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EC number: 250-097-0 | CAS number: 30233-64-8
- 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
Endpoint summary
Administrative data
Key value for chemical safety assessment
- Toxic effect type:
- dose-dependent
Effects on fertility
Description of key information
Data on reproductive and developmental toxicity of glycerol monobehenate
was not available. However, data from other glyceryl monoesters with
structural and functional similarities are available and were included in this
weight of evidence assessment. Data on Docosanoic acid (behenic acid) was
also used as well as data on glycerol. The available data has been extracted
from expert opinions (CIR 2016; CIR 2019; EFSA 2017; OECD 2001).
No signs of reproductive or developmental toxicity were observed in studies
performed with similar mono-glyceryl monoesters. For docosanoic acid
(behenic acid), NOAEL was > 1000 mg/kg bw/day in OECD 422 studies. For
glycerol, no signs of reproductive or developmental toxicity were identified.
Further, CIR (2019) concluded that Lithium Stearate caused no treatmentrelated adverse reproductive or developmental effects at doses up to 1000
mg/kg bw/day in dermal studies. While non-reproductive effects were noted in
parental animals in a few oral studies, no treatment-related adverse effects
were observed on the reproductive cycles or development of offspring in rats
exposed to Behenic Acid, Calcium Stearate, Capric Acid, Caprylic Acid, or
Undecylenic Acid.
EFSA (2017), in their evaluation of glycerol concluded that reproductive and
prenatal developmental studies were limited to conclude on reproductive
toxicity, but no dose-related adverse effects were reported. None of the animal
studies identified an adverse effect for glycerol.
Link to relevant study records
- Endpoint:
- screening for reproductive / developmental toxicity
- Type of information:
- other: weight of evidence analysis based on expert evaluated data on structural analogues
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Based on expert group reviews
- Justification for type of information:
- Because of the structural and functional similarities, data from other glyceryl monoesters, and other similar compounds, are also included in thie weight of evidence assessment as supporting data.
The following expert opinions (attached in sections 13) will be used in the weight of evidence approach:
CIR 2016: Cosmetic Ingredient Review. Safety assessment of monoglyceryl monoesters as used in cosmetics. Final amended report, January 15, 2016
CIR 2019: Safety Assessment of Fatty Acids & Fatty Acid Salts as Used in Cosmetics. Final release, January 4, 2019. - Principles of method if other than guideline:
- The results are based on a weight of evidence analysis from collection of data extracted from the literature and from expert opinions. For more details please refer to the attached weight of evidence documents as well as documents attached in section 13 identified as key references.
In relation to the data requirements of REACH Annex VIII (10-100 t/y), data on reproductive toxicity must be provided. No data on this endpoint is available for docosanoic acid, monoester with glycerol (glycerol monobehenate). Glycerol monobehenate is a mono-constituent substance. The main component is docosanoic acid, monoester with glycerol which is present in the product at a concentration of 80 – 90%, the remaining compounds are mainly fatty acids and monoesters of fatty acid and glycerol. Glycerol can also be present in a low concentration. Glyceryl monoesters (monoglycerides) are metabolized to free fatty acids and glycerol, both of which are available for the resynthesize of triglycerides.
The possible genetic toxicity of this substance is therefore assessed in the present weight of evidence analysis based on expert group assessments of the substances, which is considered the most valid data for the assessment, an overall weight of evidence approach based on these expert evaluations. The assessment is also supported by Q(SAR) predictions using different QSAR models (VEGA QSAR Tool and The Danish EPA QSAR database).
Expert group assessments of the substances are considered the most valid data - GLP compliance:
- not specified
- Remarks:
- Data extracted from expert opinions
- Dose descriptor:
- NOAEL
- Effect level:
- 1 000 mg/kg bw/day (nominal)
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- clinical signs
- Remarks on result:
- other: Based on collection of relevant data, see attached file
- Key result
- Critical effects observed:
- no
- Lowest effective dose / conc.:
- 1 000 mg/kg bw/day (nominal)
- Dose descriptor:
- NOAEL
- Generation:
- F1
- Effect level:
- 1 000 mg/kg bw/day (nominal)
- Based on:
- test mat.
