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CAS No 547-58-0 , Methyl Orange

  • Name: Methyl Orange
  • Synonyms: Methyl orange sodium salt; Acid Orange 52; sodium 4-(4-dimethylaminophenylazo)benzenesulphonate; Helianthise;4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt; Sodium 4-(4-dimethylaminophenylazo)benzenesulphonate;Methyl Orange; methyl orange for microscopy; METHYL ORANGE SODIUM SALT; Acid Orange 52 C.I. 13025; MO; Methyl Orange solution; C.I. 13025;C.I. 13025; 4-Dimethylaminoazobenzene-4-sulfonic acid, sodium salt;
  • CAS Registry Number:
  • Transport: UN 2811
  • Melting Point: 300 ºC
  • Flash Point: °C
  • Density: 0.987 g/mL at 25 °C
  • Water Solubility: slight
  • Safety Statements: R10
  • Hazard Symbols: T:Toxic;
  • Flash Point: °C
  • EINECS: 208-925-3
  • Molecular Weight: 327.33
  • InChI: InChI=1/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1/b16-15+;
  • Risk Statements: S16;S24/25
  • Molecular Formula: C14H14N3NaO3S
  • Molecular Structure:CAS No:547-58-0 Methyl Orange
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547-58-0 Methyl orange

  • Methyl orange CAS NO.: 547-58-0 Synonyms:P-Dimethylaminoazobenzenesul fonic acid sodium salt,Orange III Molecular formula: C14H14N3NaO3S Molecular weight: 327.33 Property: Orange chip crystal or crystalline powder. one of azo pigment. soluble in hot ...
  • China Shenyang Joinunion Chemical Technology Co.,Ltd. [Manufacturer]
  • Tel: 86-024-25439090
  • Fax: --
  • Address: No. 90 South Jingxing St. Tiexi Dist. Shenyang,LiaoningChina
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547-58-0 METHYL ORANGE

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany null,nullGermany
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547-58-0 Methyl Orange

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: null Union City,CaliforniaUnited States
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547-58-0 METHYLORANGE

  • 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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547-58-0 METHYL ORANGE

  • United States Bromorganics Corporation [Manufacturer]
  • Tel: 847-238-9588
  • Fax: 847-238-9688
  • Address: Bromorganics Corporation
    P. O. Box 722
    Elk Grove Village, Illinois 60009 null,nullUnited States
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547-58-0 Orange III

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
  • Tel: + 86 898 6854 0310/ + 86 21 64361616
  • Fax: + 86 898 6854 0119
  • Address: HAINAN COMPANY
    Address: Rm 811, Hainan Mandarin Hotel,
    Binhai Avenue, Haikou city,
    Hainan, P.R.China
    Tel: + 86 898 6854 0310
    Fax: + 86 898 6854 0119 null,nullChina
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547-58-0 Methyl Orange

  • 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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547-58-0 METHYL ORANG SOLUTION

  • 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 null,nullUnited States
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547-58-0 METHYL ORANGE

  • 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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547-58-0 Methyl Orange

  • United States GFS Chemicals, Inc. [Manufacturer]
  • Tel: 800-858-9682/ 740-881-5501
  • Fax: 740-881-5989
  • Address: GFS Chemicals, Inc.
    P.O. Box 245
    Powell, OH 43065 null,nullUnited States
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References of Methyl Orange
Title: Methyl Orange
CAS Registry Number: 547-58-0
CAS Name: 4-[[(4-Dimethylamino)phenyl]azo]benzenesulfonic acid sodium salt
Synonyms: sodium p-dimethylaminoazobenzenesulfonate; helianthine B; C.I. Acid Orange 52; C.I. 13025; Orange III; Gold Orange; Tropaeolin D
Molecular Formula: C14H14N3NaO3S
Molecular Weight: 327.33
Percent Composition: C 51.37%, H 4.31%, N 12.84%, Na 7.02%, O 14.66%, S 9.80%
Literature References: Prepn from sulfanilic acid sodium nitrite + dimethylaniline: L. Gattermann, Die Praxis des Organischen Chemikers (de Gruyter, Berlin, 40th ed., 1961) pp 260-261. See also Colour Index vol. 4 (3rd ed., 1971) p 4043.
Properties: Orange-yellow powder or cryst scales. Sol in 500 parts water; more sol in hot water. Practically insol in alcohol.
Use: As indicator in 0.1% aq soln. pH: 3.1 red, 4.4 yellow. Employed for titrating most mineral acids, strong bases, estimating alkalinity of waters; useless for organic acids. In dyeing and printing of textiles.