Registration Dossier
Registration Dossier
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EC number: 215-185-5 | CAS number: 1310-73-2
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: A Klimisch 2 reliability score was assigned since data are based on a reliable handbook.
Data source
Referenceopen allclose all
- Reference Type:
- review article or handbook
- Title:
- Physical Constants of Inorganic Compounds
- Author:
- Lide DR
- Year:
- 2 009
- Bibliographic source:
- CRC Handbook of Chemistry & Physics, 89th Edition CRC Press
- Reference Type:
- other: EU RAR Sodium Hydroxide
- Title:
- European Risk Assessment Report Sodium Hydroxide
- Author:
- European Communities
- Year:
- 2 007
- Bibliographic source:
- EUR 23040 EN, Volume 73
Materials and methods
- Principles of method if other than guideline:
- No data
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- Cas Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
- Details on test material:
- - Name of test material (as cited in study report): sodium hydroxide, caustic soda
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- other: hygroscopic
- Colour:
- white
- Odour:
- other: It has no specific odour
- Substance type:
- inorganic
Applicant's summary and conclusion
- Conclusions:
- At room temperature sodium hydroxide is a white orthorhombic crystal and is hygroscopic. It has no specific odour and it is an inorganic substance.
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