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Diss Factsheets

Administrative data

Description of key information

Acute oral toxicity was assessed in the rat using the Acute Toxic Class Method. The oral LD50 value of F-2200HM in Wistar rats was established to exceed 2000mg/kg body weight. Acute inhalation toxicity was waived as inhalation is unlikely due to the low vapour pressure of F-2200HM. Acute dermal toxicity was assessed in the rat. The acute dermal median lethal dose (LD50) of the test item in the Wistar strain rat was found to be greater than 2000mg/kg bodyweight. No deaths occured in the dermal and oral acute studies.

Key value for chemical safety assessment

Acute toxicity: via oral route

Link to relevant study records
Reference
Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18/05/1999-04/06/1999
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP comparable to OECD guideline
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Principles of method if other than guideline:
/
GLP compliance:
not specified
Remarks:
the report is not complete, front page and GLP compliance is missing
Test type:
acute toxic class method
Limit test:
no
Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Charles River Deutschland, Germany
- Age at study initiation: +/- 10 weeks old
- Weight at study initiation: body weight not reported, body weight variation did not exceed +/- 20% of the sex mean.
- Fasting period before study: food was withheld overnight (for a max. of 20 hours) prior to dosing until approximately 3-4 hours after administration of the test substance.
- Housing: group housing of 3 animals per sex per cage in labelled polycarbonate cages containing purified sawdust as bedding material (Woody SPF, supplied by B.M.I., Helmond, The Netherlands.
- Diet (e.g. ad libitum):ad libitum
- Water (e.g. ad libitum):ad libitum
- Acclimation period: 5 days before start of treatment under laboratory conditions

ENVIRONMENTAL CONDITIONS
- Temperature (°C):21°C
- Humidity (%):50%
- Air changes (per hr):15
- Photoperiod (hrs dark / hrs light):12hrs light/12hrs dark

Route of administration:
oral: gavage
Vehicle:
propylene glycol
Details on oral exposure:
VEHICLE
- Concentration in vehicle: 2g in 10ml
- Amount of vehicle (if gavage):10ml/kg bw
- Justification for choice of vehicle: the vehicle was slected based on a pretest performed at NOTOX

DOSAGE PREPARATION (if unusual): the formulations were prepared within 4 hours prior to dosing. Homogeneity was accomplished to a visually acceptable level. Adjustement was made for specific gravity of vehicle.

Doses:
2000mg/kg (10ml/kg)
No. of animals per sex per dose:
3
Control animals:
no
Details on study design:
- Duration of observation period following administration: 15 days
- Frequency of observations and weighing: at periodic intervals on the day of dosing (day 1) and once daily thereafter, until day 15. Body weight: day 1, 8 and 15.
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight, mortality/viability
Statistics:
no statistical analysis was performed
Preliminary study:
/
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
no mortality occured
Clinical signs:
other: Lethargy and uncoordinated movements were noted in all animals on day 1 and in addition hunched posture was noted in all females on day 2.
Gross pathology:
No abnormalities were found at macroscopic post mortem examination of the animals.
Other findings:
/
Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The oral LD50 value of F-2200HM in Wistar rats was established to exceed 2000mg/kg body weight.
Executive summary:

Assessment of acute oral toxicity with F-2200HM in the rat (Acute Toxic Class Method).

The study was carried out based on the guideline described in: EC Commission Directive 96/54/EC, Part B.1 tris 'Acute Oral, Acute Toxic Class method' and OECD no. 423, "Acute Oral Toxicity - Acute Toxic Class Method".

F-2200HM was administered by oral gavage to three Wistar rats of each sex at 2000mg/kg bw. Animals were subjected to daily observations and weekly determination of body weight. Macroscopic examination was performed after terminal sacrifice (day 15).

No mortality occured.

Lethargy and uncoordinated movements were noted in all animals on day 1 and in addition hunched posture was noted in all females on day 2.

The body weight gain shown by the animals over the study period was considered to be normal.

No abnormalities were found at macroscopic post mortem examination of the animals.

The oral LD50 value of F-2200HM in wistar rats was established to exceed 2000mg/kg bw.

Based on these results and according to the EC criteria for classification and labelling requirements for dangerous substances and preparations (Guidelines in Commision Directive 93/21/EEC), F-2200HM does not have to be classified and has no obligatory labelling requirement for oral toxicity.

