AgCl Silver Chloride

Silver Chloride



Transmission Range

0.42 - 24.5 µm

Refractive Index

2.05678 @633nm µm

Reflection Loss 

10.82% @10.0 µm

Residual Beam Wavelength  

max. 81.5 µm


5.589 g/cm3

Melting point  


Molecular Weight 


Thermal Conductivity  

1.2 W/(m·K)

Spec. Heat Capacity  

355 J/(kg·K) @273K

Thermal Expansion  

31 @293-333K

Hardness (Mohs) 

9.5 (indenter load 200g)  

Young's Modulus 

22.9 GPa

Shear Modulus 

7.099 GPa

Bulk Modulus  

44.045 GPa

Rupture Modulus 

26 MPa

Elastic Coefficient 

C11 = 59.6; C12 = 36.1; C44 = 6.22 GPa

Dielectric Constant

12.3 (1MHz, 293K)

Solubility in Water 

0.00019g/100g @25°C

Crystal Structure  

cubic, NaCl type structure, a=5.547 Å

Crystal Type  

single crystal, synthetic  

Cleavage Planes 

No cleavage

Standard Diameter 

70 mm


IR optics


AgCl is very soft and shows (under pressure) cold liquidity. It is photochemical sensitive and the storage location has to be protected against light. It is corrosive in combination with metals, therefore binders has to consist of silver or teflon. AgCl is very useful for IR spektroscopy of soluble acids and corrosive bromic compounds. IR optical windows can be produced by the process of hot forging by which an accurately weighed slug of cleaned material is forged against polished dies to produce a finished component in a cost effective manner. AgCl is more sensitive to solarisation than AgBr. It is softer and has a smaller IR transmission range.

  • Insoluble in water
  • Manufacturing of windows and lenses by hot pressing is possible and a cheap way of production
NOTE: Despite careful research, we do not accept any liability for the correctness of the information provided. Liability claims based on the use of the information are excluded in principle.

AgCl – Silver Chloride: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.


Korth Kristalle

Am Jägersberg 3
24161 Altenholz

+49 (0)431 - 36 90 50
+49 (0)431 - 36 90 525



  • Insoluble in water
  • Manufacturing of windows and lenses by hot pressing is possible and a cheap way of production