ChemicalResistance
ChemicalResistance.org

Silver Nitrate Chemical Resistance

Resistance ratings for 24 plastics, elastomers and metals at 20 °C and 50 °C. Listed at 2 concentrations, because the rating depends on it.

At a glance

Based on the row for concentration not stated, 20 °C.

Rated A, very good resistance
PTFE, HDPE, PP, PVDF, PVC Rigid, EPDM, Viton (FPM), SS 316, SS 304, LDPE, FEP, ECTFE/ETFE, Nylon (PA), Acetal (POM), Polycarbonate, PVC Flexible, Polysulfone, PMP, SAN (19)
Rated B, good resistance
Polystyrene, PETG (2)
Rated C, limited resistance
NBR (1)
Rated D, not resistant
Aluminium (1)
No data in the source
Silicone
Rated lower at 50 °C than at 20 °C
PP (A → B), PVC Rigid (A → B), LDPE (A → B), PVC Flexible (A → C), Polystyrene (B → C), SAN (A → B)

Based on the row for concentration not stated, 20 °C.

Rating profile by material family

Silver Nitrate: Rating profile by material familyThermoplastics: 11 A, 2 B. Fluoropolymers: 4 A. Elastomers: 2 A, 1 C, 1 no data. Metals: 2 A, 1 D.Thermoplastics (13)Thermoplastics: 11 × A, very good resistance (HDPE, LDPE, PP, PVC Rigid, PVC Flexible, PMP, SAN, Polycarbonate, Acetal (POM), Nylon (PA), Polysulfone)A 11Thermoplastics: 2 × B, good resistance (Polystyrene, PETG)B 2Fluoropolymers (4)Fluoropolymers: 4 × A, very good resistance (PTFE, FEP, PVDF, ECTFE/ETFE)A 4Elastomers (4)Elastomers: 2 × A, very good resistance (EPDM, Viton (FPM))A 2Elastomers: 1 × C, limited resistance (NBR)C 1Elastomers: 1 × no data (Silicone)– 1Metals (3)Metals: 2 × A, very good resistance (SS 316, SS 304)A 2Metals: 1 × D, not resistant (Aluminium)D 1
A very good resistanceB good resistanceC limited resistanceD not resistantno data
Number of materials in each family with each rating at 20 °C.

Effect of temperature, 20 °C to 50 °C

Silver Nitrate: Effect of temperature, 20 °C to 50 °CLDPE A → B; PP A → B; PVC Rigid A → B; PVC Flexible A → C; Polystyrene B → C; SAN A → B.ABCDLDPE: A at 20 °C, B at 50 °CLDPEPP: A at 20 °C, B at 50 °CPPPVC Rigid: A at 20 °C, B at 50 °CPVC RigidPVC Flexible: A at 20 °C, C at 50 °CPVC FlexiblePolystyrene: B at 20 °C, C at 50 °CPolystyreneSAN: A at 20 °C, B at 50 °CSAN
20 °C50 °C
Materials whose rating differs between 20 °C and 50 °C. Materials not shown keep their rating or have no 50 °C value.

Substance

CAS number
7761-88-8
Formula
AgNO3
Hazard symbols in the source
C (corrosive) (pre-GHS European symbols; check the current safety data sheet)
Concentrations listed
aqueous; concentration not stated
Name in the source (German)
Silbernitrat

