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Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2020
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
2020

Materials and methods

Test guideline
Qualifier:
no guideline followed
Guideline:
other: expert judgment
Principles of method if other than guideline:
visual judgment of an expert
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium,sodium 2,4-diamino-3-[4-(2-sulfonatoethoxysulfonyl)phenylazo]-5-[4-(2-sulfonatoethoxysulfonyl)-2-sulfonatophenylazo]-benzenesulfonate
EC Number:
422-980-2
EC Name:
Potassium,sodium 2,4-diamino-3-[4-(2-sulfonatoethoxysulfonyl)phenylazo]-5-[4-(2-sulfonatoethoxysulfonyl)-2-sulfonatophenylazo]-benzenesulfonate
Cas Number:
187026-95-5
Molecular formula:
C22H24N6Na2K2O18S6
IUPAC Name:
dipotassium disodium 2,4-diamino-5-(2-{2-sulfo-4-[2-(sulfooxy)ethanesulfonyl]phenyl}diazen-1-yl)-3-(2-{4-[2-(sulfooxy)ethanesulfonyl]phenyl}diazen-1-yl)benzene-1-sulfonate
Test material form:
solid: particulate/powder

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
solid: particulate/powder
Colour:
Orange
Odour:
odourless
Substance type:
organic

Applicant's summary and conclusion