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Fragrance Chemicals & Health
This topic explore how air fresheners, scented cleaning products, scented laundry detergents, and perfumes may affect health.
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Impact of air fresheners and deodorizers on the indoor total volatile organic compounds [Kokuritsu Iyakuhin Shokuhin Eisei Kenkyusho Hokoku. 2007] - PubMed - NCBI

In this study, we investigated the emission rate of VOCs and carbonyl compounds for 30 air fresheners and deodorizers by the standard small chamber test method (JIS A 1901). The total VOC (TVOC) emission rates of these household products ranged from the undetectable level (< 20 microg/unit/h) to 6,900 microg/unit/h. The mean TVOC emission rate of the air fresheners for indoor use (16 products) was 1,400 microg/unit/ h and that of the deodorizers for indoor use (6 products) was 58 microg/unit/h, indicating that the fragrances in the products account for the major part of the TVOC emissions. Based on the emission rates, the impacts on the indoor TVOC were estimated by the simple model with a volume of 17.4 m3 and a ventilation frequency of 0.5 times/h. The mean of the TVOC increment for the indoor air fresheners was 170 microg/m3, accounting for 40% of the current provisional target value, 400 microg/m3. These results suggest that daily use of household products can significantly influence the indoor air quality.
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ScienceDirect.com - Environmental Impact Assessment Review - Fragranced consumer products: Chemicals emitted, ingredients unlisted

"We investigated volatile organic compounds (VOCs) emitted from 25 common fragranced consumer products—laundry products, personal care products, cleaning supplies, and air fresheners—using headspace analysis with gas chromatography/mass spectrometry (GC/MS). Our analysis found 133 different VOCs emitted from the 25 products, with an average of 17 VOCs per product. Of these 133 VOCs, 24 are classified as toxic or hazardous under U.S. federal laws, and each product emitted at least one of these compounds."

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Erin Grills's curator insight, March 6, 2013 2:10 PM

This article does not show an advancement made to better chemical engineering, but i plan to use this to show possible advancements. I think I am going to end my presentation with new advancements that can be made, and I believe that this will be a good topic to show. Chemcial engineers would be the people who work with the production factories to cut down on the toxic ingredients and create a cleaner, safer product.

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Effect of acute exposure to a complex fragrance on lexical decision performance [Chem Senses. 2009] - PubMed - NCBI

"Exposure to the fragrance did not affect high-frequency word recognition. However, there was an order of administration effect for low-frequency word recognition accuracy... The presence of fragrance in the second session apparently served as a distraction that impaired lexical task performance accuracy. The introduction of fragrances into buildings may not necessarily facilitate all aspects of work performance as anticipated."

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Cleaning products and air fresheners: emissions and resulting concentrations of glycol ethers and terpenoids. [Indoor Air. 2006] - PubMed - NCBI

While effective cleaning can improve the healthfulness of indoor environments, this work shows that use of some consumer cleaning agents can yield high levels of volatile organic compounds, including glycol ethers--which are regulated toxic air contaminants--and terpenes that can react with ozone to form a variety of secondary pollutants including formaldehyde and ultrafine particles.
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Can aromatherapy produce harmful indoor air pollutants?

Spas that offer massage therapy using fragrant essential oils, called aromatherapy, may have elevated levels of potentially harmful indoor air pollutants such as volatile organic compounds (VOCs) and ultrafine particles, according to a new article.
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Fragranced consumer products and undisclosed ingredients

"First, no law in the U.S. requires disclosure of all chemical ingredients in consumer products or in fragrances. Second, in these six products, nearly 100 volatile organic compounds (VOCs) were identified, but none of the VOCs were listed on any product label, and one was listed on one MSDS. Third, of these identified VOCs, ten are regulated as toxic or hazardous under federal laws, with three (acetaldehyde, chloromethane, and 1,4-dioxane) classified as Hazardous Air Pollutants (HAPs). Results point to a need for improved understanding of product constituents and mechanisms between exposures and effects."

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