- Sex:
- male/female
- Basis for effect level:
- clinical signs
- Key result
- Reproductive effects observed:
- no
- Lowest effective dose / conc.:
- 1 000 mg/kg bw/day (nominal)
- Conclusions:
- Data on reproductive and developmental toxicity of glycerol monobehenate
was not available. However, data from other glyceryl monoesters with
structural and functional similarities are available and were included in this
weight of evidence assessment. Data on Docosanoic acid (behenic acid) was
also used as well as data on glycerol. The available data has been extracted
from expert opinions (CIR 2016; CIR 2019; EFSA 2017; OECD 2001).
No signs of reproductive or developmental toxicity were observed in studies
performed with similar mono-glyceryl monoesters. For docosanoic acid
(behenic acid), NOAEL was > 1000 mg/kg bw/day in OECD 422 studies. For
glycerol, no signs of reproductive or developmental toxicity were identified.
Therefore, it can with a high degree of confidence it can be concluded that no
adverse effects on fertility and developmental endpoints would be expected
and that an assumed NOAEL for glycerol monobehenate will be >1000 mg/kg
bw/day which is normally considered as the highest relevant dose level when
testing for reproduction and prenatal developmental toxicity. Thus, glycerol
monobehenate is not to be classified for reproductive or developmental toxicity. - Executive summary:
Data on reproductive and developmental toxicity of glycerol monobehenate was not available. However, data from other glyceryl monoesters with structural and functional similarities are available and were included in this weight of evidence assessment. Data on Docosanoic acid (behenic acid) was also used as well as data on glycerol. The available data has been extracted from expert opinions (CIR 2016; CIR 2019; EFSA 2017; OECD 2001).
No signs of reproductive or developmental toxicity were observed in studies performed with similar mono-glyceryl monoesters. For docosanoic acid (behenic acid), NOAEL was > 1000 mg/kg bw/day in OECD 422 studies. For
glycerol, no signs of reproductive or developmental toxicity were identified.
Further, CIR (2019) concluded that Lithium Stearate caused no treatment related adverse reproductive or developmental effects at doses up to 1000 mg/kg bw/day in dermal studies. While non-reproductive effects were noted in parental animals in a few oral studies, no treatment-related adverse effects were observed on the reproductive cycles or development of offspring in rats exposed to Behenic Acid, Calcium Stearate, Capric Acid, Caprylic Acid, or Undecylenic Acid.
EFSA (2017), in their evaluation of glycerol concluded that reproductive and
prenatal developmental studies were limited to conclude on reproductive
toxicity, but no dose-related adverse effects were reported. None of the animal
studies identified an adverse effect for glycerol.
In support, based on Q(SAR) predictions using the Danish EPA QSAR
database and the VEGA Q(SAR) prediction model, it can be concluded that
glycerol monobehenate does not show possible mechanisms of reproductive
toxicity.
Therefore, it can with a high degree of confidence it can be concluded that no
adverse effects on fertility and developmental endpoints would be expected
and that an assumed NOAEL for glycerol monobehenate will be >1000 mg/kg
bw/day which is normally considered as the highest relevant dose level when
testing for reproduction and prenatal developmental toxicity. Thus, glycerol
monobehenate is not to be classified for reproductive or developmental toxicity.
The available information comprises adequate, reliable studies from reference
substances with similar structure and intrinsic properties. The weight-ofevidence approach is justified based on common functional group and common
precursors/breakdown products. The information from these independent
sources is consistent and provides sufficient weight of evidence leading to an
endpoint conclusion in accordance with Annex XI, 1.2, of Regulation (EC) No
1907/2006
Reference
From the literature search, specific data on reproductive toxicity of mono-glyceryl monoesters and other substances with similar structure was found in two assessment performed by the Cosmetic Ingredient Review (CIR) expert panel (CIR 2016, 2019). These are described in the following:
- A reproduction/developmental toxicity screening test was conducted in male and female
Sprague-Dawley rats for glyceryl oleate. Both males and females were dosed by gavage with 0,
100, 300, or 1000 mg/kg bw/day glyceryl oleate in corn oil once daily for 14 days prior to
mating; the males were dosed for an additional 28 days, and dosing of the females continued
until day 4 of lactation. There were 12 females in the control and 3 test groups, 7 males in the
control and high dose groups, and 12 males in the low- and mid-dose groups. A satellite group
of 5 males and 5 females were dosed for 42 days, with a 14-day post-dosing observation
period. The NOAELs for systemic toxicity (males and females), fertility (males and females),
and development (F1 generation) were 1000 mg/kg bw/day. No effects related to the
administration of the test-article were observed in parental animals or offspring.
