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CAS No 20734-58-1 , 1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine

  • Name: 1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine
  • Synonyms: 1,8-Bis(dimethylamino)naphthalene; N1,N1,N8,N8-tetramethylnaphthalene-1,8-diamine;20734-58-1; 1,8-Bis(dimethylamino)naphtalene;1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine;
  • CAS Registry Number:
  • Melting Point: 49-51 ºC
  • Boiling Point: 144-145 ºC (3.7505 MMHG)
  • Density: 1.074 g/cm3
  • Refractive index: 1.649
  • Safety Statements: R22;R34
  • Hazard Symbols: C: Corrosive;
  • EINECS: 244-001-6
  • Molecular Weight: 214.30612
  • InchiKey: GJFNRSDCSTVPCJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C14H18N2/c1-15(2)12-9-5-7-11-8-6-10-13(14(11)12)16(3)4/h5-10H,
    1-4H3
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C14H18N2
  • Molecular Structure:CAS No:20734-58-1 1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine
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20734-58-1 N,N,N',N'-Tetramethyl-1,8-naphthalenediamine

  • N,N,N',N'-Tetramethyl-1,8-naphthalenediamine
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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20734-58-1 1,8-Bis(dimethylamino)naphthalene

  • 1,8-Bis(dimethylamino)naphthalene
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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20734-58-1 PROTON SPONGE

  • United States Advanced Synthesis Technologies [Manufacturer]
  • Tel: 619-423-7821
  • Fax: 619-423-7793
  • Address: Advanced Synthesis
    P.O. Box 437920
    San Ysidro, CA 92173 ,United States
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20734-58-1 1,8-Bis(dimethylamino)naphthalene

  • 1,8-Bis(dimethylamino)naphthalene
  • Germany SYNTHON Chemicals GmbH & Co. KG [Manufacturer]
  • Tel: +49 3494 636900
  • Fax: +49 3494 636969
  • Address: SYNTHON Chemicals GmbH & Co. KG
    Contact: Dr. Michael G?bler
    Bitterfeld Wolfen - Areal A-
    Werkstattstrasse 10
    D-06766 Wolfen, Germany ,Germany
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20734-58-1 1,8-Bis(dimethylamino)-naphthalene

  • 1,8-Bis(dimethylamino)-naphthaleneN,N,N',N'-Bis(dimethylamino) naphthalene
  • Germany Merck Schuchardt OHG [Manufacturers]
  • Tel: +49-(8102)-802-0
  • Fax: +49-(8102)-802-175
  • Address: Eduard-Buchner-Str. 14-20, Hohenbrunn 85662, Hohenbrunn,HohenbrunnGermany
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20734-58-1 N,N,N',N'-tetramethyl-1,8-naphthalenediamine

  • China HuaiBei SanHe Developing Co., Ltd. [Manufacturers]
  • Tel: 86-561-3191113
  • Fax: +86-561-3192253
  • Address: Room 201,Building ZY-1,GuCheng Road,Huaibei,Anhui,China ,anhuiChina
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20734-58-1 1,8-BIS(DIMEHYL AMINO) NAPHTHALENE

  • China Shanghai Jinglan Chemical Co., Ltd. [Manufacturer]
  • Tel: 86-21-37789410
  • Fax: 86-21-64966973
  • Address: Room 513, 5th Floor, Building B,
    No. 18, Lane 1305, Huajing Road,
    Shanghai, 200231, P.R. China ,China
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20734-58-1 N,N,N,N-TETRAMETHYL-1,8-NAPHTHALENEDIAMINE

  • N,N,N,N-TETRAMETHYL-1,8-NAPHTHALENEDIAMINE
  • 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,India
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20734-58-1 1,8-BIS(DIMETHYLAMINO)NAPHTALENE

  • China LON CHEMICAL [Manufacturer]
  • Tel: 86-519-85226837
  • Address: LON CHEMICAL
    Xiangjiang Huating, South Huaide RD.
    Changzhou Jiangsu China
    Post Code: 213000 ,China
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20734-58-1 1,8-Bis(dimethylamino)naphthalene

  • China MIC Scientific Ltd. [Manufacturers]
  • Tel: +86-(27)-87861439
  • Fax: +86-(27)-87881443
  • Address: 4-903 SBI Bldg. 12, Dongxin Road, East Lake, Hi-tech Development Zone, Wuhan, Hubei 430074, Wuhan,HubeiChina
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References of 1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine
Title: DMAN
CAS Registry Number: 20734-58-1
CAS Name: N,N,N¢,N¢-Tetramethyl-1,8-naphthalenediamine
Synonyms: 1,8-bis(dimethylamino)naphthalene; proton sponge
Molecular Formula: C14H18N2
Molecular Weight: 214.31
Percent Composition: C 78.46%, H 8.47%, N 13.07%
Literature References: Prototype of a class of neutral aromatic diamines with exceptionally high basicity known as proton sponges. Prepn: W. G. Brown, N. J. Letang, J. Am. Chem. Soc. 63, 358 (1941); and basicity study: R. W. Alder et al., J. Chem. Soc. Chem. Commun. 1968, 723. X-ray crystal structure: H. Einspahr et al., Acta Crystallogr. B29, 1611 (1973). Proton transfer studies: F. Hibbert, J. Chem. Soc. Perkin Trans. 2 1974, 1862. Ab initio structural studies: J. A. Platts et al., J. Org. Chem. 59, 4647 (1994); and fluorescence spectroscopy: A. Szemik-Hojniak et al., J. Am. Chem. Soc. 120, 4840 (1998). Charge distribution: P. R. Mallinson et al., ibid. 121, 4640 (1999). 13C NMR study of hydrogen bonding: M. Pietrzak et al., ibid. 123, 4338 (2001). Catalytic activity: I. Rodriguez et al., J. Catal. 183, 14 (1999). Review of chemistry: H. A. Staab, T. Saupe, Angew. Chem. Int. Ed. 27, 865-879 (1988); R. W. Alder, Chem. Rev. 89, 1215-1223 (1989).
Properties: bp4 144-145°. mp 47-48°. d 1.12. Absorption max: 335 nm (log e 3.96). pKa 12.1.
Melting point: mp 47-48°
Boiling point: bp4 144-145°
pKa: pKa 12.1
Absorption maximum: Absorption max: 335 nm (log e 3.96)
Density: d 1.12
Use: Very strong base in organic synthesis and catalysis.