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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1989
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP compliant study conducted according to International test guidelines

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guidelineopen allclose all
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

Test material

Constituent 1
Chemical structure
Reference substance name:
Diethyl 4-oxopentane-1,2-dicarboxylate
EC Number:
413-860-0
EC Name:
Diethyl 4-oxopentane-1,2-dicarboxylate
Cas Number:
1187-74-2
Molecular formula:
C11H18O5
IUPAC Name:
1,4-diethyl 2-(2-oxopropyl)butanedioate
Details on test material:
- Name of test material (as cited in study report): Acetonylsuccinic acid diethylester
- Physical state: Liquid
- Analytical purity: 97.5%
- Lot/batch No.: W 71604
- Expiration date of the lot/batch: 1989-10-31
- Stability under test conditions: Stable

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Biological Research Laboratories Ltd, CH-4414, Fullinsdorf
- Age at study initiation: 14-15 weeks
- Weight at study initiation: 2.3-2.5 kg
- Housing: Individually in stainless steel cages
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: 4 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17-23
- Humidity (%): 40-70
- Air changes (per hr): 10-15
- Photoperiod (hrs dark / hrs light): 12/12


IN-LIFE DATES: From: 1989-09-12 To: 1989-09-15

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 mL
- Concentration (if solution): Undiluted
Duration of treatment / exposure:
4 hours
Observation period:
72 hours
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: 6 cm2
- Type of wrap if used: Semi-occlusive dressing wrapped around adbdomen and secured with elastic bandage


REMOVAL OF TEST SUBSTANCE
- Washing (if done): Treatment site flushed with warm water
- Time after start of exposure: 4 hours


SCORING SYSTEM: Draize scale as described in test guidelines

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
other: 1 hour
Score:
1
Max. score:
1
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
other: 1 hour
Score:
1
Max. score:
1
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
other: 1 hour
Score:
1
Max. score:
1
Reversibility:
fully reversible within: 24 hours
Other effects:
None observed

Any other information on results incl. tables

 Observation time

Animal

Erythema

Oedema

 1 hour

79 

  80 
   81
24 hours  79 
   80
   81
 48 hours 79 
   80
   81
 72 hours 79 
   80
   81

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Acetonyl succinic acid diethyl ester is not a skin irritant
Executive summary:

Acetonyl succinic acid diethyl ester is not a skin irritant