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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March - April 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline- and GLP study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.2500 (Acute Dermal Irritation)
Qualifier:
according to guideline
Guideline:
other: Japan MAFF 8147
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Boron silicate
EC Number:
603-157-9
Cas Number:
12676-29-8
Molecular formula:
H7 B7 Si57 O128
IUPAC Name:
Boron silicate
Details on test material:
Name of test item: silicon boride oxide
Homogeneity: The test item was homogeneous by visual inspection.
Expiry date: January 01, 2036
Storage conditions: Room temperature, protect against humidity
Physical state/ color: Solid / white
pH-value: Approx. 2 (moistened with water)

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Charles River
- Age at study initiation: approx. 5 months
- Sex: Females
- Weight at study initiation: 3.38 - 3.80 kg
- Housing: Single
- Diet (e.g. ad libitum): STANRAB (P) SQC; SDS Special Diets Services, 67122 Altrip, Germany (ad libitum)
- Water (e.g. ad libitum): tap water ad libitum
- Acclimation period: at least 5 days before application

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20°C ± 3°C
- Humidity (%): 30 – 70%
- Air changes (per hr): approx. 10
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Type of coverage:
semiocclusive
Preparation of test site:
clipped
Vehicle:
water
Remarks:
The solid test item was minimally moistened with a suitable amount of highly deionized water to guarantee skin contact immediately before test-item application.
Controls:
no
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 g
Duration of treatment / exposure:
4 hours
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24h
Score:
0
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 48h
Score:
0
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 72h
Score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24h
Score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 48h
Score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 72h
Score:
0

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information