Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

Endpoint:
nanomaterial dustiness
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26/06/2010 to 06/07/2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: CIPAC Method MT 171
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium metaborate, anhydrous
EC Number:
231-891-6
EC Name:
Sodium metaborate, anhydrous
Cas Number:
7775-19-1
Molecular formula:
NaBO2
IUPAC Name:
sodium oxoborinate
Details on test material:
- Name of test material: Sodium metaborate
- Physical state: White odourless crystalline solid. Sample tested as a fully saturated solution (1300 g in 1500 cm3 of water).

Results and discussion

Dustiness index
Remarks on result:
other: Nearly dust free

Any other information on results incl. tables

Dustiness:






















Test item



Weight of


filter disk


before dust


collection


(mg)



Weight of


filter disk


after dust


collection


(mg)



Weight


of dust collected



Dust


category



Assessment


of dustiness



Sodium metaborate 4 mol tech



58.0



60.3



2.3



1



Nearly dust free



Sodium metaborate 4 mol tech (d50 mm 0.321) did not produce significant amounts of dust and was classed as nearly dust free.

Applicant's summary and conclusion

Conclusions:
The dustiness of sodium metaborate 4 mol tech was assessed according to CIPAC method MT 171. Sodium metaborate 4 mol tech (d50 mm 0.321) did not produce significant amounts of dust and was classed as nearly dust free.
Executive summary:

Dustiness test was performed according to CIPAC Method MT 171 under GLP compliance. Test item 4 mol tech (d50 mm 0.321) did not produce significant amounts of dust and was classed as nearly dust free.