3-aminobenzenesulphonic acid

Stability: thermal, sunlight, metals

Administrative data

Endpoint:

stability: thermal, sunlight, metals, other

Remarks:

Migrated from section 'Stability: thermal, sunlight, metals'

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2013

Report date:

2013

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 113 (Screening Test for Thermal Stability and Stability in Air)

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

3-aminobenzenesulphonic acid

EC Number:

204-473-6

EC Name:

3-aminobenzenesulphonic acid

Cas Number:

121-47-1

Molecular formula:

C6H7NO3S

IUPAC Name:

3-aminobenzene-1-sulfonic acid

Details on test material:

- Name of test material (as cited in study report): 3-aminobenzene sulphonic acid; metanilic acid
- Analytical purity: 99.6% (neutralization titration), 98.3% (HPLC)
- Lot/batch No.: 45JPG

Results and discussion

For thermal stability study

Test substance thermally stable:

no

Operating temperature

Operating temp.:

30 - 500 °C

Remarks on result:

other: 1st reaction: onset temperature 320 °C, peak temperature 342 °C, energy release 30 J/g. 2nd reaction: onset temperature 430 °C, peak temperature 468 °C, energy release >50 J/g.

Any other information on results incl. tables

Test parameters
Apparatus:	Mettler TA 8000
Sample containers:	closed high pressure cell made of V4A
Sample weight:	13.4 mg
Reference material:	empty container
Heating rate:	2.5 °C/min
Temperature range:	from 30 °C to 500 °C
Results
1st reaction:
Onset temperature:	320 °C
Peak temperature:	342 °C
Energy release:	30 J/g
2nd reaction:
Onset temperature:	430 °C
Peak temperature:	468 °C
Energy release:	>50 J/g