Registration Dossier
Registration Dossier
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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.
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EC number: 275-735-5 | CAS number: 71630-92-7 Substance obtained by burning the husk removed from the rice paddy. Contains silica as well as the elements aluminum, calcium, carbon, chromium, copper, indium, iron, lead, magnesium, manganese, molybdenum, phosphorus, silver, sodium, tin, and zinc.
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Adopted according to OECD SIDS (public available peer reviewed source). The original source is not available and has not been reviewed.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 976
Materials and methods
- Principles of method if other than guideline:
- Application to the intact and abraded skin. Post observation period 48 hours.
- GLP compliance:
- no
- Test type:
- other: not specified
Test material
- Reference substance name:
- 112926-00-8
- EC Number:
- 601-214-2
- Cas Number:
- 112926-00-8
- IUPAC Name:
- 112926-00-8
- Details on test material:
- - Name of test material (as cited in study report): Syloid 244 (Silica gel, precipitated, cryst.-free)
- Analytical purity: no data
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- not specified
- Sex:
- not specified
Administration / exposure
- Type of coverage:
- not specified
- Vehicle:
- not specified
- Duration of exposure:
- not specified
- Doses:
- no data
- No. of animals per sex per dose:
- no data
- Control animals:
- not specified
Results and discussion
Effect levels
- Sex:
- not specified
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
Any other information on results incl. tables
No further information given.
Applicant's summary and conclusion
- Interpretation of results:
- practically nontoxic
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
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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