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CAS No 5103-42-4 , 2-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione

  • Name: 2-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione
  • Synonyms: 2-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione;5103-42-4; 2,2',3,3,3',3'-Hexahydroxy-2,2'-biindan-1,1'-dione;2-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione;
  • CAS Registry Number:
  • Melting Point: 252 °C (dec.)(lit.)
  • Flash Point: 339.8°C
  • Boiling Point: 615°C at 760 mmHg
  • Density: 1.718g/cm3
  • Refractive index: 1.776
  • Safety Statements: 26-39
  • Hazard Symbols: Xn
  • Flash Point: 339.8°C
  • EINECS: 225-823-4
  • Molecular Weight: 322.2684
  • InchiKey: LWFPYLZOVOCBPZ-UHFFFAOYSA-N
  • InChI: InChI=1S/C18H10O6/c19-13-9-5-1-2-6-10(9)14(20)17(13,
    23)18(24)15(21)11-7-3-4-8-12(11)16(18)22/h1-8,23-24H
  • Risk Statements: 22-41
  • Molecular Formula: C18H10O6
  • Molecular Structure:CAS No:5103-42-4 2-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione
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5103-42-4 HYDRINDANTIN (REDUCED FORM OF NINHYDRIN)

  • Norway Chiron AS [Manufacturer]
  • Tel: +47 73 87 44 90
  • Fax: +47 73 87 44 99
  • Address: Chiron AS
    Stiklestadveien 1
    N-7041 Trondheim
    Norway null,nullNorway
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5103-42-4 Hydrindantin

  • Hydrindantin, 98
  • United Kingdom Hawks Chemical Company [Manufacturer]
  • Tel: +44 161 3679441
  • Fax: +44 161 3679443
  • Address: Hawks Chemical Company
    2, Tower St
    Hyde
    Cheshire
    United Kingdom
    SK14 1JW null,nullUnited Kingdom
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5103-42-4 1895.18-100MG HYDRINDANTIN (REDUCED FORM OF NINHYDRIN)

  • Germany Campro Scientific GmbH [Manufacturer]
  • Tel: +49.(0)30.629.01.89.0 (Germany)/ +31.(0)318.529.437 (Netherlands)
  • Fax: +49.(0)30.629.01.89.89
    +31.(0)318.542.181
  • Address: Campro Scientific GmbH
    Postfach 36 20 65
    D-10972 Berlin
    Germany
    Tel. +49.(0)30.629.01.89.0
    Fax +49.(0)30.629.01.89.89
    info@campro.eu null,nullGermany
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5103-42-4 Hydrindantin

  • Hydrindantin
  • Norway Chiron AS [Manufacturer]
  • Tel: +47-73 87 44 90
  • Fax: +47-73 87 44 99
  • Address: Stiklestadveien 1N-7041 TrondheimNORWAY Trondheim,nullNorway
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5103-42-4 Hydrindantin

  • Hydrindantin
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany null,nullGermany
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5103-42-4 2,2-DIHYDROXY-2,2-BIINDAN-1,1,3 3-TETRONE ANHYDROUS

  • 2,2-DIHYDROXY-2,2-BIINDAN-1,1,3 3-TETRONE ANHYDROUS
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong null,nullHong kong
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5103-42-4 HYDRINDANTIN

  • 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-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione
Title: Hydrindantin
CAS Registry Number: 5103-42-4
CAS Name: 2,2¢-Dihydroxy-[2,2¢-bi-1H-indene]-1,1¢,3,3¢-(2H,2¢H)-tetrone
Synonyms: 2,2¢-dihydroxy-[2,2¢-biindan]-1,1¢,3,3¢-tetrone; reduced ninhydrin
Molecular Formula: C18H10O6
Molecular Weight: 322.27
Percent Composition: C 67.08%, H 3.13%, O 29.79%
Literature References: Formed by the action of potassium cyanide on ninhydrin: Bruice, Richards, J. Org. Chem. 23, 145 (1958). Convenient prepn by reduction of ninhydrin with ascorbic acid: Moore, Stein, J. Biol. Chem. 211, 907 (1954).
 
Derivative Type: Dihydrate
Properties: Prisms from acetone, anhydr at 100°, turns reddish-brown at 200°, dec 249-254°. Very sparingly sol in hot water; sol in Methyl Cellosolve. Sol with decompn in aq Na2CO3 solns (deep red color), and in NaOH solns (deep blue color). Can be precipitated from carbonate solns by the addn of acid. Deep purple color with ammonia and blue color with amino acids.
 
Use: Reagent for the photometric determination of amino acids and similar compds.