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The Geezer
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What is the difference between Perma Blue Liquid Gun Blue ...

Customer Question

What is the difference between Perma Blue Liquid Gun Blue by Birchwood Casey and 9 Gun Blue by Hoppes? Do they have the same ingredients?
Submitted: 9 years ago.
Category: General
Expert:  The Geezer replied 9 years ago.
From the Material Safety Data Sheet for Perma Blue Liquid Gun Blue by Birchwood Casey:

2. COMPOSITION / INFORMATION ON INGREDIENTS
DESCRIPTION CAS NUMBER WEIGHT PERCENT EXPOSURE LIMITS
Selenious Acid – H2SEO3 7783-00-8 <3 0.1 mg/m3 (as Se)

Cupric Sulfate – CuSO4.5H2O 7758-99-8 <3 1 mg/m3 (as Cu)

Nitric Acid – NHO3 7697-37-2 <3 5 mg/m3

Water – H2O 7732-18-5

Balance Not Established

Source:


Source: http://72.14.253.104/search?q=cache:kr9lpQWD_oIJ:intranet.risd.edu/envirohealth_msds/ID/BirchwoodCaseyPermaBlue.pdf+Perma+Blue+Liquid+Gun+Blue+Ingredients&hl=en&ct=clnk&cd=1&gl=us&client=firefox-a

Now, the ingredients for 9 Gun Blue by Hoppes:

Hoppe's #9
SECTION 4: HAZARDOUS INGREDIENTS
Ethyl Alcohol 64-17-5
Kerosene 8008-20-6
Trade Secret Ingredient(s)
Organic Ester Trade Secret
Ammonia, aqueous 7664-41-7

The source listed below has a long discussion about the health hazards indicated on the MSDS for the ingredients in Hoppes:

http://www.thehighroad.org/archive/index.php/t-36603.html

Just by comparing the list of ingredients you can see you are dealing with two different sets of chemicals!