight: 320.33864
  • InchiKey: FFFPYJTVNSSLBQ-UHFFFAOYSA-N
  • InChI: InChI=1S/C20H16O4/c21-15-9-5-13(6-10-15)19(14-7-11-16(22)12-8-14)17-3-1-
    2-4-18(17)20(23)24/h1-12,19,21-22H,(H,23,24)
  • Molecular Formula: C20H16O4
  • Molecular Structure:CAS No:81-90-3 2-[bis(4-hydroxyphenyl)methyl]benzoic acid
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81-90-3 PHENOLPHTHALIN; 98%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany null,nullGermany
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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

  • India Nile Chemicals [Manufacturers]
  • Tel: +91-(22)-66313162, 23454828
  • Fax: +91-(22)-23454828
  • Address: 202, Matruchhaya, 378/80 Narshi Natha Street, Mumbai, Maharashtra 400 009, Mumbai,MumbaiIndia
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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

  • China Tianjin Youngshining Chemicals Co., Ltd. [Manufacturers]
  • Tel: +86-22-23988388 58399508 58399509 23985828
  • Fax: +86-22-23988388. 23986867.
  • Address: Xiqing economic development zone, Tianjing, China Tianjing,TianjingChina
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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

  • China Tianjin Kermel Chemical Reagent Co., Ltd [Manufacturers]
  • Tel: 0086-22-28545255,28545251,28545252, 28545253
  • Fax: 0086-22-28545261,28545262
  • Address: No.11 Xingyuan Road, Xianshuigu Industry, Tianjin City, 300350 Tianjin,TianjinChina
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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

  • China Beijing Merson Pharmaceutical Co., Ltd [Manufacturers]
  • Tel: 0086-10-80484934 0086-10-80484574/80483447
  • Fax: 0086-10-80485714
  • Address: 2nd Floor , No. 2 Building , No. 14 Houshayu Duan, Jingmi Road ,Shunyi District , Beijing 101318, P.R.China Beijing,BeijingChina
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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

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81-90-3 2-[bis(4-Hydroxyphenyl)methyl]benzoate

  • Canada Medix Corporation [Importer/Exporter]
  • Tel: +1-818-9969944
  • Fax: +1-818-6549292
  • Address: 6860 Canby St. Suite #105 Reseda, CA 91335 Reseda,CACanada
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81-90-3 PHENOLPHTHALIN

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China null,nullChina
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References of 2-[bis(4-hydroxyphenyl)methyl]benzoic acid
Title: Phenolphthalin
CAS Registry Number: 81-90-3
CAS Name: 2-[Bis(4-hydroxyphenyl)methyl]benzoic acid
Synonyms: decolorized phenolphthalein; phthalin; 4¢,4¢¢-dihydroxytriphenylmethane-2-carboxylic acid
Molecular Formula: C20H16O4
Molecular Weight: 320.34
Percent Composition: C 74.99%, H 5.03%, O 19.98%
Literature References: Made by boiling phenolphthalein with zinc dust in alkaline soln. Called "Kastle-Meyer reagent" when in soln. Prepd by dissolving 2 g phenolphthalin + 20 g KOH in a desired amt of doubly distd H2O and diluting with an equal vol of 95% ethanol. Detailed directions for prepn of test soln and its use: Lecoq, Bull. Soc. Chim. Belg. 54, 186-202 (1945), C.A. 41, 2346i (1947).
Properties: Colorless crystals, mp 237°. Insol in water; sol in alcohol, ether, aq alkali. The alkaline solns gradually become pink on exposure to air or other oxidizing substances.
Melting point: mp 237°
Use: As a reagent for oxidases, blood, HCN, peroxides, copper.