- A gavage study in accordance with OECD 414 was performed on 7 female Sprague-Dawley
rats (per dose group). Dams received undecylenic acid: 0, 150, 450, or 1000 mg/kg bw/day in
corn oil from day 6 to day 20 of gestation. The maternal NOEL was set at 450 mg/kg bw/day
and the maternal LOAEL was set at 1000 mg/kg bw/day. Hypersalivation was observed from
gestation day 12 in all dose groups in a dose- dependent manner; 3 dams in the high dose
group died on gestation day 7 without clinical signs of toxicity or adverse effects at necropsy; no
treatment-related adverse effects observed in offspring.
- A gavage study in accordance with OECD 415 was performed on 24 female Sprague Dawley
rats (per dose group). The rats received undecylenic acid: 0, 150, 450 or 750 mg/kg bw/day in
corn oil. The high dose group treatment was terminated due to high mortality; dams in mid-dose
group were observed with hypersalivation and signification reduced body weight gain compared
to controls; no treatment-related adverse effects observed in offspring. The maternal NOAEL
was set at 150 mg/kg bw/day and maternal LOAEL was set at 450 mg/kg bw/day. The foetal
NOAEL was set at 450 mg/kg bw/day.
Further, data from expert opinions on docosanoic acid (behenic acid) were identified and data from
reproductive and developmental toxicity studies are described in the following:
- Two gavage studies in accordance with OECD 422 was performed with docosanoic acid using
male/female Sprague Dawley rats. In one study, the NOAEL = 1000 mg/kg bw/day for
reproduction and development. For this study, no adverse effects fertility indexes, no changes
in gestation length, delivery and lactation and no adverse effects on the sex ratio, body weight
or viability of pups. Further, No morphological abnormalities in external and visceral observation
in pups. In another study, NOAEL > 1000 mg/kg bw/day based on no treatment-related adverse
effects observed in parental animals or offspring.
Overall, CIR (2019) concluded that Lithium Stearate caused no treatment-related adverse reproductive
or developmental effects at doses up to 1000 mg/kg bw/day in dermal studies. While non-reproductive
effects were noted in parental animals in a few oral studies, no treatment-related adverse effects were
observed on the reproductive cycles or development of offspring in rats exposed to Behenic Acid,
Calcium Stearate, Capric Acid, Caprylic Acid, or Undecylenic Acid.
EFSA (2017), in their evaluation of glycerol concluded that reproductive and prenatal developmental
studies were limited to conclude on reproductive toxicity, but no dose-related adverse effects were
reported. None of the animal studies identified an adverse effect for glycerol.
Effect on fertility: via oral route
- Endpoint conclusion:
- no adverse effect observed
Effect on fertility: via inhalation route
- Endpoint conclusion:
- no study available (further information necessary)
Effect on fertility: via dermal route
- Endpoint conclusion:
- no study available (further information necessary)
Effects on developmental toxicity
Effect on developmental toxicity: via oral route
- Endpoint conclusion:
- no adverse effect observed
Effect on developmental toxicity: via inhalation route
- Endpoint conclusion:
- no study available (further information necessary)
Effect on developmental toxicity: via dermal route
- Endpoint conclusion:
- no study available (further information necessary)
Justification for classification or non-classification
Base on availabe data from expert opinions, it can with a high degree of confidence it can be concluded that no adverse effects on fertility and developmental endpoints would be expected and that an assumed NOAEL for glycerol monobehenate will be >1000 mg/kg bw/day which is normally considered as the highest relevant dose level when testing for reproduction and prenatal developmental toxicity. Thus, glycerol monobehenate is not to be classified for reproductive or developmental toxicity.
The available information comprises adequate, reliable studies from reference substances with similar structure and intrinsic properties. The weight-of evidence approach is justified based on common functional group and common precursors/breakdown products. The information from these independent sources is consistent and provides sufficient weight of evidence leading to an endpoint conclusion in accordance with Annex XI, 1.2, of Regulation (EC) No 1907/2006
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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