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EC number: 939-404-5 | CAS number: 1469983-43-4
- 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)
Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Study period:
- 1988
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Comparable to guideline study with acceptable restrictions. The study was conducted under GLP; although concentrations of induction were below irritation potential, the study is considered reliable and relevant, however not adequate for classification in isolation.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 406 (Skin Sensitisation)
- Version / remarks:
- 1981, page 57 ff.
- Deviations:
- yes
- Remarks:
- (no pretreatment with sodium lauryl sulphate)
- Principles of method if other than guideline:
- Test concentration used for induction was the highest non-irritating concentration and not the lowest concentration which causes mild-to-moderate skin irritation. The animals were not pretreated with sodium lauryl sulphate, as required by recent guidelines for testing of non-irritating substances. Furthermore, no positive control substance was tested in parallel and no periodically performed sensitivity and reliability check of the experimental technique is reported.
- GLP compliance:
- yes
- Type of study:
- guinea pig maximisation test
Test material
- Reference substance name:
- Reaction products of ricinoleic acid with 2-aminoethanol and maleic acid and sodium hydrogensulfite
- IUPAC Name:
- Reaction products of ricinoleic acid with 2-aminoethanol and maleic acid and sodium hydrogensulfite
- Test material form:
- other: liquid
- Details on test material:
- - Name of test material (as cited in study report): [Trade name]
- Physical state: Pale yellow, clear, slightly viscous liquid
- Analytical purity: Not provided
- Impurities (identity and concentrations): Not provided
- Composition of test material, percentage of components: according to producer information substance [Trade name] has 40 % act.ingr.
- Purity test date: Not provided
- Lot/batch No.: V 2624 (8.2.88)
- Expiration date of the lot/batch: Not provided
- Storage condition of test material: room temperature, dark
- Stability under test conditions: Not provided
Constituent 1
In vivo test system
Test animals
- Species:
- guinea pig
- Strain:
- other: Pirbright / Hoe: DHPK(SPF-LAC.)/Boe
- Sex:
- male/female
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Source: Lippische Versuchtierzucht Hagemann GmbH & Co. KG , Hameiner Strasse 3, 4923 Exertal 1
- Age at study initiation: Not provided
- Weight at study initiation: 228-293 g
- Fasting period before study: Not provided
- Housing: max 5 guinea pigs/cage, Makrolon IV cages, (h 20 x b 30x l 55 cm)
- Diet (e.g. ad libitum): ad libitum, Ssniff -G® (Alleindiät für Meerschweinchen), Ssniff Spezialdiäten GmbH, 4770 Soest/Westfalen, pellets, 1.0 cm long, 0.5 cm diameter
- Water (e.g. ad libitum): ad libitum, Makrolon bottles (Firma Becker & Co., 4620 Castrop-Rauxel), tap water as for human use, analytical and bacteriological controls every half year
- Acclimation period: at least 7 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18 ± 2 °C (measured with thermohygrometer twice daily)
- Humidity (%): 50-85% (measured with thermohygrometer twice daily)
- Air changes (per hr): Not provided
- Photoperiod (hrs dark / hrs light): 12/12 (12hours daylight from 7.00-19.00h)
Study design: in vivo (non-LLNA)
Inductionopen allclose all
- Route:
- intradermal and epicutaneous
- Vehicle:
- other: deionised water
- Concentration / amount:
- No information on content of active ingredient of the test substance in this study report. However, according to producer information substance [Trade name] has 40 % act. ingr.
INDUCTION:
- intradermal treatment: 10 % test substance (corresponding to 4 % act.ingr.)
- epicutaneous treatment: 50 % test substance (corresponding to 20 % act.ingr.)
CHALLENGE: 50 % test substance (corresponding to 20 % act.ingr.)
Challengeopen allclose all
- Route:
- epicutaneous, occlusive
- Vehicle:
- other: deionised water
- Concentration / amount:
- No information on content of active ingredient of the test substance in this study report. However, according to producer information substance [Trade name] has 40 % act. ingr.
INDUCTION:
- intradermal treatment: 10 % test substance (corresponding to 4 % act.ingr.)
- epicutaneous treatment: 50 % test substance (corresponding to 20 % act.ingr.)
CHALLENGE: 50 % test substance (corresponding to 20 % act.ingr.)
- No. of animals per dose:
- 20 (10 male, 10 female)
- Details on study design:
- RANGE FINDING TESTS: In order to exclude primary skin irritation, two guinea pigs underwent single dermal treatment under occlusive conditions with the following concentrations (0.5 mL / animal): 100% (= undiluted), 75%, 50% and 10% solution in deionised water (corresponding to 40, 30, 20 and 4% act.ingr., respectively). An area of approx. 8x5 cm over the schoulders was clipped short. Two animals per concentration were treated.
