Pentaerythritol Tetra(mercaptopropionate) / PETMP

CAS NO. 7575-23-7

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Product Description

Product Name	Pentaerythritol tetra(mercaptopropionate) / PETMP
CAS NO.	7575-23-7
Molecular Formula	C₁₇H₂₈O₈S₄
Structural Formula
Molecular Weight	488.66 g/mol
Purity	≥95%
Color(Pt-Co)	≤20
Sulfhydryl Value	25.72-27.04
Volatile	≤0.3%
Application	It is used as intermediate in organic synthesis, modifier, crosslinking agent, acid ion exchange catalyst, low temperature curing agent, etc. In UV-curable coatings, it provides rapid cure speeds, excellent adhesion, and superior flexibility for wood finishes, automotive clearcoats, and protective films. The compound's low odor and high reactivity make it ideal for UV inks requiring instant cure. For adhesives and sealants, PETMP delivers outstanding chemical resistance and weatherability. In 3D printing resins, it offers precise crosslinking control for high-resolution parts.
Key industrial benefits	Rapid UV cure at low dosages (1-5%) Low shrinkage minimizing stress Excellent substrate adhesion Superior flexibility preventing cracking Chemical resistance to solvents valuable organic synthesis intermediate

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