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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:
guideline study
Remarks:
OECD 105 preliminary test

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
no
Type of method:
other: OECD 105 preliminary test

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrasodium [μ-[3-[[2-amino-5-hydroxy-6-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-7-sulpho-1-naphthyl]azo]-2-hydroxy-5-sulphobenzoato(8-)]]dichromate(4-)
EC Number:
276-538-7
EC Name:
Tetrasodium [μ-[3-[[2-amino-5-hydroxy-6-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-7-sulpho-1-naphthyl]azo]-2-hydroxy-5-sulphobenzoato(8-)]]dichromate(4-)
Cas Number:
72252-58-5
Molecular formula:
C23H8Cr2N6O16S3.4Na
IUPAC Name:
tetrasodium [μ-[3-[[2-amino-5-hydroxy-6-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-7-sulpho-1-naphthyl]azo]-2-hydroxy-5-sulphobenzoato(8-)]]dichromate(4-)

Results and discussion

Water solubility
Key result
Water solubility:
> 1 000 g/L
Temp.:
20 °C
pH:
ca. 6.8

Any other information on results incl. tables

Table 1: results of preliminary test

water for 0.1 g test item [mL]

0.1

0.5

1

2

10

100

150

approximate solubility [g/L]

> 1000

200 -1000

100 - 200

50 - 100

10 - 50

1 – 10

< 1

visual evaluation

*)

soluble

soluble

soluble

soluble

soluble

soluble

*) the quantity of water was not sufficient to achieve a solution

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): very soluble (> 10000 mg/L)

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