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EC number: 204-886-1 | CAS number: 128-44-9
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
![](https://echa.europa.eu./o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- Data is from experimental study report.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 402 (Acute Dermal Toxicity)
- Principles of method if other than guideline:
- This study was designed to determine the dermal LD50 of the test item (up to 2000 mg/kg) or to establish a non-lethal dose level of 2000 milligram of test item per kilogram of body weight.
- GLP compliance:
- yes
- Test type:
- standard acute method
- Limit test:
- yes
Test material
- Reference substance name:
- Methyl N-methylanthranilate
- EC Number:
- 201-642-6
- EC Name:
- Methyl N-methylanthranilate
- Cas Number:
- 85-91-6
- Molecular formula:
- C9H11NO2
- IUPAC Name:
- methyl 2-(methylamino)benzoate
- Test material form:
- other: liquid
- Details on test material:
- Name of test material (as cited in study report): Methyl-N-methyl anthranilate
Molecular formula: C₉H11NO2
Molecular weight : 165.19 g/mol
Smiles notation: c1(c(cccc1)NC)C(OC)=O
InChl : 1S/C9H11NO2/c110864357(8)9(11)122/h36,10H,12H3
Substance type: Organic
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Batch No.of test material: 0009
- Manufacturing Date: May; 2016
- Expiration date of the lot/batch: May; 2021
- Purity test date: No data available
- Consistency: Liquid
RADIOLABELLING INFORMATION (Not applicable)
- Radiochemical purity: N/A
- Specific activity: N/A
- Locations of the label: N/A
- Expiration date of radiochemical substance: N/A
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Ambient Temperature
- Stability under test conditions: No data available
- Solubility and stability of the test substance in the solvent/vehicle: No data available
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium: No data available
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: The test item was used undiluted.
- Preliminary purification step (if any):No data available
- Final dilution of a dissolved solid, stock liquid or gel: No data available
- Final preparation of a solid: No data available
FORM AS APPLIED IN THE TEST: No data available
OTHER SPECIFICS:
Safety Precautions : Safety precautions included use of protective clothing, gloves, masks and eye protection (glasses).
Test animals
- Species:
- rat
- Strain:
- Sprague-Dawley
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: National Institute of Biosciences, Pune.
- Females (if applicable) nulliparous and non-pregnant: No data available
- Age at study initiation: Young adult male and female rats aged between 8 – 12 weeks were used.
- Weight at study initiation: The weight range of approximately 217.8 to 251.8 grams at initiation of dosing.
Body weights at the start :
Male
Mean : 246.46 g (= 100 %)
Minimum : 238.5 g (- 3.23 %)
Maximum : 251.8 g (+ 2.17 %)
Total No. of animals : 5
Female
Mean : 221.36 g (= 100 %)
Minimum : 217.8 g (- 1.61 %)
Maximum : 224.3 g (+ 1.33 %)
Total No. of animals : 5
- Identification: Each rat was individually identified by the cage number.
- Fasting period before study: No data available
- Housing: The rats were individually housed in polycarbonate cages with paddy husk as bedding.
- Diet (e.g. ad libitum): Rodent feed supplied by the Nutrivet Life Sciences, Pune, was provided ad libitum from individual feeders.
- Water (e.g. ad libitum): Water was provided ad libitum from individual bottles attached to the cages. All water was from a local source and passed through the reverse osmosis membrane before use.
- Acclimation period: 5 days.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20.1 to 22.3 degree centigrade.
- Humidity (%): 54.8% to 58.8%.
- Air changes (per hr): Ten to fifteen air changes per hour.
- Photoperiod (hrs dark / hrs light): An artificial light and dark cycle of 12 hours each was provided to the room.
IN-LIFE DATES: 18-07-2017 to 02-08-2017
Administration / exposure
- Type of coverage:
- semiocclusive
- Vehicle:
- unchanged (no vehicle)
- Details on dermal exposure:
- TEST SITE
- Area of exposure: Trunk (dorsal surface and sides from scapular to pelvic area)
- % coverage: Approximately 10% of the body surface area.
- Type of wrap if used: Porous gauze dressing and non-irritating tape.
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Distilled water was used to remove residual test item.
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 2000 mg/kg bw
- Constant volume or concentration used: No data available
- For solids, paste formed: No data available
VEHICLE
- Amount(s) applied (volume or weight with unit): No data available
- Concentration (if solution): No data available
- Lot/batch no. (if required): No data available
- Purity: No data available - Duration of exposure:
- 24 hours
- Doses:
- A single dose of 2000 mg of the test item per kilogram of body weight was administered to ten rats (five males and five females).
- No. of animals per sex per dose:
- 10 (5/sex).
- Control animals:
- not specified
- Details on study design:
- - Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Twice daily
- Necropsy of survivors performed: Yes
- Other examinations performed:
Clinical Observations and General Appearance:
Animals were observed for clinical signs, mortality, until sacrifice.
Onset, duration and severity of any sign were recorded. The clinical signs and mortality observations were conducted at 10, 30, 60 minutes, 2, 4 and 6 hours on the day of dosing and once daily thereafter for 14 day. Daily observation was done as far as possible at the same time.
The observations were included general clinical signs, observations of eyes, mucous membranes, respiratory, circulatory system and behavior pattern.
Evaluation of Dermal Reaction:
Dermal reaction was observed daily for study period of 14 days.
Body weights:
Individual animal body weights were recorded pre-test (prior to administration of the test item), day 7 and at termination on day 14.
