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Diss Factsheets

Administrative data

Description of key information

PETMP is not irritating to skin or eyes.

Key value for chemical safety assessment

Skin irritation / corrosion

Link to relevant study records
Reference
Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
30 July 2002 - 4 August 2002
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes
Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: CEGAV, Saint Mars d'Egrenne, France.
- Age at study initiation: 2 to 4 months
- Weight at study initiation: 2.4 ± 0.1 kg.
- Housing: individually in polystyrene cages
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: at least 5 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18 ± 3°C
- Humidity (%): 30 to 70%
- Air changes (per hr): 12
- Photoperiod (hrs dark / hrs light): 12/12


IN-LIFE DATES: From: 2002-07-30 To: 2002-08-04
Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied: 0.5 mL
- Concentration: undiluted
Duration of treatment / exposure:
3 min / 4 h (left / right flank)
Observation period:
5 days
Number of animals:
1+2
Details on study design:
TEST SITE
- Area of exposure: no data
- % coverage: no data
- Type of wrap if used: adhesive hypoallergenic aerated semi-occlusive dressing and a restraining bandage.


REMOVAL OF TEST SUBSTANCE
- Washing (if done): test item was wiped off by means of a dry cotton pad
- Time after start of exposure: 3 min / 4 h (left/right flank)


SCORING SYSTEM:
0-4, as laid down in OECD 404
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0.3
Max. score:
3
Reversibility:
fully reversible within: 5 days
Remarks on result:
other: 3 min exposure
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
other: 3-min exposure
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
other: 4-h exposure
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
other: 4-h exposure
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
other: 4-h exposure
Irritation parameter:
edema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
other: 4-h exposure
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
other: 4-h exposure
Irritation parameter:
edema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
other: 4-h exposure
Interpretation of results:
GHS criteria not met
Conclusions:
PETMP is not irritating to skin.
Executive summary:

The potential of the test item PETMP to induce skin irritation was evaluated in rabbits according to OECD (No. 404, 17th July 1992) and EC (92/69/EEC, B.4, 31st July 1992) guidelines. The study was conducted in compliance with the principles of Good Laboratory Practice Regulations.

In the first instance, the test item was applied for periods of 3 minutes and 4 hours to a single male New Zealand White rabbit. Since the test item was not severely irritant on this first animal, it was then applied for 4 hours to two other animals. A single dose of 0.5 mL of the undiluted test item was applied to the closely-clipped skin of one flank. The test item was held in contact with the skin by means of a semi-occlusive dressing. Cutaneous reactions were observed approximately 1 hour, 24, 48 and 72 hours after removal of the dressing and then daily until reversibility of cutaneous reactions.The mean values of the scores for erythema and oedema were calculated for each animal.

After a 3-minute exposure (one animal): A very slight erythema was noted, on day 4 only. No other cutaneous reactions were observed.

After a 4-hour exposure (three animals): No cutaneous reactions were noted.

Mean scores over 24, 48 and 72 hours for each animal were 0.0, 0.0 and 0.0 for erythema and oedema.

Under our experimental conditions, the test item PETMP is non-irritant when appliedtopically to rabbits.

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed (not irritating)

Eye irritation

Link to relevant study records
Reference
Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2-5 August 2002
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes
Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: CEGAV, Saint Mars d'Egrenne, France.
- Age at study initiation: 2 to 4 months
- Weight at study initiation: 2.5 ± 0.1 kg.
- Housing: individually in polystyrene cages
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: at least 5 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18 ± 3°C
- Humidity (%): 30 to 70%
- Air changes (per hr): 12
- Photoperiod (hrs dark / hrs light): 12/12


IN-LIFE DATES: From: 2002-08-02 To: 2002-08-05
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied: 100 µL
Duration of treatment / exposure:
Eyes were not rinsed
Observation period (in vivo):
3 days
Number of animals or in vitro replicates:
1+2
Details on study design:
REMOVAL OF TEST SUBSTANCE: no

