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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
07 Dec - 23 Dec 1998
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-Guideline study.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
The Department of Health of the Government of the United Kingdom, UK
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
444-000-2
EC Name:
-
Cas Number:
647028-25-9
Molecular formula:
This is a UVCB so NA
IUPAC Name:
View of the authority with regard to the publication of the trade name / IUPAC name - Classified substances: E. Only the trade name until such time as the substance is added to Annex 1 of the directive (dangerous substances) EEC number: 444-000-2
Details on test material:
- Name of test material (as cited in study report): only trade name given
- Physical state: straw coloured liquid
- Analytical purity: no data
- Storage condition of test material: room temperature, in the dark
- Specific gravity: 0.975

Test animals

Species:
rat
Strain:
other: Sprague-Dawley CD (Crl:CD® (SD) IGS BR)
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Charles River Ltd, Margate, Kent, UK
- Age at study initiation: 8-12 weeks
- Weight at study initiation: 209-229 g (males) and 204-235 g (females)
- Fasting period before study: animals were fasted overnight prior to administration.
- Housing: animals were housed in groups of up to 3 per cage per sex in solid-floor polypropylene cages furnished with woodflakes.
- Diet: Rat and Mouse Expanded Diet No. 1 (Special Diets Services Limited, Witham, Essex, UK), ad libitum
- Water: tap water, ad libitum
- Acclimation period: at least 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19-21
- Humidity (%): 37-67
- Air changes (per hr): at least 15
- Photoperiod (hrs dark / hrs light): 12/12

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Details on oral exposure:
MAXIMUM DOSE VOLUME APPLIED: 2.06 mL/kg bw

CLASS METHOD (if applicable)
- Rationale for the selection of the starting dose: according to the author(s), the information available suggested a starting dose of 2000 mg/kg bw.
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
3
Control animals:
other: not required
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: animals were observed 30 min, 1, 2 and 4 h after dosing and subsequently daily for 14 days and individual body weights were determined prior to dosing and 7 and 14 days after treatment.
- Necropsy of survivors performed: yes
- Other examinations performed: clinical observations, body weight

Results and discussion

Effect levelsopen allclose all
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: LD50 according to experimental results
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: LD50 cut-off according to OECD 423
Mortality:
No mortality occurred during the study period.
Clinical signs:
No clinical signs of toxicity were observed up to the end of the 14-day observation period.
Body weight:
No effect on body weight was noted (see Table 1).
Gross pathology:
Necropsy revealed no substance-related findings.

Any other information on results incl. tables

Table 1. Individual body weights and weekly body weight changes.

Dose level mg/kg bw

Animal number and sex

Body weight (g) at Day

Body weight gain (g)

during week

0

7

14

1

2

2000

1-0 Female

204

237

249

33

12

2000

1-1 Female

235

262

280

27

18

2000

1-2 Female

225

265

284

40

19

2000

1-0 Male

217

300

352

83

52

2000

1-1 Male

209

284

318

75

34

2000

1-2 Male

229

297

339

68

42

 

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
CLP: not classified
DSD: not classified