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Industrial grade 96% PENTAERYTHRITOL TETRA(3-MERCAPTOPROPIONATE) 7575-23-7 PETMP

Synonyms:Pentaerythritol tetra(3-mercaptopropionate)
PETMP
Pentaerythritol tetrakis(3-mercaptopropionate)
Pentaerythritol tetramercaptopropionate
Pentaerythritol tetra-3-mercaptopropionate

Molecular Formula: C17H28O8S4
Molecular Weight: 488.66
HS Code: 2930909099
Grade: Industrial grade96%
Hazard Class:Class9

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Model:
7575-23-7
Brand:
futurechemical
Code:
7575-23-7

Product Description

Certificate of Analysis-COA

TestItems	Specifications	TestResults
Appearance	Clear,Colorless to slight yellow	Passed
Color Number (APHA)	20 (Max)	12
Content（% w/w）	95 (Min)	96.14
Mercapto Sulfur(SH) (% w/w SH)	25.72—27.04	25.97
Acid Number (mg KOH/g)	1.0 （max）	0.18
Refractive Index n°20	1.529-1.534	Passed

Applications

1. UV Curing Thiol-Ene Systems A high-performance tetrafunctional thiol for UV and EB-curable thiol-ene/thiol-yne systems. Enables fast curing with low shrinkage and excellent oxygen insensitivity, delivering high conversion and reliable results in UV coatings and adhesives.

2. Optical Adhesives & Materials A key monomer for high-refractive-index optical adhesives and optical materials. Provides excellent clarity, refractive index (about 1.53) and dimensional stability for lenses, displays and precision optical assemblies.

3. Polymer Crosslinkers A versatile tetrafunctional crosslinker for polyurethane, epoxy and acrylic systems. High thiol functionality enhances crosslink density, mechanical strength and chemical resistance of finished polymers.

4. Epoxy & Resin Modification Improves flexibility, toughness and adhesion of epoxy and unsaturated resin systems. Consistent thiol content and low viscosity support reliable formulation and processing.

5. Structural & Specialty Adhesives A reactive component for structural adhesives bonding metals, glass and plastics. Strong adhesion, fast cure and durability support demanding assembly applications.

6. Coatings & Specialty Applications A functional additive for UV coatings and specialty formulations. Stable quality and consistent reactivity support reproducible performance across applications.

Production Line

We operate 10+ production lines, backed by a well-stocked raw material warehouse.

Our workshop is equipped with automated machinery — ensuring high consistency and precision on every order, from trial samples to full container loads.

Every order follows a standardized workflow. Key quality control points are set at every stage.

Factory Area

Standardized Process Flow

Production Capacity

Located in Shandong, our factory is approximately 300km from Qingdao Port, enabling fast and cost-effective delivery to customers worldwide.

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Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.