MAIN STUDY
A. INDUCTION EXPOSURE first stage (intradermal)
- No. of exposures: 6 sites in 40 animals
- Exposure period: single injection
- Test group: 10 male and 10 female guinea pigs (1 group with 3 bilateral injections)
- Control group: 10 male and 10 female guinea pigs (1 group with 3 bilateral injections)
- Site: bilaterally to the spine starting in the cranio-dorsal area
- Frequency of applications: 1 (6 sites)
- Concentrations: - Test groups: 0.05 mL injection of 10% solution of the test substance in deionised water (2 injection sites bilaterally to the spine); 0.05 mL injection of 10% solution of the test substance in Freund Complete Adjuvans (2 injection sites bilaterally to the spine); 0.05 mL injection of Freund Complete Adjuvans undiluted (2 injection sites bilaterally to the spine)
- Control group: 0.05 mL injection of Freund Complete Adjuvans undiluted (2 injection sites bilaterally to the spine); 0.05 mL injection of 10% deionised water in Freund Complete Adjuvans (2 injection sites bilaterally to the spine); 0.05 mL injection of undiluted deionised water (2 injection sites bilaterally to the spine)
B.INDUCTION EXPOSURE second stage (epicutaneous)
- No. of exposures: 2 (x 6 sites) in 40 animals
- Day(s) of challenge: 7 days
- Exposure period: 48 hours occlusive dressing
- Test group: 20 animals
- Control group: 20 animals
- Site: the 3 sites bilaterally of the spine
- Concentrations: - Test group: 0.5mL of a 50% solution of the test substance in deionised water (corresponding to 20% act.ingr.)
- Control group: 0.5 mL of undiluted deionised water
C. CHALLENGE EXPOSURE 1
- No. of exposures: 2 (x 6 sites) in 40 animals
- Day(s) of challenge: 3 weeks (after intradermal injection)= 21 days
- Exposure period: 24 hours
- Test group: 20 animals
- Control group: 20 animals
- Site: the 3 sites bilaterally of the spine
- Concentrations: - Test group: 0.5mL of a 50% solution of the test substance in deionised water on the left side; 0.5 mL of undiluted deionised water on the right side
- Control group: 0.5mL of a 50% solution of the test substance in deionised water on the left side; 0.5 mL of undiluted deionised water on the right side
- Evaluation (hr after challenge): 24 h and 48h - Challenge controls:
- yes: 0.5 mL of undiluted deionised water on the right side
- Positive control substance(s):
- no
Results and discussion
In vivo (non-LLNA)
Resultsopen allclose all
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 50% test substance (corresponding to 20% act.ingr.)
- No. with + reactions:
- 1
- Total no. in group:
- 20
- Clinical observations:
- one animal showed a moderate erythema (reaction score 2)
- Remarks on result:
- other: see Remark
- Remarks:
- Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 50% test substance (corresponding to 20% act.ingr.). No with. + reactions: 1.0. Total no. in groups: 20.0. Clinical observations: one animal showed a moderate erythema (reaction score 2).
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 50 % test substance (corresonding to 20% act.ingr.)
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 50 % test substance (corresonding to 20% act.ingr.). No with. + reactions: 0.0. Total no. in groups: 20.0.
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 50 % test substance (corresponding to 20% act.ingr.)
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: negative control. Dose level: 50 % test substance (corresponding to 20% act.ingr.). No with. + reactions: 0.0. Total no. in groups: 20.0.
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 50% test substance (corresponding to 20% act.ingr.)
- No. with + reactions:
- 1
- Total no. in group:
- 20
- Clinical observations:
- one animal showed a slight erythema (reaction score 1)
- Remarks on result:
- other: see Remark
- Remarks:
- Reading: 2nd reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 50% test substance (corresponding to 20% act.ingr.). No with. + reactions: 1.0. Total no. in groups: 20.0. Clinical observations: one animal showed a slight erythema (reaction score 1).
Any other information on results incl. tables
Range finding: 100%: 24h and 48h : slightly erythema; 75%: 24h : very slightly erythema; 50% and 10%: no primary dermal irriatation
Main test: Test group:24h after retesting (50% solution): 1 animal with moderate erythema. 48h after retesting all 20 animals of the test group had no reaction.
Control group: after 24h no reaction on test site or on control site. At 48 h 1/20 animals showed a slight erythema (score 1) at the test substance treated skin area.
19 of the 20 test animals had no reaction, thus the test substance [Trade name] (50% solution) can be classified as “probably not sensitising”. The significant irritation in one test animal can still be assigned to chance.
