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Detail of "119-90-4"

  • CAS Number:
  • 119-90-4
  • Name:
  • [1,1'-Biphenyl]-4,4'-diamine,3,3'-dimethoxy-

  • Superlist Name:
  • 3,3'-Dimethoxybenzidine
  • Molecular Structure:
  • Formula:
  • C14H16N2O2
  • Molecular Weight:
  • 244.32
  • Deleted CAS:
  • 59777-10-5
  • Synonyms:
  • Benzidine,3,3'-dimethoxy- (8CI);Fast Blue B Base (6CI);3,3'-Dimethoxy-4,4'-diaminobiphenyl;Dianisidine;FastBlue Base B;3,3'-Dimethoxy-4,4'-diaminodiphenyl;3,3'-Dimethoxybenzidene;3,3'-Dimethoxybenzidine;4,4'-Bi-o-anisidine;4,4'-Diamino-3,3'-dimethoxy-1,1'-biphenyl;Amacel Developed Navy SD;AzogeneFast Blue B;Blue BN Base;Blue Base Irga B;Blue Base NB;Cellitazol B;Cibacete Diazo Navy Blue 2B;Fast Blue DSC Base;Kayaku Blue B Base;Lake Blue B Base;NSC 3168;o-Dianisidine;
  • EINECS:
  • 204-355-4
  • Density:
  • 1.178 g/cm3
  • Melting Point:
  • 137-138 °C(lit.)
  • Boiling Point:
  • 391.3 °C at 760 mmHg
  • Flash Point:
  • 202.8 °C
  • Solubility:
  • slightly soluble in water
  • Appearance:
  • Grey fine crystals
  • Hazard Symbols:
  • ToxicT
  • Risk Codes:
  • 45-22
  • Safety:
  • 53-45 Details
  • Transport Information:
  • UN 2811

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

  Package:25kg net bag...

blue base nb 3,3'-Dimethoxybenzidine

Supplier:GREAT TONGDA INT'L LTD. [ China (Mainland)]

Platinum
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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Assay:98%

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

o-Dianisidine [119-90-4]

Supplier:tianjin xintaimei chemical co, ltd. [ China (Mainland)]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Changzhou Sohon Chemtech Co., Ltd. [ China (Mainland)]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

o-DIANISIDINE

Supplier:NILE CHEMICALS [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

more information,please contact us

Supplier:EMCO chemicals [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Ortho Dianisidine Base/ Blue Base

Supplier:Sajjan India Pvt. Ltd. [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Alchemie USA [ United States]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:cdhfinechemical [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Edutek Instrumentation [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:AccuStandard Inc [ United States]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Nova International [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Naugra Export [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:SR Speciality Chemicals [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Sumitomo Chemical [ Belgium]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Otto Chemie pvt ltd [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:Chemspec Chemicals Pct. Ltd. [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:ottoinc [ India]

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CAS No.119-90-4 3,3'-Dimethoxybenzidine

Supplier:ADVANCED TECH. & IND. CO., LTD. [ Hong Kong]

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Address:UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG

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Reference

Copperizable direct dark blue dye
Copperizable direct dark blue dye. Moser, Werner Rudolf; Schmidt, Walter Ernest; Chicu, Sergiu Adrian; Havlik, Iaroslav Vaclav Aurel; Toth, Adalbert Ioan (Intreprinderea de Coloranti "Colorom", Rom.). Rom. RO 79346 B 30 Jun 1982, 2 pp. (Romanian). (Romania). CODEN: RUXXA3. CLASS: IC: C09B031-18. APPLICATION: RO 80-100571 22 Mar 1980. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) The title trisazo dye (I) [88108-50-3] is manufd. by coupling of neutralized tetrazotized 4,4'-diamino-3,3'-dimethoxybiphenyl [119-90-4] with 2-hydroxy-6-naphthalenesulfonic acid [93-01-6] in the presence of NaHCO3 at 0-8°, followed by coupling of the product azo dye (II) [88108-51-4] in the same medium in the presence of NH4OH and dispersant, e.g., 2-naphthalenesulfonic acid-HCHO condensate, at 0-5° at the beginning and then at 20-25° at the end of reaction. The procedure eliminated the use of C5H5N in the second coupling step.
Copperizable direct black dye
Copperizable direct black dye. Havlik, Iaroslav; Schmidt, Walter; Toth, Adalbert; Moser, Werner (Intreprinderea de Coloranti "Colorom", Rom.). Rom. RO 79347 B 30 Jun 1982, 2 pp. (Romanian). (Romania). CODEN: RUXXA3. CLASS: IC: C09B031-22. APPLICATION: RO 80-100572 22 Mar 1980. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) Section cross-reference(s): 25 Copperizable trisazo dye I [25255-00-9] is manufd. by neutralizing tetrazotized 4,4'-diamino-3,3'-dimethoxybiphenyl (II) [119-90-4] with 5% aq. NaHCO3, coupling of tetrazotized II with salicylic acid [69-72-7] at pH 8-9 and 0-15° for 2-4 h and then at pH 8.5-9.5 for 1.5-3 h in aq. Na2CO3, and coupling of the product in the same medium with III [61827-73-4] at pH 9.5-10 and 10-25° for 1-3 h. This procedure eliminated the previously reported use of C5H5N in the second coupling step.
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