1.12268

Octyl sulfate sodium salt

for surfactant tests

• Synonym(s): Octyl sulfate sodium salt, Sodium octyl sulfate
• Empirical Formula (Hill Notation): C₈H₁₇NaO₄S
• CAS Number: 142-31-4
• Molecular Weight: 232.27
• MDL number: MFCD00007470
• UNSPSC Code: 12352107
• EC Index Number: 205-535-5
• NACRES: NA.22

Properties

• Quality Level: 200
• form: solid
• potency: 3200 mg/kg LD₅₀, oral (Rat)
• pH: 6-8 (20 °C, 10 g/L in H₂O)
• mp: 195 °C (decomposition)
• bulk density: 470 kg/m³
• storage temp.: no temp limit
• InChI: 1S/C8H18O4S.Na/c1-2-3-4-5-6-7-8-12-13(9,10)11;/h2-8H2,1H3,(H,9,10,11);/q;+1/p-1
• InChI key: WFRKJMRGXGWHBM-UHFFFAOYSA-M

Description

Application

• 
  Matrix-assisted laser desorption/ionization: Sodium octyl sulfate was evaluated as a matrix in MALDI-TOF MS for amino acids, showcasing its potential in enhancing ionization efficiency in proteomic analyses (Yazdabadi et al., 2021).
  


• 
  Ultrasonic synthesis of stable oil filled microcapsules: This study explores the ultrasonic synthesis of oil-filled microcapsules using thiolated chitosan, potentially involving derivatives like ᴅʟ-N-Acetylhomocysteine thiolactone for improved stability and functional properties. The research provides insights into advanced microencapsulation techniques relevant in pharmaceutical and industrial applications (Source).
  

Analysis Note

Assay (acidimetric; calculated on dried substance): ≥ 99
Identity (IR-spectrum): passes test
Chloride (Cl): ≤ 0.1 %
Heavy metals (as Pb): ≤ 0.004 %
Free octanol (GC): ≤ 0.1 %
Sulfated ash: 29.0 - 32.0 %
Loss on drying (60 °C; vacuum): ≤ 1

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2