1.11799
Sulfanilamide
GR for analysis Reag. Ph Eur
Synonym(s):
Sulfanilamide, 4-Aminobenzenesulfonamide
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About This Item
Empirical Formula (Hill Notation):
C6H8N2O2S
CAS Number:
Molecular Weight:
172.20
UNSPSC Code:
12352111
EC Index Number:
200-563-4
NACRES:
NB.21
MDL number:
eCl@ss:
39093202
agency
reag. Ph. Eur.
Quality Level
vapor pressure
0.00001 hPa ( 70 °C)
form
solid
potency
3900 mg/kg LD50, oral (Rat)
pH
5.8-6.1 (20 °C, 5 g/L in H2O)
mp
162.8 °C
density
1.54 g/cm3 at 20.3 °C
bulk density
500 kg/m3
storage temp.
15-25°C
SMILES string
[S](=O)(=O)(N)c1ccc(cc1)N
InChI
1S/C6H8N2O2S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H2,8,9,10)
InChI key
FDDDEECHVMSUSB-UHFFFAOYSA-N
Application
Sulfanilamide is used in colorimetric analysis to detect nitrites in water and food. It reacts with nitrites to form a colored azo dye, which can be quantitatively measured, making it valuable for assessing water quality and identifying contamination.
Analysis Note
Assay (bromometric, calc. on dried substance): ≥ 99
Identity (IR-spectrum): passes test
Melting range (lower value): 163 - 166
Melting range (upper value): 163 - 166
Alkali-insoluble impurities: passes test
Acid-insoluble impurities: passes test
Chloride (Cl): ≤ 0.01 %
Sulphate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.002 %
Sulfated ash: ≤ 0.1 %
Loss on Drying (105°C): ≤ 0.5 %
Identity (IR-spectrum): passes test
Melting range (lower value): 163 - 166
Melting range (upper value): 163 - 166
Alkali-insoluble impurities: passes test
Acid-insoluble impurities: passes test
Chloride (Cl): ≤ 0.01 %
Sulphate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.002 %
Sulfated ash: ≤ 0.1 %
Loss on Drying (105°C): ≤ 0.5 %
Other Notes
Replaces: SX1150-2; SX1150
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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