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Methyl red

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  Post Date: Aug 26,2017
  Expiry Date: Feb 22,2018
  Detailed Description: Cas No. :493-52-7 Molecular Formula:C15H15O2N3

Molecular Weight:269.30

PH indicator range: 4.5（red）~6.2（yellow）

Residue on ignition (as sulfate): 0.2%max

Mass-absorption coefficient λ1（PH4.5）,L/(cm·g): 130min
λ2（PH6.2）,L/(cm·g): 70min

Maximum absorption wavelength λ1（PH4.5）,nm: 523~528
λ2（PH6.2）,nm: 427~437

Loss on drying: 1.0%max



  CAS Registry Number:

493-52-7
  Synonyms: ;C.I. Acid Red 2;C.I. Acid Red 2 (8CI);O-Methyl red;CI NO 13020;BROMOCRESOL GREEN-METHYL RED;BROMOCRESOL GREEN-METHYL RED ETHANOL;BROMOCRESOL GREEN/METHYL RED, MIXED INDICATOR;BROMOCRESOL GREEN/METHYL RED, MIX INDICATOR FOR ALKALINITY;METHYL RED INDICATOR;METHYL RED MIXED SOLUTION;2-{(E)-[4-(dimethylamino)phenyl]diazenyl}benzoic acid;5-(dimethylamino)-2-[(E)-phenyldiazenyl]benzoic acid;Methyl red;
  Molecular Formula: C15H15N3O2
  Molecular Weight: 269.2985
  Molecular Structure: 493-52-7 Methyl red chloride
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R10:;
R20/21/22:;
R68:;
  Safety Description: S36/37:;

  Company: Wuhan Kemi-Works Chemical Co., Ltd     [ China ]          
  Contact: Dr. Allen Zhang
  Tel: 86-27-85736489
  Fax: 86-27-85736485
  Email: sales@kemiworks.com; info@kemiworks.net
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