Name: POLY(HEXAMETHYLENE DIISOCYANATE) THDI Cas 28182-81-2
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POLY(HEXAMETHYLENE DIISOCYANATE) THDI Cas 28182-81-2

Chemical Name: POLY(HEXAMETHYLENE DIISOCYANATE)
CAS No.: 28182-81-2
Molecular Formula: C8H12N2O2
Molecular Weight: 168.2
Assay:99%
Samples: Available

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Typical Properties

Specifications

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard.		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Loss on drying	≤2.0%		0.19%
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.1%
Sulphated ash	≤0.5% determined on 1.0 g.		0.009%
Residue on ignition	≤0.1%		0.03%
Related Substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurities	≤0.5%	0.18%
Purity	≥99.0%		99.7%
Assay	99.0%~101.0% (anhydrous substance).		99.8%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies

Usage

Polyhexamethylene diisocyanate has excellent properties such as weather resistance, wear resistance, and corrosion resistance. It can be widely used

in the coatings, adhesives, elastomers industry, especially in the paint industry, including the most widely used polyisocyanate curing agent containing

isocyanate groups.

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