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Metal Etchants
Phosphoric Acid Etching Mixture (17531)
PWS 80-16-4(65) Puranal (Nickel-ALU Etch)
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Overview
Specifications
General Information
- CAS Number
- 7664-38-2
- Grade
- SemEG
- Synonyms
- Etchant
Physical Properties
- Boiling Point/Range
- > 100 °C (1,013 hPa)
- Color
- Colorless
- Density
- 1.580 g/cm3 (20 °C)
- Flashpoint
- Not applicable
- Melting Point/Range
- No data available
- Odor
- Stinging
- Partition Coefficient
- No data available
- pH
- -0.5
- Physical Form
- Liquid
- Solubility in Water
- Completely miscible
- Vapor Pressure
- similar to water hectopascal
Safety Information
- Corrosivity
- Corrosive to metals
- Evaporation Rate
- No data available
- Flammability
- Not applicable
- Flammable Gas Formation
- Gives off hydrogen by reaction with metals.
- Ignition Temperature
- Not applicable
- Incompatible Materials
- Reactions with various metals, Reactions with strong alkalies
- Oxidizing
- The substance or mixture is not classified as oxidizing.
- Self Ignition
- Not auto-flammable
- Thermal Decomposition
- No decomposition if used as directed.
International Transportation
- Chemical Class
- 8
- Harmonized System Code
- 38249996
- Packing Group
- II
- UN Number
- 3264
General Information
- CAS Number
- 7664-38-2
- Grade
- SemEG
- Synonyms
- Etchant
Physical Properties
- Boiling Point/Range
- > 100 °C (1,013 hPa)
- Color
- Colorless
- Density
- 1.580 g/cm3 (20 °C)
- Flashpoint
- Not applicable
- Melting Point/Range
- No data available
- Odor
- Stinging
- Partition Coefficient
- No data available
- pH
- -0.5
- Physical Form
- Liquid
- Solubility in Water
- Completely miscible
- Vapor Pressure
- similar to water hectopascal
Safety Information
- Corrosivity
- Corrosive to metals
- Evaporation Rate
- No data available
- Flammability
- Not applicable
- Flammable Gas Formation
- Gives off hydrogen by reaction with metals.
- Ignition Temperature
- Not applicable
- Incompatible Materials
- Reactions with various metals, Reactions with strong alkalies
- Oxidizing
- The substance or mixture is not classified as oxidizing.
- Self Ignition
- Not auto-flammable
- Thermal Decomposition
- No decomposition if used as directed.
International Transportation
- Chemical Class
- 8
- Harmonized System Code
- 38249996
- Packing Group
- II
- UN Number
- 3264
- Grade : SemEG
- Synonyms : Etchant
- CAS Number : 7664-38-2
- Boiling Point/Range : > 100 °C (1,013 hPa)
- Flashpoint : Not applicable
- Physical Form : Liquid
- Density : 1.580 g/cm3 (20 °C)
- Vapor Pressure : similar to water hectopascal
- Solubility in Water : Completely miscible
- Partition Coefficient : No data available
- pH : -0.5
- Melting Point/Range : No data available
- Color : Colorless
- Odor : Stinging
- Corrosivity : Corrosive to metals
- Thermal Decomposition : No decomposition if used as directed.
- Self Ignition : Not auto-flammable
- Flammable Gas Formation : Gives off hydrogen by reaction with metals.
- Evaporation Rate : No data available
- Ignition Temperature : Not applicable
- Incompatible Materials : Reactions with various metals, Reactions with strong alkalies
- Oxidizing : The substance or mixture is not classified as oxidizing.
- Flammability : Not applicable
- Packing Group : II
- Harmonized System Code : 38249996
- UN Number : 3264
- Chemical Class : 8
