METHYL RED

 

SPECIFICATION SHEET

CAS No.	493-52-7
C.I.No.	13020
Chemical Formula	C15H15N3O2
Molecular Weight	269.31
Melting Point	179-182° c
Dye Content	~95%
Absorption Max(pH4.5)	523-526 nm
Absorption Max(pH6.2)	430-434 nm
Absorptivity(1%,1cm)pH 4.5	>1330
Absorptivity(1%,1cm)pH 6.2	>700
Transition Range	pH 4.2 - 6.2 Red - Yellow
Loss On Drying (110 ° c)	< 5%

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Hazards identification

• Hazard description: Xn Harmful
  
• Information pertaining to particular dangers for man and environment
  R 40 Limited evidence of carcinogenic effects.

Not a hazardous material for transportation.

• DOT regulations:
  Hazard class:             None
  Land transport ADR/RID  (cross-border)
  ADR/RID class:                None
  Maritime transport IMDG:
  
• IMDG Class:               None
  
• Air transport ICAO-TI and IATA-DGR:
  
• ICAO/IATA Class:          None
  

Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees.  This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user

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