Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 200-543-5
CAS number: 62-56-6
In a dermal sensitization study with Thiourea (0.5-10%) male guinea pigs
(pirbright white) were tested using the method of Magnusson and Kligman.
Induction was performed intradermal. Penicillin G-Na was used as
In this study Thiourea is not a dermal sensitizer.
dermal sensitization study with 0.1 ml Thiourea (0.5–10 %) male guinea
pigs were tested using the method of Magnusson and Kligman. In this
study Thiourea is not a dermal sensitizer. Several case reports on human
exposure are available indication a low degree of sensitization. The
number of reports are not considered to represent a "substantial number"
as required for a classification under CLP. In addition it is not clear
whether or not they are attributable to Thiourea derivatives. In several
cases thiourea derivatives and not thiourea as such were reported to
cause contact dermatitis.
Thiourea is not classified based on a negative Guinea Pig Maximisation
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
Welcome to the ECHA website. This site is not fully supported in Internet Explorer 7 (and earlier versions). Please upgrade your Internet Explorer to a newer version.
Do not show this message again