Registration Dossier

Physical & Chemical properties

Appearance / physical state / colour

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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other: Available as unpublished report, acceptable with restrictions.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Principles of method if other than guideline:
State of the substance information was provided by the company in the form of a letter stating the relevant information. The letter was signed by the individual responsible for the area of work. Given that the company has practical expertise in handling the substance this was deemed to be acceptable information on the state of the substance.
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Speiss leaching residue
IUPAC Name:
Speiss leaching residue
Constituent 2
Reference substance name:
Residues, copper speiss acid leaching
EC Number:
309-643-4
EC Name:
Residues, copper speiss acid leaching
Cas Number:
100656-54-0
IUPAC Name:
copper(2+) lambda2-lead(2+) antimony tetraarsenic hexacopper lead dinickel decasulfur disulfanediide
Details on test material:
No further details

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
powder
Colour:
black
Odour:
odourless
Substance type:
inorganic

Applicant's summary and conclusion

Conclusions:
Speiss leaching residue is an odourless black powder.
Executive summary:

Data was received from the company confirming the physical state, form, colour, odour and substance type. This data is considered reliable and suitable for use. Speiss leaching residue is an odourless black powder.