Haematoxylin

Density

Administrative data

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2018

Report date:

2018

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

GLP compliance:

yes (incl. QA statement)

Type of method:

pour and tap (for solids)

Test material

Test material information

Constituent 1

Reference substance name:

Haematoxylin

EC Number:

208-237-3

EC Name:

Haematoxylin

Cas Number:

517-28-2

Molecular formula:

C16H14O6

IUPAC Name:

haematoxylin

Results and discussion

Density

Density 1

Key result

Type:

pour density

Density:

ca. 550 kg/m³

Temp.:

20.2 °C

Density 2

Key result

Type:

tap density

Density:

ca. 730 kg/m³

Temp.:

20.2 °C

Any other information on results incl. tables

Pour Density: D_p

	Assay No.1	Assay No.2
Mass of test item M (g)	118.7	121.6
Volume of test item V1(mL)	220	220
Pour Density Dp= M/V1(g/mL)	0.54	0.55
Arithmetic Mean	0.55 g/mL at 20.2 °C 550 kg/m^3at 20.2 °C

1.1.1.     Tap Density: D_T

	Assay No.1	Assay No.2
Mass of test item M (g)	118.7	121.6
Volume of test item V2(mL)	164	166
Tap Density DT= M/V2(g/mL)	0.72	0.73
Arithmetic Mean	0.73 g/mL at 20.2 °C 730 kg/m^3at 20.2 °C

 

Applicant's summary and conclusion

Conclusions:

The Pour Density DP was determined 550 kg/m3 at 20.2 °C under the specified testing conditions.
The Tap Density DT was determined 730 kg/m3 at 20.2 °C under the specified testing conditions.

Executive summary:

The Pour Density D_Pwas determined 550 kg/m³at 20.2 °C under the specified testing conditions.

The Tap Density D_Twas determined 730 kg/m³at 20.2 °C under the specified testing conditions.