Rating by concentration

Silver Nitrate: Rating by concentrationHDPE: aqueous A, concentration not stated A. LDPE: aqueous –, concentration not stated A→B. PP: aqueous A, concentration not stated A→B. PVC Rigid: aqueous –, concentration not stated A→B. PVC Flexible: aqueous –, concentration not stated A→C. PMP: aqueous –, concentration not stated A. Polystyrene: aqueous –, concentration not stated B→C. SAN: aqueous –, concentration not stated A→B. Polycarbonate: aqueous A, concentration not stated A. PETG: aqueous B*, concentration not stated B*. Acetal (POM): aqueous A, concentration not stated A. Nylon (PA): aqueous A, concentration not stated A. Polysulfone: aqueous –, concentration not stated A. PTFE: aqueous A, concentration not stated A. FEP: aqueous A, concentration not stated A. PVDF: aqueous A, concentration not stated A. ECTFE/ETFE: aqueous –, concentration not stated A. EPDM: aqueous A, concentration not stated A. Viton (FPM): aqueous A, concentration not stated A. NBR: aqueous C, concentration not stated C. SS 316: aqueous A, concentration not stated A. SS 304: aqueous A, concentration not stated A. Aluminium: aqueous D, concentration not stated D.aqueousconcentrationnot statedTHERMOPLASTICSHDPEHDPE, aqueous: A at 20 °C, A at 50 °CAHDPE, concentration not stated: A at 20 °C, A at 50 °CALDPELDPE, aqueous: no data–LDPE, concentration not stated: A at 20 °C, B at 50 °CA→BPPPP, aqueous: A at 20 °C, A at 50 °CAPP, concentration not stated: A at 20 °C, B at 50 °CA→BPVC RigidPVC Rigid, aqueous: no data–PVC Rigid, concentration not stated: A at 20 °C, B at 50 °CA→BPVC FlexiblePVC Flexible, aqueous: no data–PVC Flexible, concentration not stated: A at 20 °C, C at 50 °CA→CPMPPMP, aqueous: no data–PMP, concentration not stated: A at 20 °C, A at 50 °CAPolystyrenePolystyrene, aqueous: no data–Polystyrene, concentration not stated: B at 20 °C, C at 50 °CB→CSANSAN, aqueous: no data–SAN, concentration not stated: A at 20 °C, B at 50 °CA→BPolycarbonatePolycarbonate, aqueous: A at 20 °C, A at 50 °CAPolycarbonate, concentration not stated: A at 20 °C, A at 50 °CAPETGPETG, aqueous: B at 20 °C (estimate)B*PETG, concentration not stated: B at 20 °C (estimate)B*Acetal (POM)Acetal (POM), aqueous: A at 20 °CAAcetal (POM), concentration not stated: A at 20 °CANylon (PA)Nylon (PA), aqueous: A at 20 °CANylon (PA), concentration not stated: A at 20 °CAPolysulfonePolysulfone, aqueous: no data–Polysulfone, concentration not stated: A at 20 °C, A at 50 °CAFLUOROPOLYMERSPTFEPTFE, aqueous: A at 20 °C, A at 50 °CAPTFE, concentration not stated: A at 20 °C, A at 50 °CAFEPFEP, aqueous: A at 20 °C, A at 50 °CAFEP, concentration not stated: A at 20 °C, A at 50 °CAPVDFPVDF, aqueous: A at 20 °C, A at 50 °CAPVDF, concentration not stated: A at 20 °C, A at 50 °CAECTFE/ETFEECTFE/ETFE, aqueous: no data–ECTFE/ETFE, concentration not stated: A at 20 °C, A at 50 °CAELASTOMERSEPDMEPDM, aqueous: A at 20 °CAEPDM, concentration not stated: A at 20 °CAViton (FPM)Viton (FPM), aqueous: A at 20 °C, A at 50 °CAViton (FPM), concentration not stated: A at 20 °C, A at 50 °CANBRNBR, aqueous: C at 20 °C, C at 50 °CCNBR, concentration not stated: C at 20 °C, C at 50 °CCMETALSSS 316SS 316, aqueous: A at 20 °C, A at 50 °CASS 316, concentration not stated: A at 20 °C, A at 50 °CASS 304SS 304, aqueous: A at 20 °C, A at 50 °CASS 304, concentration not stated: A at 20 °C, A at 50 °CAAluminiumAluminium, aqueous: D at 20 °C, D at 50 °CDAluminium, concentration not stated: D at 20 °C, D at 50 °CD
A very good resistanceB good resistanceC limited resistanceD not resistantno data
Each cell shows the rating at 20 °C. Where the rating at 50 °C differs, it follows the arrow. * marks an estimate in the source.
Show as a table
Materialaqueousconcentration not stated
Thermoplastics
HDPEAA
LDPE–A
PPAA
PVC Rigid–A
PVC Flexible–A
PMP–A
Polystyrene–B
SAN–A
PolycarbonateAA
PETGB*B*
Acetal (POM)AA
Nylon (PA)AA
Polysulfone–A
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
ECTFE/ETFE–A
Elastomers
EPDMAA
Viton (FPM)AA
NBRCC
Silicone––
Metals
SS 316AA
SS 304AA
AluminiumDD