Gross Pathology:
Necropsy was performed on animals surviving at the end of the study. Macroscopic examination of all the orifices, cavities and tissues were made and the findings were recorded. All animals surviving the study period were sacrificed by the carbon dioxide asphyxiation technique (day 15).
Histopathology:
No gross abnormalities were observed in animals sacrificed terminally hence, no histopathology was performed. - Statistics:
- No data
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- Sex : Male
Group I -
Animal treated at the dose level of 2000 mg/kg body weight: All animals survived through the study period of 14 days.
Sex : Female
Group I -
Animal treated at the dose level of 2000 mg/kg body weight: All animals survived through the study period of 14 days. - Clinical signs:
- other: Sex : Male Group I - Animal treated at the dose level of 2000 mg/kg body weight did not result in any signs of toxicity during the study period of 14 days. Sex : Female Group I - Animal treated at the dose level of 2000 mg/kg body weight did not resul
- Gross pathology:
- Gross pathological examination did not reveal any abnormalities in animals from 2000 mg/kg dose group.
- Other findings:
- - Other observations:
Evaluation of Dermal Reaction
Sex : Male
Group I -
Animal treated at the dose level of 2000 mg/kg body weight did not result in any skin reaction during the study period of 14 days.
Sex : Female
Group I -
Animal treated at the dose level of 2000 mg/kg body weight did not result in any skin reaction during the study period of 14 days.
Any other information on results incl. tables
Table No. I
Summary of Clinical Signs of Toxicity and Mortality
Test System : Sprague Dawley Rat
Sex : Male
Group No. |
Dose mg/kg |
Observed Signs |
Total Number of Animals |
Animal Nos. |
Period of signs in days From - to |
Mortality |
I |
2000 |
No clinical signs observed |
5 |
1 - 5 |
Day 0 - Day 14 |
0/5 |
Sex : Female
Group No. |
Dose mg/kg |
Observed Signs |
Total Number of Animals |
Animal Nos. |
Period of signs in days From - to |
Mortality |
I |
2000 |
No clinical signs observed |
5 |
6 - 10 |
Day 0 - Day 14 |
0/5 |
Table No. II
Summary of Evaluation of Dermal Reaction
Test System : Sprague Dawley Rat
Sex : Male
Group No. |
Dose mg/kg |
Dermal Reaction |
Total Number of Animals |
Animal Nos. |
Period of signs in days From - to |
Mortality |
I |
2000 |
No dermal reaction observed |
5 |
1 - 5 |
Day 0 - Day 14 |
0/5 |
Sex : Female
Group No. |
Dose mg/kg |
Dermal Reaction |
Total Number of Animals |
Animal Nos. |
Period of signs in days From - to |
Mortality |
I |
2000 |
No dermal reaction observed |
5 |
6 - 10 |
Day 0 - Day 14 |
0/5 |
Table No.III
Mean Body Weight and Percent Body Weight Gain (g)
Test System : Sprague Dawley Rat
Sex : Male
Group No. |
Dose (mg/kg body weight) |
|
Body weight Day 0 |
Body weight Day 7 |
% body weight gain day 0-7 |
Body weight Day 14 |
% body weight gain day 7- 14 |
% body weight gain day 0- 14 |
I |
2000 |
Mean |
246.46 |
266.50 |
8.14 |
287.54 |
7.91 |
16.70 |
± SD |
5.29 |
4.67 |
1.08 |
3.15 |
1.48 |
1.82 |
Sex : Female
Group No. |
Dose (mg/kg body weight) |
|
Body weight Day 0 |
Body weight Day 7 |
% body weight gain day 0-7 |
Body weight Day 14 |
% body weight gain day 7- 14 |
% body weight gain day 0- 14 |
I |
2000 |
Mean |
221.36 |
231.84 |
4.74 |
242.62 |
4.65 |
9.61 |
± SD |
2.63 |
2.75 |
0.95 |
3.32 |
0.60 |
1.42 |
Table No.IV
Summary of Gross Pathological Findings
Test System : Sprague Dawley Rat
Sex : Male
Group No. |
Dose mg/kg |
Animal Numbers |
Animal Fate |
Gross Pathological Findings |
I |
2000 |
1 - 5 |
TS |
No abnormality detected |
Sex : Female
Group No. |
Dose mg/kg |
Animal Numbers |
Animal Fate |
Gross Pathological Findings |
I |
2000 |
6 - 10 |
TS |
No abnormality detected |
TS = Terminal Sacrifice
Applicant's summary and conclusion
- Interpretation of results:
- other: Not classified
- Conclusions:
- It was concluded that the acute dermal median lethal dose (LD50) of test chemical, when administered to male and female Sprague Dawley rats was found to be greater than 2000 mg/kg body weight. Thus, according to CLP criteria for acute toxicity rating for the chemicals, it infers that test chemical does not classify as an acute dermal toxicant.
- Executive summary:
The study now reported was designed and conducted to determine the acute dermal toxicity profile of test chemical in Sprague Dawley rats.
The test item was applied to shorn skin of 5 male and 5 female animals at 2000 mg/kg body weight. Administration of the test item at 2000 mg/kg did not result in any skin reaction at the site of application during the study period of 14 days. Administration of the test item did not result in any signs of toxicity and mortality during the study period of 14 days.
Animals exhibited normal body weight gain through the study period of 14 days.
Gross pathological examination did not reveal any abnormalities attributable to the treatment.
It was concluded that the acute dermal median lethal dose (LD50) of test chemical, when administered to male and female Sprague Dawley rats was found to be greater than 2000 mg/kg body weight. Thus, according to CLP criteria for acute toxicity rating for the chemicals, it infers that test chemical does not classify as an acute dermal toxicant.
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