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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:
63-74-1
Molecular Weight:
172.20
UNSPSC Code:
12352111
EC Index Number:
200-563-4
NACRES:
NB.21
MDL number:
MFCD00007939
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agency

reag. Ph. Eur.

Quality Level

100

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 %

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

1117990000: + 1.11799.0100: + 1117990100:

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