How to order United Initiators TAPEHC?

For bulk orders of United Initiators TAPEHC, please contact our sales team via the contact page (https://www.yunno.net/en/contact) or email us at huyu@yunno.net, or call/WhatsApp +86 137 7522 5407. We provide cold-chain logistics and technical support.

Do you provide technical data sheets (TDS) and safety data sheets (MSDS) for United Initiators TAPEHC?

Yes, Yunno Chemical provides full technical data sheets (TDS), certificates of analysis (COA), and GHS-compliant safety data sheets (MSDS) for qualified customers. Please contact our technical support team for more information.

United Initiators TAPEHC (2-Ethylhexyl) Carbonate Peroxide, p-Pentyl Ester 70833-40-8 (CAS 70833-40-8)

Product Description:

TAPEHC is a colorless liquid whose main component is technically pure tert-amylperoxy-(2-ethylhexyl) carbonate.
It is a thermally stable monoperoxide used as an initiator (radical source) in the curing of polymers (SM) and unsaturated polyester resins (UP), as well as in the cross-linking of polymers (EVA).

Technical Data :

Appearance: Colorless
Peroxide Content: approx. 98% w/w
Active oxygen: approx. 6.14% w/w
No demineralizer
Density (20°C): approx. 0.92 g/cm³
Hazen: up to 30 Hz
Viscosity at 20°C: approx. 6.6 mPa·s
Critical temperature (SADT): > 50°C
Refrigerated stability: Liquid stored at temperatures below -30°C
Recommended storage temperature: below 25°C
Storage stability (concentration) after delivery date: 6 months
This product complies with ElektroG (EU Directives: RoHS 2002/95/EG, WEEE 2002/96/EG)
Half-life: 10 hours/1 hour/1 minute (0.1 M in isododecane): 95/113/150°C

Applications :

STYRENE: Used as an initiator for bulk or suspension polymerization of styrene (SM). Typically used in combination with dibenzoyl peroxide (BPO) for suspension polymerization or with tert-butylperoxy-2-ethylhexanoate (TBPEH) for bulk polymerization.
Temperature Range: 100–140°C.
Usage Level: 0.02–0.1% of the supply. Advantages: Significantly reduces the residual monomer content in the polymer; no aromatic decomposition products.

Standard packaging : 25 kg (55.12 lb) polyethylene drums Disclaimer : This information and further technical advice reflect our current knowledge and experience based on internal testing with local raw materials and are intended to inform you about our products and their applications.This information should not be construed as a guarantee of specific performance characteristics of the described product or its suitability for a particular application, nor does it provide complete instructions for use. This information does not provide any warranty regarding the product or its shelf life characteristics, nor does it assume any legal liability for the user’s application, including with respect to existing third-party intellectual property rights, particularly patent rights.We reserve the right to make any changes based on technical progress or further developments. The use and application of our products based on our technical recommendations are beyond our control and are the sole responsibility of the user. The user is not relieved of the obligation to conduct careful inspection and testing to verify that the purchased goods are suitable for the intended application.

United Initiators TAPEHC (2-Ethylhexyl) Carbonate Peroxide, p-Pentyl Ester 70833-40-8

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