Home > Name List By a > Azo Violet

CAS No 74-39-5 , Azo Violet

  • Name: Azo Violet
  • Synonyms: Azo Violet; Magneson; 2,4-Dihydroxy-4-nitroazobenzene; 4-[(4-nitrophenyl)diazenyl]-1,3-benzenediol;Magneson I;4-(4-Nitrophenylazo)resorcinol;
  • CAS Registry Number:
  • Melting Point: 195-200 ºC
  • Density: 1.45 g/cm3
  • Refractive index: 1.665
  • Safety Statements: R36/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 200-808-5
  • Molecular Weight: 259.22
  • InChI: InChI=1/C12H9N3O4/c16-10-5-6-11(12(17)7-10)14-13-8-1-3-9(4-2-8)15(18)19/h1-7,16-17H/b14-13+
  • Risk Statements: S26;S36
  • Molecular Formula: C12H9N3O4
  • Molecular Structure:CAS No:74-39-5 Azo Violet
Search by region :

Select to

74-39-5 4-(4-NITROPHENYLAZO)RESORCINOL; 96%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
Contact Supplier

74-39-5 Azo Violet

  • China Chemrio International Limited [Manufacturer]
  • Tel: +86 574 2789 1268/ +86-139 5789 5864 (mobile)
  • Fax: +86 574 2789 1266
  • Address: Chemrio International Limited
    Room 611-612, Wante Business Center
    No.487 Yangmuqi Road,
    Hi-tech Park Ningbo, 315040,China ,China
Contact Supplier

74-39-5 MAGNESON I

  • 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
Contact Supplier

74-39-5 Azo Violet

Contact Supplier

74-39-5 4-(4-Nitrophenylazo)resorcinol

  • 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
Contact Supplier

74-39-5 Azo Violet

  • China China Langchem Inc. []
  • Tel: +86-(21)-58956006
  • Fax: +86-(21)-58956100
  • Address: 514 Room, 1# Building, 88# Cailun Road, Zhangjiang High Tech Park, Shanghai 201203, ,China
Contact Supplier

74-39-5 Azo Violet

  • China Haihang Industry Co., Ltd. []
  • Tel: +86-(531)-88032799
  • Fax: +86-(531)-85821093
  • Address: 2/F, East Tower, Bldg 12, No. 2 Qilihe Road, Jinan 250100, ,China
Contact Supplier

74-39-5 Azo Violet

Contact Supplier

74-39-5 Azo Violet

  • China Betapharma(Shanghai)Co., Ltd. []
  • Tel: +86-(21)-33538380
  • Fax: +86-(21)-32082820
  • Address: No.17#-6D. 830 Lane, Maotai Road, Shanghai 200336, ,China
Contact Supplier

74-39-5 4-(4-NITROPHENYL)AZORESORCINOL 98%

Contact Supplier

Select to

References of Azo Violet
Title: Magneson
CAS Registry Number: 74-39-5
CAS Name: 4-[(4-Nitrophenyl)azo]-1,3-benzenediol
Synonyms: 4-(p-nitrophenylazo)resorcinol; 2,4-dihydroxy-4¢-nitroazobenzene
Molecular Formula: C12H9N3O4
Molecular Weight: 259.22
Percent Composition: C 55.60%, H 3.50%, N 16.21%, O 24.69%
Literature References: Ref: Suitzu, Okuma, J. Soc. Chem. Ind. Jpn. 29, 132 (1926); Ruigh, J. Am. Chem. Soc. 51, 1456 (1929); Engel, ibid. 52, 1812 (1930).
Properties: Brownish-red powder. Practically insol in water; sol in dil aq NaOH.
Use: For the detection of magnesium with which it yields a bright blue color in alkaline soln. Also used to determine molybdenum with which it forms a red-violet complex: Nikitina, Andrianova, C.A. 75, 136789v (1971).