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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Dermal absorption

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Administrative data

Endpoint:
dermal absorption in vivo
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Referred in a recognized source of peer reviewed scientific data on chemicals

Data source

Reference
Reference Type:
publication
Title:
Dermal Absorption of Organic Chemical Vapors in Rats and Humans.
Author:
McDougal et al.
Year:
1990
Bibliographic source:
Fundamental and Applied Toxicology, Vol. 14: 299 -308.

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: skin absorption study
Principles of method if other than guideline:
Study investigated: the dermal penetration of styrene vapour via rats skin (in vivo study).
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Styrene
EC Number:
202-851-5
EC Name:
Styrene
Cas Number:
100-42-5
Molecular formula:
C8H8
IUPAC Name:
ethenylbenzene
Test material form:
other: vapour
Radiolabelling:
yes

Results and discussion

Any other information on results incl. tables

Study observed:

Skin permeability constant: 1.75 cm/hr

Skin uptake of styrene in a mixed exposure (through the respiratory tract and through the skin): 9.4% of the total uptake.

Applicant's summary and conclusion

Conclusions:
Skin uptake of vapour styrene in rats was reported to be low.