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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.1100 (Acute Oral Toxicity)
Qualifier:
according to guideline
Guideline:
other: Japan MAFF Testing Guideline of 12 Nosan No. 8147 as this in line with OECD 423
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-Oxydiethanol, propoxylated
EC Number:
500-031-4
EC Name:
2,2'-Oxydiethanol, propoxylated
Cas Number:
9051-51-8
Molecular formula:
C4 H10 O3 (C3 H6 O) n, where n average >1 and n<4.5
IUPAC Name:
2,2'-Oxydiethanol, propoxylated
Details on test material:
- Physical state: liquid
- Purity: 100%

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
animals approx. 10 weeks; animals of comparable weight (172 -182 g).
single housing with free access to drinking water and food throughout the study.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
two groups of 3 females
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
no mortality
Clinical signs:
other: 6/6 female rats showed impaired and poor general state, dyspnoea, gasping, staggering, abdominal position, piloerection and ataxia at hour 1 until hour 5 after administration
Gross pathology:
no macroscopic pathological findings

Applicant's summary and conclusion

Executive summary:

Under the conditions of this study the median lethal dose of the test substance after oral administration was found to be greater than 2000 mg/kg bw in rats.