Thymolphthalein

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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Product range

Ph Indicator	Chemicals Lab Bulk	Catalyst	Herbs	Intermediates
Cesium Salts	Hydrazine Salts	Direct Dyes	Acid Dyes	Solvents

BRIEF MSDS

Hazards identification

Hazard description: · Not applicable
Information pertaining to particular dangers for man and environment
Not applicable
Classification system

HMIS ratings (scale 0-4)

(Hazardous Materials Identification System)
Health (acute effects) = 1
Flammability = 1
Reactivity = 1

Physical and chemical properties:

General Information
Form: Crystalline
Color: Off-white
Odor: Not determined
Value/Range Unit Method
Change in condition
Melting point/Melting range: 251-253 ° C
Boiling point/Boiling range: Not determined
Sublimation temperature / start: Not determined
Flash point: > 135 ° C
Flammability (solid, gaseous) Product is not flammable.
Ignition temperature: Not determined
Decomposition temperature: Not determined
Danger of explosion:
Product does not present an explosion hazard.
Explosion limits:
Lower: Not determined
Upper: Not determined
Vapor pressure: Not determined
Density: Not determined
Solubility in / Miscibility with

Water: Insoluble

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

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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