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Di(2-propylheptyl) phthalate [MAK Value Documentation, 2015]


Hartwig, A; MAK Commission; et al; Arand, Michael (2017). Di(2-propylheptyl) phthalate [MAK Value Documentation, 2015]. The MAK Collection for Occupational Health and Safety, 2(2):337-356.

Abstract

The German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has evaluated di(2‐propylheptyl) phthalate [ 53306‐54‐0] considering all toxicological endpoints. Available publications and unpublished study reports are described in detail. Critical effect is the peroxisome proliferating activity in the liver which has also been observed with other phthalates. Di(2‐propylheptyl) phthalate is less potent as a peroxisome proliferator than the structurally very similar di(2‐ethylhexyl) phthalate, which is a rat liver carcinogen. No carcinogenicity study has been performed on di(2‐propylheptyl) phthalate but due to the similarity to di(2‐ethylhexyl) phthalate, liver carcinogenicity cannot be excluded. Therefore, di(2‐propylheptyl) phthalate is classified in Category 3B for suspected carcinogens. Di(2‐propylheptyl) phthalate is not genotoxic in vitro; in vivo data are missing. Only a 5‐day inhalation study has been performed. Possible long‐term effects on larynx, trachea or goblet cell hyperplasia which are target organs of di(2‐propylheptyl) phthalate and of other phthalates cannot be evaluated based on this study. No maximum concentration at the workplace (MAK value) can be derived. Di(2‐propylheptyl) phthalate shows no developmental toxicity in rats up to an oral dose of 1000 mg/kg body weight and day which is toxic to the dams. Skin contact is not expected to contribute significantly to systemic toxicity. Limited data show no sensitization.

Abstract

The German Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has evaluated di(2‐propylheptyl) phthalate [ 53306‐54‐0] considering all toxicological endpoints. Available publications and unpublished study reports are described in detail. Critical effect is the peroxisome proliferating activity in the liver which has also been observed with other phthalates. Di(2‐propylheptyl) phthalate is less potent as a peroxisome proliferator than the structurally very similar di(2‐ethylhexyl) phthalate, which is a rat liver carcinogen. No carcinogenicity study has been performed on di(2‐propylheptyl) phthalate but due to the similarity to di(2‐ethylhexyl) phthalate, liver carcinogenicity cannot be excluded. Therefore, di(2‐propylheptyl) phthalate is classified in Category 3B for suspected carcinogens. Di(2‐propylheptyl) phthalate is not genotoxic in vitro; in vivo data are missing. Only a 5‐day inhalation study has been performed. Possible long‐term effects on larynx, trachea or goblet cell hyperplasia which are target organs of di(2‐propylheptyl) phthalate and of other phthalates cannot be evaluated based on this study. No maximum concentration at the workplace (MAK value) can be derived. Di(2‐propylheptyl) phthalate shows no developmental toxicity in rats up to an oral dose of 1000 mg/kg body weight and day which is toxic to the dams. Skin contact is not expected to contribute significantly to systemic toxicity. Limited data show no sensitization.

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Additional indexing

Item Type:Journal Article, not_refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Pharmacology and Toxicology
07 Faculty of Science > Institute of Pharmacology and Toxicology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:29 April 2017
Deposited On:17 Oct 2019 12:07
Last Modified:17 Oct 2019 12:07
Publisher:Wiley-VCH Verlag
ISSN:2509-2383
ISBN:9783527600410
OA Status:Closed
Publisher DOI:https://doi.org/10.1002/3527600418.mb5330654e5817

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