Intrduction:

Di-Trimethylolpropane (Di-TMP), white flake crystal.  Soluble in water, low carbohydrate alcohol, glycerin,N, N-dimethylformamide, partially soluble in acetone, ethyl acetate, slightly soluble in carbon tetracloride, ether and chloroform.  Mainly used in alkyd resin, polyurethane, unsaturated resin, polyester resin, coatings and other fields, can also be used in synthetic aviation lubricating oil, printing ink, etc., can also be used as textile additives and PVC resin heat stabilizer.  

 

Properties:

English abbreviation: Di-TMP

Chemical formula: C12H26O5

Chemical structure:

Common name: Di-Trimethylolpropane

Common synonyms: 1,1,1- trimethylolpropane

CAS registry number: 23235-61-2

Relative molecular mass: 250.33

Hygroscopicity: Strong ability to absorb moisture while exposed to atmosphere

Property: Dimer of trimethylolpropane, containing four primary hydroxyl groups.

Trademark:

Product standard: Q/320682NUU 01 Di-trimethylolpropane for industrial use

 

Specification:

 

Items	Limits
Appearance	White or offwhite crystal
Purity/wt% min	95.0
Water/wt% max.	0.5
Hydroxyl Number/（mgKOH/g）	870~910
Crystallizing Point/℃  min	106

 

Application:

This product is the raw material for producing radiation curing monomers/oligomers, synthetic lubricants, special resins,

chemical intermediates, coating resins, PVC stabilizers as well as other fine chemicals.

 

Package and delivery:

 

25 kg net weight in composite bags, or at customer’s request, packed in woven bags at 500/1000 kg net weight.