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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Deviations:
no
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-ethyl-2-(hydroxymethyl)propane-1,3-diol, propoxylated, reaction product with methyl 3-oxobutanoate
EC Number:
923-108-8
Cas Number:
1187576-42-6
IUPAC Name:
2-ethyl-2-(hydroxymethyl)propane-1,3-diol, propoxylated, reaction product with methyl 3-oxobutanoate

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Harlan GmbH, AD Horst, Netherlands
- Age at study initiation: 8 -1 2 weeks
- Weight at study initiation: 168 - 215 g
- Fasting period before study: 16 - 24
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
polyethylene glycol
Remarks:
PEG 400
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
6
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
other: LD50 cut-off
Effect level:
>= 5 000 mg/kg bw
Mortality:
no deaths
Clinical signs:
other: none
Gross pathology:
no findings
Other findings:
none

Any other information on results incl. tables

Dose (mg/kg bw) Toxicological results  Onset and duration of signs  Onset of mortality
(1st) 2000 0 / 3/ 3 --- --- 
(2nd) 2000 0 / 3/ 3 --- --- 

Toxicological results:

number of dead animals / number of animals with signs of toxicity after treatment / number of animals treated

Applicant's summary and conclusion

Executive summary:

A single oral dose of 2000 mg/kg bw was tolerated withouth mortalities, clinical signs, effects on weight gain and gross pathological findings. According to OECD guideline 423 the LD50 cut-off for the test item is 5000 mg/kg bw.