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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
28th October 1988
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 420 (Acute Oral Toxicity - Fixed Dose Method)
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3,7-dimethyloct-1-en-3-ol
EC Number:
242-358-2
EC Name:
3,7-dimethyloct-1-en-3-ol
Cas Number:
18479-49-7
Molecular formula:
C10H20O
IUPAC Name:
3,7-dimethyloct-1-en-3-ol
Test material form:
liquid

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
10 animals (5 male, 5 females)
Animal Breeder: DR . K . THOMAE GMBH, D-7950 BIBERACH, FRG
Acclimatization period: at least for 1 week
n. of aniumal per cage: 5
Animals were housed in fully air-conditioned rooms. Temperature range: 20 - 24 Celsius degrees. Relative humidity: 30 - 70%
There were no deviations from these ranges which influenced the results of the study.
Day/Night rhythm: 12 h/12 h (6 .00am-6pm/ 6pm -6 am)
Diet: Kliba-Labordiaet 343, klimgentalmuehle AG CH-4303 Kaiseraugst, Switzerland ad libitum
Drinking water: Tap water ad libitum
Animal weights: animal of comparable weight (+/- 20% of the mean weight)
Feed was not provided to the animals starting from 16 hours before administration but water was maintained available ad libitum.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Details on oral exposure:
Reason for the vehicle: aqueous formulation corresponds to the physiological medium
Form of the administratio: emulsion
Doses:
Dose (mg/kg): 2000
Concentration (g/100 ml - W/V): 20
Administration volume (ml/kg): 10
Time of the day for the administration: in the morning
No. of animals per sex per dose:
10 animals in total (5 male, 5 females)
Details on study design:
number of animal per cage: 5
animal identification: by cage cards
Type of cage: STAINLESS STEEL WIRE MESH CAGES,TYPE DK-III ( BECKER & CO .,CASTROP-RAUXEL . FRG )
N. of animals per dose: 5 male animals and 5 female animals

Signs and symptons: OF SIGNS AND SYMPTOMS SEVERAL TIMES ON THE DAY OF ADMINISTRATION, AT LEAST ONCE EACH WORKDAY . CHECK FOR MORIBUND AND DEAD ANIMALS TWICE EACH WORKDAY AND ONCE ON HOLIDAYS .

Pathology: WITHDRAWAL OF FOOD ABOUT 16 HOURS BEFORE SACRIFICE WITH C02 ; THEN NECROPSV WITH GROSS-PATHOLOGICAL EXAMINATION . NECROPSY OF ALL ANIMALS THAT DIE AS EARLY AS POSSIBLE .

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Remarks on result:
not determinable due to absence of adverse toxic effects
Mortality:
Dead animals after 14 days: 0
Mortality: 0 %

Applicant's summary and conclusion