ISOBUTYLENE-ISOPRENE COPOLYMER

Also known as: POLY(ISOBUTYLENE-CO-ISOPRENE), BUTYL RUBBER, ISOPRENE, POLYMER WITH 2-METHYLPROPENE, POLY(2-METHYL-1,3-BUTADIENE-CO-2-METHYL-1-PROPENE), 1,3-BUTADIENE, 2-METHYL-, POLYMER WITH 2-METHYL-1-PROPENE

Food additive

United States (FDA)

Approved

Technical function: MASTICATORY SUBSTANCE

CAS Number: 9010-85-9

172.615; 175.105; 175.125; 175.300; 175.320; 176.180; 177.1010; 177.1210; 177.1420; 177.2600; 178.1005; 178.3850

European Union (EFSA)

EU regulatory status has not yet been reviewed for this additive. See the FDA inventory for US regulatory details.

Sources: FDA Substances Added to Food, EFSA opinions, EU Regulation 1333/2008, IARC monographs

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