NILE CHEMICALS

THYMOLPHTHALEIN

SPECIFICATION SHEET

CAS No. 125 - 20 - 2
Chemical Formula C28H30O4
Molecular Weight 430.54
Melting Point 251 - 253° c
Dye Content ~95%
Solution Clarity (Ethanol) To pass
Absorption Max pH10.5 592 - 596 nm
Absorptivity (1%,1cm) pH10.5 800 - 900
Transition Range pH 9.3 - 10.5
Colourless - Blue
Loss On Drying (110° c) < 3%
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BRIEF MSDS

Hazards identification

HMIS ratings (scale 0-4)

  (Hazardous Materials Identification System)

Health (acute effects) = 1
Flammability = 1
Reactivity = 1

Physical and chemical properties:

      Water:                             Insoluble

Transport information


Not a hazardous material for transportation.

Transport/Additional information:
Not dangerous according to the above specifications.

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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