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EC number: 700-361-0 | CAS number: 361442-00-4
- 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
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 3 July 2002-12 to December 2002
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was conducted in 2002 according to EU Method B.1 tris and OECD Method # 423 and in accordance with GLP. The study material is well characterized.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
- Deviations:
- no
- GLP compliance:
- yes
- Test type:
- acute toxic class method
- Limit test:
- yes
Test material
- Reference substance name:
- (2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(3-hydroxyadamantan-1-yl)acetic acid
- EC Number:
- 700-361-0
- Cas Number:
- 361442-00-4
- Molecular formula:
- C17H27NO5
- IUPAC Name:
- (2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(3-hydroxyadamantan-1-yl)acetic acid
- Reference substance name:
- 1-Hydroxyadamantanyl-3-(S)-Boc-glycine
- IUPAC Name:
- 1-Hydroxyadamantanyl-3-(S)-Boc-glycine
- Details on test material:
- white powder; stored at room temperature in the dark; received at testing laboratory on 2000-17-04.
Constituent 1
Constituent 2
Test animals
- Species:
- rat
- Strain:
- other: crl:WI(Glx/BRL/Han)Br
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- Rats obtained from Charles River (UK) Ltd. At the start of the study the males weighed 281 to 329 g, and the females 186 to 219 g, and were ten weeks old on day 1. With exception of an overnight fast before dosing and 3-4 hours after dosing, free access to mains drinking water and food was allowed. The temperature and relative humidity were set to achieve limits of 19 to 25 C and 30 to 70% respectively. The rate of air exchange was at least 15 changes per hour and the lighting was controlled by a time switch to give 12 hours continuous light and 12 hours of darkness. Acclimation period: 14 to 21 days. Housing: 3 rats of same sex were housed in suspended stainless steel mesh cages.
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- other: 1% w/v methyl cellulose
- Details on oral exposure:
- CLASS METHOD
- Rationale for the selection of the starting dose: does selection follwed the acite toxic class procedure detailed in OECD and EU guidelines and 200 mg/kg was selected as the starting dose.
dose level: 200 mg/kg and 2000 mg/kg
dose volume: 10 ml/kg
3 females per dose, and 3 males per dose
As this dose level caused no deaths, 3 male and 3 female fasted rats were treated with 2000 mg/kg.
All animals were dosed once only by gavage, using plastic syringes and rubber catheters. The dosing was completed by passing the tip of a catheter along the oesophagus and instilling the test article into the gastric lumen.
The volume administered was calculated according to the fasted bodyweight at the time of dosing.
- Doses:
- 200 mg/kg and 2000 mg/kg
- No. of animals per sex per dose:
- Male: 2000 mg/kg bw; Number of animals: 3;
Female: 200 mg/kg bw; Number of animals: 3
Male: 200 mg/kg bw; Number of animals: 3;
Female: 2000 mg/kg bw; Number of animals: 3 - Control animals:
- no
- Details on study design:
- The animals were observed for deaths or overt signs of toxicity frequently on day 1: at least 1/2 hour after the final dose and four times with first 4 hours. Subsequently twice daily on day 2, 3, and 4 and once daily from the fifth to fourteen day. At the end of the observation period the animals were killed by intraperitoneal injection of sodium barbitone on day 15.
Body weights were recorded on day -1, 1,8,15.
The necropsy procedure included inspection of external surfaces and orifices, all viscera and tissue within the abdominal, thoracic and cranial cavities, free-hand sectioning of the liver and kidneys and examination of representative sections of mucosal surfaces of the stomach, small and large intestines. No tissue preservation or histopathological assessment of tissues was undertaken. - Statistics:
- None reported
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- other: acute median lethal dose
- Effect level:
- > 2 000 mg/kg bw
- Mortality:
- Male: 200 mg/kg bw; Number of animals: 3; Number of deaths: 0
Female: 200 mg/kg bw; Number of animals: 3; Number of deaths: 0
Male: 2000 mg/kg bw; Number of animals: 3; Number of deaths: 0
Female: 2000 mg/kg bw; Number of animals: 3; Number of deaths: 0 - Clinical signs:
- other: Signs of toxicity related to dose levels: There were no signs of systemic toxicity.
- Gross pathology:
- Effects on organs:
No abnormalities were noted at necropsy. - Other findings:
- None noted
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- The acute oral median lethal dose (LD50) of the test material in the rat was estimated as being greater than 2000 mg/kg bodyweight.
- Executive summary:
This study was conducted to assess the acute toxicity of the test article, BMS 528233-01, following single oral administration to small groups of rats.
The study design provides information for hazard assessment and classification and enables the chemical to be assigned to one of the four toxicity classes identified in Commission Directive 2001/59/EC, but severely restricts animal usage.
Groups of three male and three female fasted rats were given the test article as a single dose on Day 1 by oral gavage at dose levels of 200 and 2000 mg/kg. The test article was dispersed in 1% w/v methyl cellulose and administered at a dose volume of 10 mL/kg. All animals were killed on Day 15 and subsequently underwent a full necropsy.
There were no deaths following a single oral dose of BMS 528233-01 among rats of both sexes dosed at 200 or 2000 mg/kg.
There were no clinical signs of reaction to treatment at either dose level.
All rats dosed at 200 mg/kg achieved body weight gains during the first and second weeks of the study. At 2000 mg/kg, there was low body weight gain for one male and a small body weight loss for one female during Week 1. During Week 2, two females lost 1 g body weight and the other gained 1 g body weight only.
No macroscopic changes were apparent during necropsy on Day 15.
In conclusion, following a single administration of BMS 528233-01 to rats, the acute median lethal oral dose was found to exceed 2000 mg/kg.
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