Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study with acceptable restrictions
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Principles of method if other than guideline:
Internal BASF-method was used, which was in large part equivalent to methods described in OECD guideline 401
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Pentane-1,5-diol
EC Number:
203-854-4
EC Name:
Pentane-1,5-diol
Cas Number:
111-29-5
Molecular formula:
C5H12O2
IUPAC Name:
pentane-1,5-diol
Details on test material:
- Name of test material (as cited in study report): Pentandiol-1,5 techn.
- Physical state: liquid

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Gassner
- Weight at study initiation: mean weight 205 g (male), 165 g (female)

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Details on oral exposure:
VEHICLE
- Concentration in vehicle: 10%, 46.4%, 68.1%, 100%
- Amount of vehicle (if gavage): 6.8, 10.0 ml/kg bw

MAXIMUM DOSE VOLUME APPLIED: 10.0 ml/kg bw
Doses:
1000, 4640, 6810, 10000
No. of animals per sex per dose:
1000 - 4640 mg/kg bw: 2 female
6810 - 10000 mg/kg bw: 5 male and 5 female
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: prior to study and at the end of study
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
ca. 10 000 mg/kg bw
Mortality:
10000 mg/kg bw:
- male: 3/5 deaths within 24 h
- female: 0/5 deaths

6810 mg/kg bw:
- male: 0/5 deaths
- female: 1/5 deaths within 24 h

1000 - 4640 mg/kg bw: no deaths
Clinical signs:
other: - reduced state and deaths observed on first 24 h - staggering, paresis, spastic gait, salivation, exsiccosis
Gross pathology:
Heart: acute dilatation, congestive hyperemia
Stomach: : bloody olcerations
Gut: diarrhotic content, hematonic content
Bladder: abnormal content

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: EU