SCORING SYSTEM: as laid down in OECD 405

TOOL USED TO ASSESS SCORE: UV lamp / fluorescein
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
3
Irritation parameter:
chemosis score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritant / corrosive response data:
Only very slight conjunctival reactions, including very slight chemosis (grade 1), very slight redness of the conjunctiva (grade 1) and clear discharge, were observed in all animals on day 1.
No other ocular reactions were observed during the study. Mean scores calculated for each animal over 24, 48 and 72 hours were 0.0, 0.0 and 0.0 for chemosis, redness of the conjunctiva, iris lesions and corneal opacity.
Interpretation of results:
GHS criteria not met
Conclusions:
PETMP is not irritating to eyes
Executive summary:

The potential of the test item PETMP to induce ocular irritation was evaluated in rabbits according to OECD (No. 405, 24th February 1987) and EC (92/69/EEC, B.5,31st July 1992) guidelines. The study was conducted in compliance with the principles of Good Laboratory Practice Regulations.

A single dose of 0.1 mL of the undiluted test item was instilled into the left conjunctival sac of three male New Zealand White rabbits. The right eye was not treated and served as control. The eyes were not rinsed after administration of the test item. Ocular reactions were observed approximately 1 hour, 24, 48 and 72 hours after the administration. The mean values of the scores for chemosis, redness of the conjunctiva, iris lesions and corneal opacity were calculated for each animal.

Only very slight conjunctival reactions (very slight chemosis, very slight redness of the conjunctiva and clear discharge) were observed in all animals on day 1. No other ocular reactions were observed during the study. Mean scores calculated for each animal over 24, 48 and 72 hours were 0.0, 0.0 and 0.0 for chemosis, redness of the conjunctiva, iris lesions and corneal opacity.

Under our experimental conditions, the test item PETMP is non-irritant when administered by ocular route to rabbits.

 

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed (not irritating)

Respiratory irritation

Endpoint conclusion
Endpoint conclusion:
no study available

Additional information

Skin irritation

The potential of the test item PETMP to induce skin irritation was evaluated in rabbits according to OECD (No. 404, 17th July 1992) and EC (92/69/EEC, B.4, 31st July 1992) guidelines. The study was conducted in compliance with the principles of Good Laboratory Practice Regulations.

In the first instance, the test item was applied for periods of 3 minutes and 4 hours to a singlemale New Zealand White rabbit. Since the test item was not severely irritant on this first animal, it was then applied for 4 hours to two other animals. A single dose of 0.5 mL of the undiluted test item was applied to the closely-clipped skin of one flank. The test item was held in contact with the skin by means of a semi-occlusive dressing. Cutaneous reactions were observed approximately 1 hour, 24, 48 and 72 hours after removal of the dressing and then daily until reversibility of cutaneous reactions. The mean values of the scores for erythema and oedema were calculated for each animal.

After a 3-minute exposure (one animal): A very slight erythema was noted, on day 4 only. No other cutaneous reactions were observed.

After a 4-hour exposure (three animals): No cutaneous reactions were noted.

Mean scores over 24, 48 and 72 hours for each animal were 0.0, 0.0 and 0.0 for erythema andoedema.

Under our experimental conditions, the test item PETMP is non-irritant when applied topically to rabbits.

 

Eye irritation

The potential of the test item PETMP to induce ocular irritation was evaluated in rabbits according to OECD (No. 405, 24th February 1987) and EC (92/69/EEC, B.5,31st July 1992) guidelines. The study was conducted in compliance with the principles of Good Laboratory Practice Regulations.

A single dose of 0.1 mL of the undiluted test item was instilled into the left conjunctival sac of three male New Zealand White rabbits. The right eye was not treated and served as control. The eyes were not rinsed after administration of the test item. Ocular reactions were observed approximately 1 hour, 24, 48 and 72 hours after the administration. The mean values of the scores for chemosis, redness of the conjunctiva, iris lesions and corneal opacity were calculated for each animal.

Only very slight conjunctival reactions (very slight chemosis, very slight redness of the conjunctiva and clear discharge) were observed in all animals on day 1. No other ocular reactions were observed during the study. Mean scores calculated for each animal over 24, 48 and 72 hours were 0.0, 0.0 and 0.0 for chemosis, redness of the conjunctiva, iris lesions and corneal opacity.

Under our experimental conditions, the test item PETMP is non-irritant when administered by ocular route to rabbits.

 

 

Justification for classification or non-classification

The criteria for classification as corrosive or irritating are not fulfilled. No or only very slight irritation was observed in vivo.