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8.22338

Sigma-Aldrich

Sulfanilic acid

for synthesis

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Synonym(s):
Sulfanilic acid, 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid
Empirical Formula (Hill Notation):
C6H7NO3S
CAS Number:
Molecular Weight:
173.19
MDL number:
UNSPSC Code:
12352106
EC Index Number:
204-482-5
NACRES:
NA.22

Quality Level

assay

≥99% substance (anhydrous) basis (acidimetric)

form

solid

autoignition temp.

>400 °C

potency

12300 mg/kg LD50, oral (Rat)

pH

2.5 (20 °C, 10 g/L in H2O)

mp

288 °C (decomposes)

solubility

water: 10 g/L at 20 °C

density

1.485 g/cm3 at 25 °C

bulk density

620 kg/m3

storage temp.

2-30°C

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric, calc. on anhydrous substance): ≥ 99.0 %
Loss on drying (110 °C 2h): ≤ 2.0 %
Identity (IR): passes test

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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