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed
Dose descriptor:
LD50
Value:
2 000 mg/kg bw

Acute toxicity: via inhalation route

Endpoint conclusion
Endpoint conclusion:
no study available

Acute toxicity: via dermal route

Link to relevant study records
Reference
Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Study period:
01/02/2012-15/02/2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP comparable to OECD guideline
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Qualifier:
according to guideline
Guideline:
EU Method B.3 (Acute Toxicity (Dermal))
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.1200 (Acute Dermal Toxicity)
Principles of method if other than guideline:
/
GLP compliance:
yes (incl. QA statement)
Test type:
standard acute method
Limit test:
yes
Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source:Harlan Laboratories UK Ltd., Oxon, UK
- Age at study initiation: 8-12 weeks
- Weight at study initiation: at least 200g
- Fasting period before study:/
- Housing:In suspended solid-floor polypropylene cages furnished with woodflakes. Housed individually during the 24-hour exposure period and in groups of five by sex for the remainder of the study.
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum):ad libitum
- Acclimation period:5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19-25°C
- Humidity (%): 30-70%
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light): 12hours dark/12 hours light

IN-LIFE DATES: From: To:
Type of coverage:
semiocclusive
Vehicle:
DMSO
Details on dermal exposure:
TEST SITE
- Area of exposure:bakc an flanks
- % coverage:10%
- Type of wrap if used: surgical gauze

REMOVAL OF TEST SUBSTANCE
- Washing (if done):with cotton wool moistened with DMSO
- Time after start of exposure:24h

TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 2000mg/kg
-
- Constant volume or concentration used: yes


VEHICLE
- Amount(s) applied (volume or weight with unit): no data
- Concentration (if solution):no data
- Lot/batch no. (if required):no data
- Purity:no data
Duration of exposure:
24h
Doses:
2000mg/kg
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:1/2, 1, 2 and 4 hours after dosing and subsequently once daily for fourteen days
- Necropsy of survivors performed: yes
- Other examinations performed: body weight, signs of toxicity, irritation
Statistics:
/
Preliminary study:
/
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
no deaths
Clinical signs:
other: no signs of systemic toxicity
Gross pathology:
No abnormalities
Other findings:
Dermal reactions:
Very slight erythema was noted at the test sites of nine animals. Small superficial scattered scabs and/or hardened light brown coloured scabs were also notated at the test sites of eight animals. Haemorrhage of dermal capillaries and/or glossy skin was noted at the test sites of eight animals. Scab lifting to reveal glossy skin was noted at the test site of one animal. There were no signs of dermal irritation noted at the test site of one male.
Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: not specified
Conclusions:
The acute dermal median lethal dose (LD50) of the test item in the Wistar strain rat was found to be greater than 2000mg/kg bw
Executive summary:

Introduction: The study was performed to assess the acute dermal toxicity of the test item in the Wistar strain rat. The method was designed to be compatible with the following: OECD 402, B3 EC, EPA OPPTS 870.1200

Method: A group of ten animals (five males and 5 females) was given a single, 24 hour, semi-occluded dermal application of the test item to intact skin at a dose levelof 2000mg/kg bodyweight. Clinical signs and bidyweight development were monitored during the study. All animals were subjected to gross necropsy.

Mortality: there were no deaths

Clinical observations: no signs of systemic toxicity

Dermal irritation: Signs of dermal irritation noted were very slight erythema, haemmorrhage of dermal cappilaries, small superficail scattered scabs, hardened light brown coloured scabs, glossy skin and scab lifting to reveal glossy skin. There were no signs of dermal irritation noted at the test site of one male.

Bodyweight: Animals showed expected gains in bodyweight over the study period, except for one female which showed bodyweight loss during the first week but expected gain in bodyweight during the second week.

Necropsy: No abnormalities were noted

Conlusion: The acute dermal median lethal dose (LD50) of the test item in the Wistar strain rat was found to be greater than 2000mg/kg bw

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed
Dose descriptor:
LD50
Value:
2 000 mg/kg bw
Quality of whole database:
/

Additional information

/


Justification for selection of acute toxicity – oral endpoint
Only one study available

Justification for selection of acute toxicity – dermal endpoint
Only one study available

Justification for classification or non-classification

Not classified as the LD50 is > 2000mg/kg bw, while the limit for classification is <= 2000mg/kg bw.