PHENOL RED

 

SPECIFICATION SHEET

CAS No.	143-74-8
Chemical Formula	C19H14O5S
Molecular Weight	354.38
Dye Content	~95%
Solution Clarity (EtOH)	To pass
Transition Range	pH 6.5 - pH 8.0
Absorptivity (pH 1.2) 503 - 506 nm	1000 - 1100
Absorptivity (pH 3.0) 430-435 nm	600 - 700
Absorptivity (pH 6.5) 430 - 435 nm	600 - 700
Absorptivity (pH 8.0) 557 - 560 nm	1100 - 1200
Loss On Drying (110° c.)	< 1%

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Hazards identification

• Hazard description: Xi Irritant
  Information pertaining to particular dangers for man and environment
  R 36/37/38 Irritating to eyes, respiratory system and skin.

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
• 
  

  OTHER INFORMATION

  It must be recognised that the physical and chemical properties of any product may not be fully understood and that new, possibly hazardous products may arise from reactions between chemicals. The information given in this data sheet is based on our present knowledge and shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.

  
  

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