Evaluation of new scientific evidence concerning DINP and DIDP Sri Lanka

  • Evaluation of new scientific evidence concerning DINP and DIDP Sri Lanka
  • Evaluation of new scientific evidence concerning DINP and DIDP Sri Lanka
  • Evaluation of new scientific evidence concerning DINP and DIDP Sri Lanka
  • Can EPA conduct a risk evaluation of DIDP & DINP?
  • The risk evaluations of DIDP and DINP are the first two manufacturer-requested risk evaluations EPA has conducted. Under TSCA, manufacturers can request that EPA conduct risk evaluations on chemicals they manufacture. EPA received and granted manufacturer requests for risk evaluations of DIDP and DINP in 2019. DIDP
  • Did ECHA re-evaluate DINP & DIDP?
  • When ECHA initiated its in-depth re-evaluation of DINP and DIDP in 2010 there was a general consensus that the liver carcinogenicity seen in rodents in response to exposure to DEHP, DINP and DIDP was of little or unclear relevance to humans. Therefore, ECHA’s draft review report of 7 May 2012 (ECHA 2012) did not review carcinogenicity in detail.
  • Are DIDP and DINP TSCA safe?
  • There are other uses of DIDP and DINP that are generally excluded from TSCA, such as personal care products, cosmetics, and food contact materials, and EPA did not evaluate risk associated with these uses. The risk evaluations of DIDP and DINP are the first two manufacturer-requested risk evaluations EPA has conducted.
  • What is a low concentration of DIDP and DINP?
  • The data shown in the table represent those samples where the concentration of DIDP and DINP was above 1%. Low concentrations of DIDP (typically below 1%) are indicated for many samples with concentrations of DINP in the range of 30-50%.
  • Is harmonised classification required for DINP & DIDP?
  • 4.3.1 Classification and labelling in Annex VI of Regulation (EC) No 1272/2008 (CLP Regulation) There is no harmonised classification for DINP and DIDP according to Annex VI of Regulation (EC) No 1272/2008 (CLP Regulation). The EU Risk Assessments for DINP and DIDP (EC 2003a,b) had concluded that no classification was required for any endpoint.
  • What is a normal dose of DIDP compared to DINP?
  • It is apparent from Table 4.85 that most studies have reported medianadult exposure to DINP of around 1 µg/kg bw/daywith 95thpercentileintakes being generally less than 10 µg/kg/day. There is very few biomonitoring data for DIDP. Exposures to DIDP would appear to be smaller than for DINP.

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