Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
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: 231-442-4 | CAS number: 7553-56-2
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- other: Handbook data
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Handbook data are considered as a trusted source. The reference presents peer-reviewed physico-chemical data.
- Guideline:
- other: Not mentioned
- Principles of method if other than guideline:
- Method followed unknown; data from handbook
- GLP compliance:
- not specified
- Type of method:
- other: Not indicated
- Water solubility:
- 0.03 other: g/100 g
- Temp.:
- 20 °C
- Remarks on result:
- other: pH unknown
- Details on results:
- No further details; data from handbook
- Conclusions:
- Iodine: water solubility 0.03 g/100 g H2O (equivalent to 300 mg/L) at 20°C
- Endpoint:
- water solubility
- Type of information:
- other: Handbook data
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Handbook data are considered as a trusted source. The reference presents peer-reviewed physico-chemical data.
- Guideline:
- other: Not mentioned
- Principles of method if other than guideline:
- Method followed unknown; data from handbook
- GLP compliance:
- not specified
- Type of method:
- other: Not indicated
- Water solubility:
- 330 mg/L
- Temp.:
- 25 °C
- Remarks on result:
- other: pH unknown
- Details on results:
- No further details; data from handbook
- Conclusions:
- Interpretation of results (migrated information): moderately soluble (100-1000 mg/L)
Iodine solubility in water: 330 mg/L at 25°C - Endpoint:
- water solubility
- Type of information:
- other: Handbook data
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Handbook data are considered as a trusted source. The reference presents peer-reviewed physico-chemical data.
- Guideline:
- other: Not mentioned
- Principles of method if other than guideline:
- Method followed unknown; data from handbook
- GLP compliance:
- not specified
- Type of method:
- other: Not indicated
- Water solubility:
- 0.34 other: g/kg
- Temp.:
- 25 °C
- Remarks on result:
- other: pH unknown
- Conclusions:
- Iodine: Solubility in water 0.34 g/kg (340 mg/L) at 25°C
Referenceopen allclose all
Description of key information
3 Handbooks: 300-340 mg/L (20-25°C)
Key value for chemical safety assessment
- Water solubility:
- 340 mg/L
- at the temperature of:
- 25 °C
Additional information
The water solubility of iodine is reported to be between 300 -340 mg/L at 20 and 25 °C, respectively (CRC Handbook, 2005; Patty's Handbook, 1994 and Ullmann's, 2005).
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