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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: other routes
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
The study was conducted according to an internal BASF method.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-tert-butylbenzaldehyde
EC Number:
213-367-9
EC Name:
4-tert-butylbenzaldehyde
Cas Number:
939-97-9
Molecular formula:
C11H14O
IUPAC Name:
4-tert-butylbenzaldehyde
Details on test material:
- Name of test material (as cited in study report): p-Tertbutyl-benzaldehyde
- Analytical purity: 98 %

Test animals

Species:
mouse
Strain:
NMRI
Sex:
male/female

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
other: aqueous CMC preparation with one or two drops Cremophor EL
Details on exposure:
Concentration of the test material in vehicle:
- 2 %
-Amount of test material applied per gavage:
- 10 ml/kg bw
Doses:
200 mg/kg bw
No. of animals per sex per dose:
5 animals per sex per dose
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of weighing: prior to application of the test material and on days 3, 7 and 13.
- Necropsy of survivors performed: yes. Deceased animals and those sacrificed at the end of the observation period (on day 14 after dosing) were necropsied.

Results and discussion

Mortality:
males: 2/5 animals died after 1 and 2 hours
females: 2/5 animals died after 1 and 4 hours
Clinical signs:
Symptoms:
Dyspnea, apathy, staggering, spastic movement , ruffled fur, bad general condition
Body weight:
Body weight males/females (g)
before start: 22/22
after 2-4 d: 22/23
after 7 d: 26/24
after 9-13 d: 29/26
Gross pathology:
Dead animals:
no substance-related depositions or agglutinations.

Sacrificed animals:
1 animal with intraabdominal agglutinations

Applicant's summary and conclusion