CAS No.	547-58-0
C.I.No.	13025
Chemical Formula	C14H14N3NaO3S
Molecular Weight	327.34
Melting Point	300° c
Dye Content	~95%
Transition Range	pH 3.0-4.4 Pink-Orange yellow
Absorptivity(pH 3.0)501-504nm	1050-1150
Absorptivity(pH 4.4)467-471nm	750-850
Loss On Drying (110 ° c)	< 5%

Hazards identification

• Hazard description: T Toxic
  Information pertaining to particular dangers for man and environment
  R 23/24/25 Toxic by inhalation, in contact with skin and if swallowed.

• DOT regulations:
  Hazard class:             6.1
  Identification number:    UN2811
  Packing group:            III
  Land transport ADR/RID  (cross-border)
  ADR/RID class:            6.1 Toxic substances
  Item:                     25c
  Danger code (Kemler):     60
  UN-Number:                2811
  
  
• Maritime transport IMDG:
  IMDG Class:               6.1
  UN Number:                2811
  Packaging group:          III
  
  
• Air transport ICAO-TI and IATA-DGR:
  ICAO/IATA Class:          6.1
  UN/ID Number:             2811
  Packaging group:          III
  

  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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