Table 1. Range finding: individual observations
Animal number |
Sex |
Concentration |
24h |
48h |
1 |
m |
100% undiluted |
1 |
0 |
2 |
f |
100% undiluted |
1 |
± |
1 |
m |
75% in deionised water |
± |
0 |
2 |
f |
75% in deionised water |
0 |
0 |
1 |
m |
50% in deionised water |
0 |
0 |
2 |
f |
50% in deionised water |
0 |
0 |
1 |
m |
10% in deionised water |
0 |
0 |
Table2. Individual observations after retesting (Attempt C) in the Test group (Right flank: 0.5 mL deionised water; Left flank: 0.5 mL test substance 50% solution in deionised water)
Animal number |
Sex |
24 hours |
48 hours |
||
Right flank |
Left flank |
Right flank |
Left flank |
||
1 |
M |
0 |
0 |
0 |
0 |
2 |
M |
0 |
0 |
0 |
0 |
3 |
M |
0 |
0 |
0 |
0 |
4 |
M |
0 |
0 |
0 |
0 |
5 |
M |
0 |
2 |
0 |
0 |
6 |
M |
0 |
0 |
0 |
0 |
7 |
M |
0 |
0 |
0 |
0 |
8 |
M |
0 |
0 |
0 |
0 |
9 |
M |
0 |
0 |
0 |
0 |
10 |
M |
0 |
0 |
0 |
0 |
11 |
F |
0 |
0 |
0 |
0 |
12 |
F |
0 |
0 |
0 |
0 |
13 |
F |
0 |
0 |
0 |
0 |
14 |
F |
0 |
0 |
0 |
0 |
15 |
F |
0 |
0 |
0 |
0 |
16 |
F |
0 |
0 |
0 |
0 |
17 |
F |
0 |
0 |
0 |
0 |
18 |
F |
0 |
0 |
0 |
0 |
19 |
F |
0 |
0 |
0 |
0 |
20 |
F |
0 |
0 |
0 |
0 |
Table3. Individual observations after retesting (Attempt C) in the Control group (Right flank: 0.5 mL deionised water; Left flank: 0.5 mL test substance 50% solution in deionised water)
Animal number |
Sex |
24 hours |
48 hours |
||
Right flank |
Left flank |
Right flank |
Left flank |
||
1 |
M |
0 |
0 |
0 |
0 |
2 |
M |
0 |
0 |
0 |
0 |
3 |
M |
0 |
0 |
0 |
0 |
4 |
M |
0 |
0 |
0 |
0 |
5 |
M |
0 |
0 |
0 |
1 |
6 |
M |
0 |
0 |
0 |
0 |
7 |
M |
0 |
0 |
0 |
0 |
8 |
M |
0 |
0 |
0 |
0 |
9 |
M |
0 |
0 |
0 |
0 |
10 |
M |
0 |
0 |
0 |
0 |
11 |
F |
0 |
0 |
0 |
0 |
12 |
F |
0 |
0 |
0 |
0 |
13 |
F |
0 |
0 |
0 |
0 |
14 |
F |
0 |
0 |
0 |
0 |
15 |
F |
0 |
0 |
0 |
0 |
16 |
F |
0 |
0 |
0 |
0 |
17 |
F |
0 |
0 |
0 |
0 |
18 |
F |
0 |
0 |
0 |
0 |
19 |
F |
0 |
0 |
0 |
0 |
20 |
F |
0 |
0 |
0 |
0 |
Applicant's summary and conclusion
- Interpretation of results:
- other: probably not sensitizing
- Remarks:
- Criteria used for interpretation of results: expert judgment
- Conclusions:
- Based on current study, the test item can be classified as “probably not sensitising” as 19 of the 20 test animals had no reaction to the test substance (50% solution) according to the method of Magnusson and Kligman (OECD 406) and the distinct irritation in 1 test animal can still be assigned to chance.
- Executive summary:
After an acclimation period of at least 7 days, 2 groups (test and control group) of 20 animals each were tested. Before treatment the animals were shaved in the shoulder area (approx. 8 x 5 cm). In order to exclude primary dermal irritation, 2 guinea pigs were tested in a single dermal (occlusive) application (0.5 mL (g) /animal) with following concentrations: 100% undiluted, 75%, 50% and 10% solution in deionised water of a test formulation containing 40% active ingredient (=range finding test).
In Attempt A (intradermal induction) each animal was injected in 2 injection sites (pairs) bilaterally to the spine (starting in the cranio-dorsal area) with 0.05 mL as follows:
Test group:1 pair (2) injections of test substance 10% solution in deionised water; 1 pair (2) injections of test substance 10% solution in FCA and 1 pair (2) injections of FCA undiluted.
Control group:1 pair (2) injections of FCA undiluted; 1 pair (2) injections of dionised water 10% solution in FCA and 1 pair (2) injections of deionised water undiluted.
In Attempt B , 7 days after intradermal induction, the first dermal induction started with 0.5 mL of the test substance (50% solution= maximal concentration with no primary irritation in range finding) on the left flank and 0.5 mL vehicle (deionised water) on the right flank in a closed patch test. After 48 hours the dressing was removed.
In Attempt C (Challenge), 3 weeks after intradermal treatment, the second single dermal application or challenge was executed with “Hill-Top” –Chambers, with 0.5 mL of the test substance (50% solution) on the left flank and 0.5 mL vehicle (deionised water) on the right flank. After 24 hours the dressing was removed. 24 Hours and 48 hours after removal evaluation was done.
The range finding showed no primary irritation in the 50% and 10% solution group.
In Attempt C (Challenge) there was 1 animal in the test group (50% solution) with slightly erythema at 24h evaluation. At 48h after challenge none of the 20 animals of the test group had any reaction. In the control group after 24 and 48h there were no reactions on the test site or the control site. In 19 of the 20 test animals no reaction was observed, thus the test substance (50% solution or 20% active ingredient) can be classified as “probably not sensitising”. The significant irritation in 1 test animal can still be assigned to chance.
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