6 Colo. Code Regs. § 1010-6-B2
Appendix B2 - Restricted Chemicals (Demonstration Use Only) | ||||
Name | Formula | CAS # | Hazard* | Shelf Life1 |
Aluminum Chloride, Anhydrous (25 g limit) | AlCl3 | 7446-70-0 | air-and water-reactive; fumes in moist air form toxic gas | Good |
Ammonium Dichromate (100 g limit) | (NH4)2Cr2O7 | 7789-09-5 | oxidizer; chromium (VI) compounds arecarcinogenic to humans | Fair |
Ammonium Persulfate (100 g limit) | (NH4)2S2O8 | 7727-54-0 | strong oxidizer; explosion hazard | Indefinite |
Antimony Metal (50 g limit) | Sb | 7440-36-0 | poison; combustible powder; strong reducing agent | Indefinite |
Bromine (3 - 1 g ampules limit) | Br2 | 7726-95-6 | strong oxidizer; reacts violently with organics; acutely toxic by inhalation and ingestion | Indefinite |
Calcium Carbide (100 g limit) | CaC2 | 75-20-7 | water-reactive; reacts violently with water to generate acetylene gas; serious fire risk | Good |
Chromium Oxide (Chromic Oxide) (20 g limit) | Cr2O3 | 1308-38-9 | strong oxidizer; poison; corrosive | Indefinite |
Collodion (a solution of pyroxylin in ether and alcohol) (100 mL limit) | C25H33O13(NO3)7 | 9004-70-0 | highly flammable | Fair |
Cyclohexanone (100 mL limit) | C6H10O | 108-94-1 | highly flammable; vapors may travel a considerable distance and ignite; may form explosive peroxides | Indefinite |
Cyclohexene (100 mL limit) | C6H10 | 110-83-8 | highly flammable; vapors may travel a considerable distance and ignite; may form explosive peroxides | Poor |
Cyclopentanone (100 mL limit) | C5H8O | 120-92-3 | highly flammable; vapors may travel a considerable distance and ignite; may form explosive peroxides | Good |
Diglyme (Diethylene Glycol Dimethyl Ether) (500 mL limit) | (CH3O)CH2 | 111-96-6 | combustible; oxidizes readily in air to form explosive peroxides | Limited; refer to expiration date on label |
Dinitrophenylhydrazine (100 g limit) | C6H6N4O4 | 119-26-6 | flammable solid; explosive when dry | Good |
Hydrides, Borohydrides (e.g., aluminum borohydride, aluminum hydride, magnesium lauminum hydride, phosphorous hydride, sodium borohydride)(100 g limit) | Unavailable | strong reducing agents; air-and water-reactive | sodium borohydride: indefinite, phosporous hydride, magnesium lauminum hydride, aluminum hydride, aluminum borohydride: limited; refer to expiration date on label | |
Hydrogen (limited to lecture bottle of 4 cu. ft. or less) | H2 | 13333-74-0 | flammable gas; burns with a pale blue, almost invisible flame; may displace oxygen, which could cause asphyxiation; compressed gas cylinder hazards | Indefinite |
Lithium (20 g limit) | Li | 7439-93-2 | water-reactive; highly flammable solid; readily ignited by and reacts with man y extinguishing agents | Indefinite |
Magnesium (turnings) (100 g limit) | Mg | 7439-95-4 | water-reactive; flammable solid; strong reducing agent | Indefinite |
Methyl Isobutyl Ketone (4-Methyl-2-Pentanone or MIBK) (250 mL limit) | CH3COCH2CH(CH) | 108-10-1 | highly flammable; vapors may travel a considerable distance and ignite; may form explosive peroxides; possibly carcinogenic to humans | Fair to poor |
Pentane (100 mL limit) | C5H12 | 109-66-0 | highly flammable | Indefinite |
Phosphorus, Red (Amorphous) (50 g limit) | P | 7723-14-0 | water-reactive; flammable solid; can change to white phosphorus if heated; strong reducing agent; acutely toxic | Indefinite |
Potassium (1-container with 5 demonstration-size pieces) | K | 7440-09-7 | violently water-reactive; may form explosive peroxides; combustible; flammable solid; ignites when exposed to water or moisture; may ignite spontaneously in air; | Poor |
Potassium Chlorate (100 g limit) | KClO3 | 3811-04-9 | explosive; strong oxidizer | Indefinite |
Silver Oxide (100 g limit) | Ag2O | 20667-12-3 | strong oxidizer; contact with other material may cause fire | Indefinite |
Sodium (100 g limit) | Na | 7440-23-5 | violently water-reactive; strong reducing agent; flammable solid; may ignite spontaneously in air | Good |
Wright's Stain (Hg Containing) (100 mL limit) | UNDEFINED | 68988-92-1 | contains mercury; poison; acutely toxic | Indefinite |
* The hazard information provided for the listed chemicals is not intended to address all safety concerns. Before attempting to work with any chemical, review and comply with information provided on the SDS.
1 Chemicals with an indefinite shelf life may be stored in the school for up to five years. Chemicals with a shelf life less than indefinite (limited, poor, fair, and good) may be stored in the school for up to one year unless the manufacturer indicates a lesser period of time in which the chemical shall be used.
6 CCR 1010-6-B2