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182141

Sigma-Aldrich

Polyisoprene, cis

97% cis-1,4

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About This Item

Linear Formula:
[CH2CH=C(CH3)CH2]n
CAS Number:
104389-31-3
MDL number:
MFCD00084438
UNSPSC Code:
12162002
PubChem Substance ID:
24850981
NACRES:
NA.23

form

slab/chunk

refractive index

n20/D 1.5191

transition temp

Tg −67 °C
Tm 36 °C

density

0.91 g/mL at 25 °C

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Application

Non-fugitive, reactive plasticizer, rheology modifier for lubricants, reactive binder.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

182141-VAR:
182141-BULK:
182141-100G-PW:
182141-250G:
182141-100G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Stefania Pegorin Braga et al.
Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 50(4), 1051-1062 (2019-08-24)
The use of rubber has increased over the years, leading to a series of environmental problems due to its indefinite decomposition time. Bioremediation employing microorganisms have drawn an increasing interest and originated several studies of microbial rubber degradation. Genome sequencing

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