Polyisoprene, cis

CAS 104389-31-3[CH2CH=C(CH3)CH2]nPolymer Science

Polyisoprene, cis (CAS: 104389-31-3) is a hydrophobic polymer characterised by its flexible, elastic properties. Its chemical structure, [CH2CH=C(CH3)CH2]n, lends itself to specialised applications. It functions as a non-fugitive, reactive plasticizer, a rheology modifier for lubricants, and a reactive binder. Tech Serve Solutions supplies this polymer for advanced material science and industrial applications.

Synonyms: [CH2CH=C(CH3)CH2]n

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Polyisoprene, cis ([CH2CH=C(CH3)CH2]n) — chemical structure, CAS 104389-31-3; Materials Science, fine chemical supplied by Tech Serve Solutions

DienesHydrophobic PolymersMaterials SciencePolymer SciencePolymers

01 /Applications

Reactive Plasticizer

This cis-polyisoprene acts as a non-fugitive, reactive plasticizer, improving the flexibility and processing characteristics of polymers and resins without migrating out over time.

Rheology Modifier

It serves as an effective rheology modifier for lubricants, enhancing their flow properties and performance under various conditions. Its polymer chain structure contributes to desirable viscosity characteristics.

Reactive Binder

The reactive nature of cis-polyisoprene allows it to function as a binder in various formulations, creating strong cohesive properties within composite materials or coatings.

02 /Properties

Linear formula	[CH2CH=C(CH3)CH2]n
Density	0.92 g/mL at 25 °C
Viscosity	350 poise(37 °C, Brookfield)(lit.)
Application	Non-fugitive, reactive plasticizer, rheology modifier for lubricants, reactive binder.

03 /Safety & handling

Protective equipment	Eyeshields, Gloves
Flash point	>113 °C / >235.4 °F
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

104389-31-3

MDL number

MFCD00084438

PubChem substance

24867001

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Polyisoprene, cis used for?

Polyisoprene, cis is used as a non-fugitive, reactive plasticizer, a rheology modifier for lubricants, and a reactive binder in various industrial applications.

What are the CAS number and formula for Polyisoprene, cis?

The CAS number is 104389-31-3, and its linear formula is [CH2CH=C(CH3)CH2]n.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Polyisoprene, cis primarily as a technical or research grade material. We do not represent it as USP, BP, or EP grade.

What safety precautions should be taken when handling Polyisoprene, cis?

When handling Polyisoprene, cis, it is recommended to wear eyeshields and gloves. The material has a flash point above 113 °C (235.4 °F). Consult the Safety Data Sheet for full handling instructions.

How is Polyisoprene, cis shipped or exported?

Tech Serve Solutions professionally packs and exports chemical products globally, adhering to all relevant shipping regulations for safe transportation.