* estimated rating, given in the source without a temperature

Resistance table: Silver Nitrate, aqueous

Remark: Höllenstein

Material20 °C50 °CRemark
Thermoplastics
HDPEAA
PPAA
PolycarbonateAA
PETGB*–
Acetal (POM)A–
Nylon (PA)A–
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
Elastomers
EPDMA–
Viton (FPM)AA
NBRCC
Metals
SS 316AA
SS 304AA
AluminiumDD

* estimated rating, given in the source without a temperature

Not rated in the source, so not in the table: LDPE, PVC Rigid, PVC Flexible, PMP, Polystyrene, SAN, Polysulfone, ECTFE/ETFE, Silicone

Resistance table: Silver Nitrate, concentration not stated

Remark: Höllenstein

Material20 °C50 °CRemark
Thermoplastics
HDPEAA
LDPEAB
PPAB
PVC RigidAB
PVC FlexibleAC
PMPAA
PolystyreneBC
SANAB
PolycarbonateAA
PETGB*–
Acetal (POM)A–
Nylon (PA)A–
PolysulfoneAA
Fluoropolymers
PTFEAA
FEPAA
PVDFAA
ECTFE/ETFEAA
Elastomers
EPDMA–
Viton (FPM)AA
NBRCC
Metals
SS 316AA
SS 304AA
AluminiumDD

* estimated rating, given in the source without a temperature

Not rated in the source, so not in the table: Silicone

Rating scale

A rating marked * is an estimate in the source, not a test result. An estimate is given as one value without a temperature.

Frequently Asked Questions

Which materials resist Silver Nitrate at high concentrations?

The materials with an A rating (resistant) for Silver Nitrate at 20 °C are: PTFE, HDPE, PP, PVDF, PVC Rigid, EPDM, Viton (FPM), SS 316. These can generally be used in direct contact.

Which materials should be avoided with Silver Nitrate?

Materials rated D (not resistant) for Silver Nitrate are: Aluminium. These should not be used in contact with Silver Nitrate.

Does temperature affect chemical resistance to Silver Nitrate?

Yes. 6 of 19 tested materials show a worse rating at 50 °C than at 20 °C for Silver Nitrate. Materials affected include: PP, PVC Rigid, LDPE, PVC Flexible, Polystyrene, SAN.

Is PTFE safe for Silver Nitrate?

PTFE is rated A for Silver Nitrate at 20 °C. A rating of A means resistant, B means limited resistance, C means partly resistant, and D means not resistant.

Does concentration affect chemical resistance to Silver Nitrate?

Yes. Silver Nitrate is tested at 2 concentrations (aqueous, concentration not stated). Some materials change their rating depending on the concentration.

About this data

The ratings come from the chemical resistance list published by Bürkle GmbH, which compiled them from raw-material manufacturers’ data. They describe laboratory tests on the raw material at 20 °C and 50 °C.

A finished part also sees pressure, mechanical stress, welds and mixtures that a laboratory test does not. Treat the rating as a first filter and test under your own conditions before relying on it.

Chemicals with a similar resistance profile

Same 20 °C rating on the share of materials shown.