Abstract:
:Phosphorus-based compounds are used as plasticizers in the manufacture of many products found in the indoor environment. Here we quantitatively investigated dermal exposure to phosphorus-based compounds contained in 45 nail polishes purchased in Japan. The alternative plasticizer triphenyl phosphate (TPhP) was detected in some samples of the nail polishes made in the USA (concentration, 1.1-1.8 wt%). The potential dermal exposure rates for TPhP, estimated using ConsExpo (version 5.0; Dutch National Institute for Public Health and the Environment), were in the range 200 (5%ile)-1700 (50%ile)-5000 (95%ile) ng kg-bw-1 day-1, which is more than 1400 times the reported values for exposure via dust ingestion and inhalation. Thus, dermal exposure via nail polish may be a major route of exposure to TPhP. The margin of exposure range for TPhP was 3.6 × 105-4.1 × 104-1.4 × 104. For comparison, the potential dermal exposure rate range for the conventional plasticizer dibutyl phthalate and the alternative plasticizer acetyl tributyl citrate was 360-3500-14,000 and 430-4100-17,000 ng kg-bw-1 day-1, respectively, and the margin of exposure range was 4.1 × 103-4.2 × 102-1.1 × 102 and 2.3 × 105-2.4 × 104-5.9 × 103, respectively.
journal_name
Chemospherejournal_title
Chemosphereauthors
Tokumura M,Seo M,Wang Q,Miyake Y,Amagai T,Makino Mdoi
10.1016/j.chemosphere.2019.03.108subject
Has Abstractpub_date
2019-07-01 00:00:00pages
316-320eissn
0045-6535issn
1879-1298pii
S0045-6535(19)30550-8journal_volume
226pub_type
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