Ammonium dichromate

From PyroGuide

Formula: (NH₄)₂Cr₂O₇

Synonyms: Ammonium Pyrochromate

Description: Ammonium dichromate is sometimes used to suppress the reaction of magnesium in an ammonium perchlorate-type composition. In this case it is better than potassium dichromate, which is normally used for this purpose.

Hazards: Ammonium dichromate is one of the most hazardous pyro chemicals. It is explosive as a standalone and listed T+ because of it´s nature as a potential carcinogene. It is absorbed through the skin, and is corrosive. Maximum safety measures necessary!!!

Hazard symbols: O, T+, E, N, Xi, Carc.

MSDS:

http://www.jtbaker.com/msds/englishhtml/a5760.htm

http://www.sciencelab.com/xMSDS-Ammonium_dichromate-9927073