1.00684

Sulfanilic acid

for elemental analysis

• Synonym(s): Sulfanilic acid, 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid
• Empirical Formula (Hill Notation): C₆H₇NO₃S
• CAS Number: 121-57-3
• Molecular Weight: 173.19
• UNSPSC Code: 12352106
• EC Index Number: 204-482-5
• NACRES: NA.21
• MDL number: MFCD00007886
• Form: solid

Properties

• Quality Segment: 100
• 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: 10 g/L
• density: 1.485 g/cm³ at 25 °C
• bulk density: 620 kg/m³
• storage temp.: 15-25°C
• SMILES string: [S](=O)(=O)(O)c1ccc(cc1)N
• 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

Description

General description

for elemental analysis

Application

Sulfanilic acid standard for elemental analysis for analysis. CAS 121-57-3, EC Number 204-482-5, chemical formula NH₂C₆H₄SO₃H.

Analysis Note

Identity (IR-spectrum)conformsC content (mean value fivefold determination)41.3 - 41.8 %H content (mean value fivefold determination)3.9 - 4.3 %N-content (mean value fivefold determination)7.7 - 8.3 %O content (mean value fivefold determination)27.5 - 28.5 %S content (mean value fivefold determination)18.2 - 18.8 %Water (according to Karl Fischer)≤ 0.5 %Suitable for determination of C,H,N,O,S

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315 - H317 - H319
• pcodes: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
• Storage Class: 13 - Non Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable