NILE CHEMICALS

CAS No.	115 - 40 - 2
Chemical Formula	C21H16Br2O5S
Molecular Weight	540.24
Melting Point	240° c
Dye Content	~95%
Transition Range	pH 5.2 - 6.8 Greenish Yellow to Purple
Absorption Max(pH5.2)	427 - 431 nm
Absorption Max(pH6.8)	588 - 590 nm
Absorptivity(1%,1cm)pH 5.2	400 - 450
Absorptivity(1%,1cm)pH 6.8	1000 - 1100
Loss On Drying	<1%

BRIEF MSDS

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.

• Acute toxicity:
  Primary irritant effect:
  on the skin: Irritant to skin and mucous membranes.
  on the eye: Irritating effect.
  Sensitization: No sensitizing effects known.
  

Transport information

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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