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Diss Factsheets
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EC number: 613-953-8 | CAS number: 66603-10-9
- 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
![](https://poisoncentres.echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_physical-and-chemical-properties.png)
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 08.12.2003
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- K-HDO is manufactured as 30 % aqueous dilution. Therefore the pH-analysis of this aqueous dilution has been summarized in this record.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 003
- Report date:
- 2003
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- CIPAC MT 75 (Determination of pH Values)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM 70-77 "pH of aqueous solutions with the glass electrode"
- Deviations:
- not specified
- GLP compliance:
- no
- Remarks:
- BASF Wolman GmbH is not a GLP certified laboratory. However the requirements of Good Laboratory Practice have always been followed.
Test material
- Reference substance name:
- Cyclohexylhydroxydiazene 1-oxide, potassium salt
- EC Number:
- 613-953-8
- Cas Number:
- 66603-10-9
- Molecular formula:
- C6H11KN2O2
- IUPAC Name:
- Cyclohexylhydroxydiazene 1-oxide, potassium salt
- Test material form:
- liquid
- Details on test material:
- Xyligen 30F is a 30% aqueous solution of K-HDO.
Constituent 1
- Specific details on test material used for the study:
- Purity: 100 %
Physical State: Liquid
Colour: clear, yellow-brown
Odour: characteristic
Solubility: miscible with water
Homogeneity: Homogeneous
Stability: stable at ambient conditions
Storage conditions: room temperature
Results and discussion
pH valueopen allclose all
- Key result
- pH value:
- 8.23
- Temp.:
- 20 °C
- Concentration:
- 1 other: % w/w
- Key result
- pH value:
- 8.81
- Temp.:
- 20 °C
- Concentration:
- 10 other: % w/w
Any other information on results incl. tables
Test results:
pH (at 20°C)
1 % solution: 8.23
10 % solution: 8.81
Applicant's summary and conclusion
- Executive summary:
pH values of Xyligen 30F (at 20°C):
1 % solution: 8.23
10 % solution: 8.81
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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