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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Data is from authorative database.
Qualifier:
according to guideline
Guideline:
other: As mention below
Principles of method if other than guideline:
To determine the appearance of the 2-[(4-aminophenyl) amino]-5-nitrobenzenesulfonic acid
GLP compliance:
not specified
Specific details on test material used for the study:
Name of test material : 2-[(4-aminophenyl) amino]-5-nitrobenzenesulfonic acid
Molecular formula : C12H11N3O5S
Molecular weight : 309.301 g/mol
Physical Appearence : Solid
Smiles notation : O=S(=O)(O)c1c(Nc2ccc(N)cc2)ccc([N+]([O])=O)c1
InChl : GSITZZUEHIPPMH-UHFFFAOYSA-N
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid
Colour:
Brown to green
Odour:
faint
Substance type:
organic
Conclusions:
From the above source it is concluded that the 2-[(4-aminophenyl) amino]-5-nitrobenzenesulfonic acid solid is having faint odor & brown to green color.
Executive summary:

From the above source it is concluded that the 2-[(4-aminophenyl) amino]-5-nitrobenzenesulfonic acid is solid having faint odor & brown to green color.

Description of key information

From the available reliable source it is concluded that the 2 -[(4 -aminophenyl) amino]-5 -nitrobenzenesulfonic acid solid is having faint odor & brown to green color.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

Physical apearence of the 2-[(4-aminophenyl) amino]-5-nitrobenzenesulfonic acid from above relaible K2 source is appear solid having faint odor & brown to green color.