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Physical & Chemical properties

Water solubility

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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report Date:
2006

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Analytical Expert Group ETAD
Principles of method if other than guideline:
Determination of water solubility by UV/VIS spectrometry
Type of method:
other: shake-flask method

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Water solubility
Water solubility:
<= 0.8 µg/L
Temp.:
24 °C
pH:
ca. 7

Any other information on results incl. tables

The solubility of the sample Pigment Red 254 in water at ambient temperature, determined under the conditions as mentioned above, is 0.8 µg/L (mean, n = 3, sigma = 0.95).

Table 1: Individual results

   Absorption (d = 10 cm)  µg/L
 a1 0.001926  0.5
 a2 0.001110  0.1
 a3 0.005203  1.9

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): insoluble (< 0.1 mg/L)