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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Toxicological information

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 1986
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1986
Report date:
1986

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
yes
Test type:
acute toxic class method
Limit test:
no

Test material

Constituent 1
Reference substance name:
Alcohols, C16-20-branched
EC Number:
274-758-8
EC Name:
Alcohols, C16-20-branched
Cas Number:
70693-04-8
Molecular formula:
not applicable, UVCB
IUPAC Name:
Alcohols, C16-20-branched
Details on test material:
- Name of test material (as cited in study report): Isofol 18
- Lot/batch No.: 12046
- specific gravity: 0.846 g/l
no more details mentioned

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Lippische Versuchstierzucht, Extertal, Germany
- Age at study initiation: 40 - 50 days
- Weight at study initiation: 150 - 168 g
- Fasting period before study: 15 - 16 hours
- Housing: single in Macrolon cages (type III)
- Diet : ALTROMIN 1324 (ad libitum)
- Water: tap water (ad libitum)

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 21° ± 1
- Humidity (%): 55 ± 5
- Air changes (per hr): not mentioned
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES: From: October 1986 To: October 1986

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Details on oral exposure:
MAXIMUM DOSE VOLUME APPLIED: 46.4 ml/kg bw
single application by gavage
Doses:
32402 and 39255 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: daily
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, bodyweight and fodder consumption were determined
Statistics:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 39 255 mg/kg bw
Based on:
test mat.
Mortality:
Time of death: none
Clinical signs:
other: none incompatibility reaction was observed
Gross pathology:
Dissection of surviving animals at the end of the experiment observed none pathology findings.

Any other information on results incl. tables

Table 1: Number of animals dead [and with evident toxicity] [and time range within which mortality occurred]

 

Dose
(mg/kg bw)

Mortality (# dead/total)

Time range of deaths

Number with evident toxicity (#/total)

Male

Female

Combined

Male

Female

Combined

32402

0/5

0/5

0/10

-

0/5

0/5

0/10

39255

0/5

0/5

0/10

-

0/5

0/5

0/10

 

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Based on the results of this study alcohols 16-20, branched are practically nontoxic after oral administration to rats.
Executive summary:

Based on the results of this study alcohols 16-20, branched are practically nontoxic after oral administration to rats.