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Sigma-Aldrich

Alkylbenzyldimethylammonium chloride

(50% solution in water) for synthesis

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Synonym(s):
Benzalkonium chloride (50% aqueous solution)

Quality Level

form

liquid

potency

500-2000 mg/kg LD50, oral (Rat)

pH

5-7 (20 °C, 10 g/L in H2O)

mp

-5 °C

transition temp

flash point 160-170 °C

density

0.978-0.988 g/cm3 at 20 °C

storage temp.

2-30°C

Application

  • Preservation of Cultural Heritage: Alkylbenzyldimethylammonium chloride have efficacy against microorganisms and is used in protecting painted cultural heritage objects (Alexandrova et al., 2024).
  • Evaluation in Glaucoma Treatments: The efficacy and safety of benzalkonium chloride-preserved intraocular pressure-lowering eye drops were analyzed, considering their impact on conjunctival goblet cells and implications for glaucoma treatment strategies (Nagstrup, 2023).

Analysis Note

Assay (argentometric): 49.0 - 51.0 %
Density (d 20 °C/ 4 °C): 0.980 - 0.990
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 2

flash_point_f

320.0 - 338.0 °F

flash_point_c

160 - 170 °C


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