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Diss Factsheets

Toxicological information

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP-Guideline study with acceptable restrictions (Lack of data on test material.)
Justification for type of information:
refer to analogue justification provided in IUCLID section 13

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Version / remarks:
adopted in 1987
Deviations:
yes
Remarks:
(no data on test substance purity)
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method B.3 (Acute Toxicity (Dermal))
Version / remarks:
adopted in1992
Deviations:
yes
Remarks:
(no data on test substance purity)
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 870.1200 (Acute Dermal Toxicity)
Version / remarks:
adopted in 1998
Deviations:
yes
Remarks:
(no data on test substance purity)
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Reference substance name:
Decanoic acid, mixed esters with heptanoic acid, octanoic acid, pentaerythritol and valeric acid
EC Number:
275-118-0
EC Name:
Decanoic acid, mixed esters with heptanoic acid, octanoic acid, pentaerythritol and valeric acid
Cas Number:
71010-76-9
IUPAC Name:
71010-76-9

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Harlan
- Age at study initiation: 9 - 10 weeks
- Weight at study initiation: 247 - 253 g (males), 217 - 239 g (females)
- Housing: animals were group housed by sex upon receipt and individually housed upon assignment to study in compliance with the National Research Council " Guide for the Care and Use of Laboratory Animals".
- Diet: Harlan Teklad Rodent Diet, ad libitum
- Water: Tap water, ad libitum
- Acclimation period: at least 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18 - 22
- Humidity (%): 23 - 59
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES:
From: 9 Jan 2006
To: 23 Jan 2006

Administration / exposure

Type of coverage:
semiocclusive
Vehicle:
unchanged (no vehicle)
Details on dermal exposure:
TEST SITE
- Area of exposure: clipped skin of the dorsal area of the trunk
- Type of wrap if used: the treated skin site was covered with a gauze patch/dental dam, wrapped with an elastic bandage and secured with non-irritating tape.

REMOVAL OF TEST SUBSTANCE
- Washing: residual test substance was removed with water
- Time after start of exposure: 24 h
Duration of exposure:
24 h
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Clinical observations were recorded immediately after dosing and at approximately 1, 2.5 and 4 h after dosing and daily thereafter through Day 15. Animals were weighed prior to dosing on Day 1 and on Days 8 and 15.
- Necropsy of survivors performed: yes
- Other examinations performed: Mortality/morbidity (twice daily)
Statistics:
Body weights were summarized using descriptive statistics (mean and standard deviation).

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality occurred during the study period.
Clinical signs:
other: No clinical signs of toxicity were observed up to the end of the 14-day observation period.
Gross pathology:
Necropsy revealed no substance-related findings.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
CLP: not classified