1,2,4-triazole-3-thiol

Density

Administrative data

Endpoint:

density, other

Remarks:

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:

2019

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

pycnometer method

Test material

Test material information

Constituent 1

Reference substance name:

1,2,4-triazole-3-thiol

EC Number:

221-656-6

EC Name:

1,2,4-triazole-3-thiol

Cas Number:

3179-31-5

Molecular formula:

C2H3N3S

IUPAC Name:

4H-1,2,4-triazole-3-thiol

Test material form:

solid: crystalline

Results and discussion

Density

Key result

Type:

density

Density:

1.634 g/cm³

Temp.:

20 °C

Any other information on results incl. tables

1.1     Presentation of Results

Results of the single determinations with the respective error as well as the mean value and its standard deviation are presented in the following tables:

Table8.2‑a     Results of Single Determinations

Determination	Density in g/cm^3	Error of Determ. in g/cm^3
1	1.6338	0.0009
2	1.6340	0.0009

 

Table8.2‑b     Results – Mean Values

Parameter	Value	Unit	Standard Deviation	Relative Standard Deviation
Volume of Pycnometer	25.08	cm^3	0.0004	0.00%
Density of Test Item	1.6339	g/cm^3	0.0002	0.01%
Density of Test Item	1633.9	kg/m^3	0.2	0,01%
Relative Density of Test Item	1.6339		0.0002	0.01%

Note: All calculations are performed with unrounded values. Therefore, re-calculation with rounded values may lead to slightly different results.

Applicant's summary and conclusion

Conclusions:

The density of the test item 3-Mercapto-1,2,4-triazole was calculated as 1.6339 ± 0.0009 g/cm3 at 20.0 ± 0.2 °C, which is the mean of two values. Precision of the value is given as maximal error of a single determination.
Standard deviation was 0.0002 g/cm3, showing very good correlation of the two determinations. Therefore, the study is considered valid.

Executive summary:

Using the pycnometer method, a density of

 

1.6339 ± 0.0009 g/cm³at 20.0 ± 0.2 °C

 

was measured. This value is the mean of two independent determinations with the maximum error of a single determination.

Standard deviation was 0.0002 g/cm³, showing good correlation of the two determinations.