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CAS No 596-27-0 , 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one

  • Name: 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
  • Synonyms: 3',3''-Dimethylphenolphthalein; EINECS 209-881-8;o-Cresolphthalein; Cresolphthalein;3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one; 3,3'-Dimethylphenolphthalein; 596-27-0;
  • CAS Registry Number:
  • Transport: HAZARD
  • Melting Point: 223-225 ºC
  • Flash Point: 198.8°C
  • Boiling Point: 555°Cat760mmHg
  • Density: 1.32g/cm3
  • Refractive index: 1.668
  • Safety Statements: R40
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 198.8°C
  • EINECS: 209-881-8
  • Molecular Weight: 346.37592
  • InchiKey: CPBJMKMKNCRKQB-UHFFFAOYSA-N
  • InChI: InChI=1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)
    18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3
  • Risk Statements: S36/37
  • Molecular Formula: C22H18O4
  • Molecular Structure:CAS No:596-27-0 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
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596-27-0 3-Hydroxycinnamic acid

  • 3-Hydroxycinnamic acid
  • United States RIA International [Manufacturer]
  • Tel: 19735811282
  • Fax: 19735811283
  • Address: 11 Melanie Lane #17 East Hanover 07936 NJ UNITED STATES NJ,nullUnited States
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596-27-0 o-Cresolphthalein

  • o-Cresolphthalein
  • China Shenzhen sailing chemical Co.,Ltd [Manufacturer]
  • Tel: 86-755-26415005
  • Fax: 86-755-26412646
  • Address: 1-403 Bei tou hao yuan Nanxing Road Nanshan District Shenzhen, Guangdong 518051 shenzhenCHINA shenzhen,nullChina
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596-27-0 COUMARIC ACID,3-(RG)

  • COUMARIC ACID,3-(RG)Hydroxycinnamic acid,Trans-3-
  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 null,nullUnited States
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596-27-0 o-Cresolphthalein

  • o-Cresolphthalein
  • Ukraine Otava Chemicals [Manufacturer]
  • Tel: +380 44 5222458
  • Fax: +380 44 5222458
  • Address: PO 8803187 Kyiv 187UKRAINE 03187 Kyiv 187,nullUkraine
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596-27-0 o-Cresolphthalein

  • o-Cresolphthalein, 98%
  • United Kingdom Cardiff Chemicals Limited [Manufacturer]
  • Tel: +44(0) 29 20 779612
  • Fax: +44(0) 29 20 779612
  • Address: Unit 10, CF3 0EF CardiffUNITED KINGDOM CF3 0EF Cardiff,nullUnited Kingdom
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596-27-0 o-Cresolphthalein

  • o-Cresolphthalein
  • United Kingdom Molekula Ltd [Manufacturer]
  • Tel: +44 1202 863000
  • Fax: +44 1202 863003
  • Address: Technology House Old Forge Road Ferndown Industrial Estate Wimborne Dorset Bh21 7RR null,nullUnited Kingdom
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596-27-0 o-Cresolphthalein

  • Hong kong ADVANCED TECH. & IND. CO., LTD. [Distributor/Wholesaler]
  • Tel: 86-23902293
  • Fax: 86-27898314
  • Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG Hong Kong,nilHong kong
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596-27-0 Glycopyrrolate

  • Glycopyrrolate, USP
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  • India J.INC. [Manufacturer]
  • Tel: +91 79 30071152, 30071190, 30071175, 30071153
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  • Address: # 95, Rangwala Towers, Law garden, Ellisbridge, Ahmedabad 380006, Gujarat State, India. 380006 AhmedabadINDIA Ahmedabad,nullIndia
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596-27-0 O-CRESOLPHTHALEIN INDICATOR

  • O-CRESOLPHTHALEIN INDICATOR
  • India CHEMPURE [Manufacturer]
  • Tel: 0091-22-26764461/ 0091-22-26764462
  • Fax: 0091-22-26764023
  • Address: 328,Ashirwad Industrial Estate Bldg No.3 Ram Mandir Road,Goregaon (West) Mumbai- 400104 India Tel:0091-22-26764461 0091-22-26764462 0091-22-26764139 Fax:0091-22-26764023 Cell: 09821531478 email: chempure@bom2.vsnl.net.in 400104 MUMBAI MUMBAI,nullIndia
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596-27-0 O-CRESOLPHTHALEIN

  • China Shanghai Sunwise Chemical Co., Ltd. [Manufacturer]
  • Tel: +86-21-64063188
  • Fax: +86-21-64062858
  • Address: Shanghai Sunwise Chemical Co., Ltd.
    7G, No 1235 Wuzhong Road
    Shanghai P.R.China null,nullChina
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References of 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
Title: o-Cresolphthalein
CAS Registry Number: 596-27-0
CAS Name: 3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
Synonyms: 3,3¢-dimethylphenolphthalein
Molecular Formula: C22H18O4
Molecular Weight: 346.38
Percent Composition: C 76.28%, H 5.24%, O 18.48%
Literature References: Prepn: F. J. Welcher, Organic Analytical Reagents vol. 4 (Van Nostrand, New York, 1948) p 482; Hubacher et al., J. Am. Pharm. Assoc. 42, 23 (1953).
Properties: Crystals from alc, mp 223°. Slightly sol in water; sol in alcohol. pK 9.4.
Melting point: mp 223°
pKa: pK 9.4
Use: As indicator: pH range, 8.2 colorless, 9.8 red. Analytical reagent.