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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Sensitisation data (human)

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Administrative data

Endpoint:
sensitisation data (humans)
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Only short abstract available (analytical purity of test substance not specified).

Data source

Reference
Reference Type:
other: Study summary/letter
Title:
Unnamed
Year:
1959

Materials and methods

Type of sensitisation studied:
skin
Study type:
study with volunteers
Principles of method if other than guideline:
Repeated human patch test with 50 volunteers, 72h induction, after 7 days 72h challenge.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Esterification products of D-glucitol with C8 – C16 (even-numbered) and C18 unsaturated fatty acids
EC Number:
931-434-7
Cas Number:
1338-39-2
Molecular formula:
C18H34O6
IUPAC Name:
Esterification products of D-glucitol with C8 – C16 (even-numbered) and C18 unsaturated fatty acids
Constituent 2
Reference substance name:
931-434-7
EC Number:
931-434-7
IUPAC Name:
931-434-7
Details on test material:
- Name of test material (as cited in study report): sorbitan monolaurate
- Analytical purity: not specified
- Lot/batch No.: 342, CEL #71287

Note: Due to analytical test results the substance is defined as UVCB. For further details see IUCLID Chapter 1.2.

Method

Type of population:
general
Ethical approval:
not specified
Subjects:
- Number of subjects exposed: 50
Controls:
no data
Route of administration:
dermal
Details on study design:
TYPE OF TEST(S) USED: patch test (epicutaneous test)

ADMINISTRATION
- Type of application: occlusive
- Description of patch: one inch square patch of absorbent cotton twill sealed onto the skin with an elastic adhesive 2 inch square patch
- Vehicle / solvent: none
- Concentrations: undiluted
- Volume applied: no data
- other: 72 h induction, after 7 days 72 h of challenge in the same manner as used for induction procedure and on the same area of the skin

Results and discussion

Results of examinations:
NO. OF PERSONS WITH/OUT REACTIONS COMPARED TO STUDY POPULATION
- Number of subjects with positive reactions: 0
- Number of subjects with negative reactions: 50
- Number of subjects with equivocal reactions: 0
- Number of subjects with irritating reactions: 0

Applicant's summary and conclusion

Conclusions:
Under the conditions of this study, the test substance is not sensitising to human skin.