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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10-January-2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: non-GLP and test procedure according to national standards.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 19268
Deviations:
no
GLP compliance:
no
Remarks:
Instead: DIN EN ISO 9001: 2000 management system certification (incl. certificate), TUEV NORD CERT GmbH, Germany

Test material

Constituent 1
Reference substance name:
Glyceryl thioglycolate 80% (GMT 80)
IUPAC Name:
Glyceryl thioglycolate 80% (GMT 80)
Constituent 2
Chemical structure
Reference substance name:
Mercaptoacetic acid, monoester with propane-1,2,3-triol
EC Number:
250-264-8
EC Name:
Mercaptoacetic acid, monoester with propane-1,2,3-triol
Cas Number:
30618-84-9
Molecular formula:
C5H10O4S
IUPAC Name:
1,3-dihydroxypropan-2-yl 2-sulfanylacetate 2,3-dihydroxypropyl 2-sulfanylacetate
Test material form:
solid - liquid: suspension
Details on test material:
- Name of test material (as cited in study report): Glyceryl Thioglycolate 80% (GMT 80)
- Physical state: clear colourless, slightly viscous liquid
- Analytical purity: 80.8%
- Lot/batch No.: 21168
- Other: Certificate of Analysis of the test item is attached to the study report

Results and discussion

pH value
pH value:
2.04
Temp.:
20 °C
Concentration:
1 000 g/L

Applicant's summary and conclusion

Conclusions:
The determined pH value for concentration of 1000 g/L of the test material Glyceryl Thioglycolate 80% (GMT 80) is 2.04 at 20°C.