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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2019-02-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Cross-referenceopen allclose all
Reason / purpose for cross-reference:
reference to same study
Reference
Endpoint:
tap density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2019-02-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
no guideline followed
Principles of method if other than guideline:
Tap density was determined
GLP compliance:
not specified
Other quality assurance:
other: not specified
Type of method:
pour and tap (for solids)
Key result
Type:
tap density
Remarks:
mean value
Density:
0.44 g/cm³
Temp.:
20 °C

Table: Results, Tap density at 20°C

Determination

Weight (g)

Volume (ml)

Tap Density (g/ml)

1

40.03

91

0.44

2

40.04

91

0.44

3

40.00

91

0.44

Mean Value

0.44

Conclusions:
The study was performed scientifically reasonable, documentation is sufficient. Hence, the results can be considered as reliable.
Executive summary:

The tap density of Yucca schidigera, ext. was determined in three repetions as 0.44 g/ml at 20°C.

Reason / purpose for cross-reference:
reference to same study
Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2019-02-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
no guideline followed
Principles of method if other than guideline:
The test item was sieved with defined sieves and weighed.
GLP compliance:
not specified
Other quality assurance:
other: not specified
Type of method:
sieving
Type of particle tested:
primary particle
Type of distribution:
mass based distribution
Mass median aerodynamic diameter:
> 0.08 - < 0.125 mm
Key result
Percentile:
D99
Mean:
> 0.08 mm
Remarks on result:
other: St. dev. not available
Conclusions:
The study was performed scientifically reasonable, documentation is sufficient. Hence, the results can be considered as reliable.
Executive summary:

The particle size distribution of Yucca schidigera, ext. was determined by sieving as follows:

Sieve

Weight of the residue of the sieve (g)

rx Residue on the sieve (%)

> 3.0 mm

3.4

3.4

< 3.0 mm > 2.0 mm

1.8

1.8

< 2.0 mm > 1.0 mm

3.2

3.2

< 1.0 mm > 0.6 mm

1.2

1.2

< 0.6 mm > 0.3 mm

3.2

3.2

< 0.3 mm > 0.212 mm

0.2

0.2

< 0.212 mm > 0.125 mm

2.0

2.0

< 0.125 mm > 0.08 mm

2.0

2.0

< 0.08 mm

83.0

83.0

Reason / purpose for cross-reference:
reference to same study
Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2019-02-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
no guideline followed
Principles of method if other than guideline:
A defined amount of test item was weighed into a defined amount of water, the undissolved material was determined.
GLP compliance:
not specified
Other quality assurance:
other: not specified
Type of method:
other: determination of undissolved material
Key result
Water solubility:
200 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
200 g/L
Incubation duration:
> 10 - < 15 min
Temp.:
20 °C
Remarks on result:
other: pH value not stated, presumably pH ca. 4
Conclusions:
The study was performed scientifically reasonable, documentation is sufficient. Hence, the results can be considered as reliable.
Executive summary:

The water solubility of Yucca schidigera, ext. was determined to be 20% at 20°C.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
The pH value of two aqueous solutions of the test item was determined via pH-meter.
GLP compliance:
not specified
Other quality assurance:
other: not specified

Test material

Constituent 1
Reference substance name:
Yucca schidigera, ext.
EC Number:
607-033-5
Cas Number:
223749-05-1
IUPAC Name:
Yucca schidigera, ext.
Test material form:
solid
Details on test material:
Structural Formula: not applicable, UVCB substance

Reagents

Reagent:
water

Results and discussion

pH valueopen allclose all
pH value:
4.4
Temp.:
20 °C
Concentration:
10 g/L
pH value:
4.3
Temp.:
20 °C
Concentration:
100 g/L

Applicant's summary and conclusion

Executive summary:

The pH values of a 1% resp. 10% aqueous solution of Yucca schidigera, ext. were determined via pH meter to 4.4 resp. 4.3 at 20°C.