Isoprene

Isoprene, or 2-methyl-1,3-butadiene, is a common organic compound with the formula CH2=C(CH3)−CH=CH2. In its pure form it is a colorless volatile liquid. Isoprene is an unsaturated hydrocarbon. It is produced by many plants and animals (including humans) and its polymers are the main component of natural rubber. C. G. Williams named the compound in 1860 after obtaining it from thermal decomposition (pyrolysis) of natural rubber; he correctly deduced the empirical formula C5H8.

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EU: European Union · 21 March 2024 English

Article 13(6) of EU Directive 2020/2184 on the quality of water intended for human consumption (recast) states that within 3 years of its entry into force on 12th January 2021 …

polyurethane (PU), polyphenylene sulphide (PPS), poly(isoprene) (PI), polytetrafluoroethylene (PTFE), poly(methyl


EU: European Union · 13 February 2024 English

The mission of the European Commission Atmospheric Observatory is to benchmark the impact of European policies and international conventions on air pollution and climate forcing at critical locations. At the …

3-butadiene, trans-2-pentene, 1-pentene, iso- hexane, isoprene, n-hexane, benzene, n-heptane, 2,2,4-trimethylpentane


EWG: Environmental Working Group · 17 January 2024

A = aquatic toxicity, C = carcinogenicity, D = reproductive toxicity (development), F = reproductive toxicity (fertility), L = reproductive toxicity (lactation [breast-feeding children]), M = mutagenic, Sr = sensitization …

778577-25-6 pyridylidene]hydrazino}benzoate A Isoprene 201-143-3 78-79-5 CMA Isoprocarb 220-114-6 2631-40-5


EWG: Environmental Working Group · 21 December 2023 English

Listed on the 14th Report on Carcinogens as a 1-CHLORO-2,3-EPOXYPROPANE Epichlorohydrin 106898 reasonably anticipated human carcinogen List of substances prohibited in cosmetic products from Annex II of the Regulation (EC) …

CAS Unacceptable reason 2023 update ISOPRENE (STABILIZED) Isoprene 78795 California Proposition 65 listed S. National Toxicology Program has ISOPRENE (STABILIZED) Isoprene 78795 identified this chemical as reasonably genetic ISOPRENE (STABILIZED) Isoprene 78795 defects' (GHS H341). ISOPRENE (STABILIZED) Isoprene 78795 carcinogenic to humans' IARC (Category ISOPRENE (STABILIZED) Isoprene 78795 2B, Volume 60, 71 1999) List Annex II of the Regulation (EC) No ISOPRENE (STABILIZED) Isoprene (stabilized); (2 Methyl1,3butadiene)


EWG: Environmental Working Group · 21 December 2023 English

The International Fragrance Association restricts this ingredient 2-ACETONAPHTHONE Methyl βnaphthyl ketone 93083 to a maximum concentration of 0.2% in leaveon products restriction limits in the finished product (using the IFRA …

safe HYDROGENATED STYRENE/ ISOPRENE COPOLYMER HYDROGENATED STYRENE/ ISOPRENE COPOLYMER 68648895 as used substance was safe ISOBUTYLENE/ISOPRENE COPOLYMER ISOBUTYLENE/ISOPRENE COPOLYMER 9010859 as used at the Review found this substance was safe ISOPRENE/PENTADIENE COPOLYMER ISOPRENE/PENTADIENE COPOLYMER as used at this substance was safe STYRENE/ISOPRENE COPOLYMER STYRENE/ISOPRENE COPOLYMER 25038328 as used at the


EWG: Environmental Working Group · 21 December 2023 English

The ASEAN Cosmetics Association has included this on the 'List 1-NAPHTHYLAMINE 1and 2Naphthylamines and their salts 134327 of Substances which Must Not Form Part of the Composition of Cosmetic Products' …

the Composition of Cosmetic Products' ISOPRENE (STABILIZED) isoprene (stabilized) 78795 Banned in Canadian Agency for Research on Cancer lists this ISOPRENE (STABILIZED) Isoprene 78795 chemical as a Possible Human Report on Carcinogens as a reasonably ISOPRENE (STABILIZED) Isoprene 78795 anticipated human carcinogen


WMO: World Meteorological Organisation · 6 December 2023

On the basis of ozone concentrations reported in rural monitoring networks, the highest concentrations in agricultural regions are in parts of the United States of America, Mediterranean Europe, Japan, the …

in ozone formation, with emissions of the BVOC isoprene from forests estimated to contribute to 15%–18% NOₓ from anthropogenic emissions and lightning, isoprene emissions, and atmospheric humidity (Wild et al


EWG: Environmental Working Group · 29 November 2023

1,3,5-Triazine, 2,4-dimethoxy-6-(1-pyrenyl)- 3271-22-5 Chemical on the California Department of Toxic Substances Control Candidate Chemical List 1,3,5-Tribromobenzene 626-39-1 Chemical on the California Department of Toxic Substances Control Candidate Chemical List 1,3,5-Trichlorobenzene …

2B Carcinogen: possibly carcinogenic to humans Isoprene 78-79-5 California Proposition 65 listed for cancer


INREA: National Institute for research in technical sciences for the environment and agriculture · 15 November 2023

Lim, H.-J., Altieri, K., et al.: Link between Isoprene and Secondary Organic Aerosol (SOA): Pyruvic acid


INREA: National Institute for research in technical sciences for the environment and agriculture · 14 November 2023

identified as 4- guanidino-butanoic acid with an isoprene modification. When the identification is confirmed (up to 7 h) 4-guanidino-butanoic acid with an Isoprene modification (tentative identification) [47] Spinach-


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