Tert-Butyl Peroxyacetate

We supply tert-Butyl peroxyacetate, a reliable organic peroxide initiator. It is widely used for acrylate and styrene polymerization. As direct factory supplier, we keep stable stock and prepare full export documents for overseas buyers.

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Product Introduction

Zouping Jinxing Chemical Co., Ltd. is one of the leading manufacturers and suppliers of tert-butyl peroxyacetate in China. If you're going to wholesale bulk tert-butyl peroxyacetate made in China, welcome to get free sample from our factory. All customized products are with high quality and low price.

📊 Key Specifications

Product Name: tert-Butyl peroxyacetate

CAS No. 107-71-1

Appearance	Colorless to pale yellow clear solution
Density	0.92–0.94 g/mL (20 °C, solution)
Flash Point	26–64 °C (depends on diluent; closed cup)
SADT	≈ 70 °C (typical for commercial solution)
Decomposition Temp.	≈ 159–160 °C (1 min half-life ≈ 139 °C)
Solubility	Insoluble in water; miscible with benzene, toluene, mineral spirits, most organics
UN Number	UN 3103 (organic peroxide, Type C/D – per concentration & diluent)
Hazard Class	Class 5.2 (Organic Peroxides), PG II

🏭 Applications

Polyolefin polymerization: LDPE tubular/high-pressure process initiator; often blended with TBPP, TBPEH, TBPB to tune molecular weight distribution.
Unsaturated polyester resin (UPR): SMC/BMC high-temp curing agent (120–160 °C); stable crosslinking, excellent product color.
Vinyl monomer initiation: Initiator for styrene, vinyl acetate, acrylates, MMA - bulk/suspension/emulsion polymerization.
Rubber crosslinking: Peroxide vulcanization of elastomers; improves heat resistance and mechanical strength.
Grafting & specialty synthesis: PE grafting, functionalization, industrial oxidation/acetoxylation auxiliary.

✨ Advantages

✅ Medium-temp decomposition window (100–140 °C main range) - easy process control

✅ Supplied as diluted solution - reduces heat/impact sensitivity vs. pure peroxide

✅ Low-yellowing decomposition - ideal for transparent/light-colored resins

✅ 50% / 70% dual specs - adjustable active oxygen for different formulations

✅ Per-batch GC purity + active oxygen + free acid testing; full COA/SDS/TDS; Class 5.2 DG compliant shipment

📦 Packaging & Shipping

Packaging Options

🪣 20 kg PE drum (explosion-proof, peroxide-dedicated)

🛢️ 180 / 200 kg galvanized steel drum (UN-certified, compatible lining)

🛢️➕ IBC: only for low-active grades with carrier pre-approval (Class 5.2 strictly controlled)

Shipping

🚢 UN 3103, Class 5.2, PG II - organic peroxide; DG channel mandatory

Sea: IMDG compliant, temperature-controlled space preferred; avoid deck exposure

⚠️🛡️ Safety & Handling

⚠️ Organic peroxide - violent decomposition/explosion if exposed to heat, impact, or friction.

⚠️ Flammable solution - flash point varies with diluent; vapor ignitable.

⚠️ Toxic/irritating - harmful if inhaled, ingested, or absorbed through skin; H331 (toxic if inhaled), H319 (serious eye irritation), suspected carcinogen/mutagen (H340/H350).

🛡️ Use explosion-proof ventilation, full face shield + organic vapor respirator, solvent-resistant gloves, anti-static clothing.

🛡️ Tert-butyl peroxyacetate must not come into contact with acids, reducing agents, accelerators, or heavy metals; pouring operations should be conducted in an explosion-proof area, and movements must be slow.