1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate

Short-term toxicity to fish

Administrative data

Endpoint:

short-term toxicity to fish

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: GLP complicance, not OECD guideline

Data source

Reference

Reference Type:

other: inquiry result from ECHA

Title:

Unnamed

Year:

2014

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: 92/69/EWG, C.1

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate

EC Number:

429-300-3

EC Name:

1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate

Cas Number:

155601-30-2

Molecular formula:

C5H12N4O5S

IUPAC Name:

1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate

Test solutions

Details on test solutions:

Identity and concentration of auxiliary solvent for dispersal: None

Test organisms

Test organisms (species):

Danio rerio (previous name: Brachydanio rerio)

Study design

Test type:

static

Test conditions

Hardness:

228 mg CaCO3/L

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

24 h

Dose descriptor:

LC50

Effect conc.:

> 86.23 mg/L

Basis for effect:

mortality (fish)

Effect concentrations 2

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

> 86.23 mg/L

Basis for effect:

mortality (fish)

Effect concentrations 3

Duration:

72 h

Dose descriptor:

LC50

Effect conc.:

> 86.23 mg/L

Basis for effect:

mortality (fish)

Effect concentrations 4

Duration:

96 h

Dose descriptor:

LC50

Effect conc.:

> 86.23 mg/L

Basis for effect:

mortality (fish)

Effect concentrations 5

Duration:

96 h

Dose descriptor:

NOEC

Effect conc.:

>= 86.23 mg/L

Details on results:

%Concentration loss over test: 32.2 ... 35