Chemicals Requiring Purchase Approval
List of High Hazard Chemicals
The select high hazard chemicals identified below have been classified as particularly hazardous due to the increased fire, health, and/or reactivity risks and require prior approval for purchasing of new materials, or handling and storage of existing material.
| Compound | CAS # | Exempt Quantity |
|
Anhydrous Ammonia |
7664-41-7 |
None |
|
Anhydrous Hydrogen Bromide |
10035-10-6 |
None |
|
Anhydrous Hydrogen Chloride |
7647-01-0 |
None |
|
Anhydrous Hydrogen Fluoride |
7664-39-3 |
None |
|
Arsine |
7784-42-1 |
None |
|
Azide Compounds |
various |
None |
|
Benzoyl Peroxide |
94-36-0 |
None |
|
Boron Trichloride |
10294-34-5 |
None |
|
Boron Trifluoride |
7637-07-2 |
None |
|
Carbon Monoxide |
630-08-0 |
None |
|
Chlorine |
7782-50-5 |
None |
|
Chloropicrin |
76-06-2 |
None |
|
Cyanide Salts |
various |
None |
|
Cyanogen |
460-19-5 |
None |
|
Cyanogen Chloride |
506-77-4 |
None |
|
Diborane |
19287-45-7 |
None |
|
Dichloromethane |
75-09-2 |
None |
|
Dichlorosilane |
4109-96-0 |
None |
|
Dimethylmercury and Other Organomercury Compounds |
various |
None |
|
Dinitro Compounds (precursors to TNT) |
various |
None |
|
Disilane |
1590-87-0 |
None |
|
Formaldehyde |
50-00-0 |
None |
|
Fluorine |
7782-41-4 |
None |
|
Fuming Nitric Acid (>80%) |
7697-37-2 |
None |
|
Germane |
7782-65-2 |
None |
|
Hexaethyltetraphosphate |
757-58-4 |
None |
|
HMX (Octogen) |
2691-41-0 |
None |
|
Hydrofluoric Acid |
7664-39-3 |
None |
|
Hydrogen Cyanide |
74-90-8 |
None |
|
Hydrogen Selenide |
7783-07-5 |
None |
|
Hydrogen Sulfide |
7783-06-4 |
None |
|
Mercury |
7439-97-6 |
None |
|
Nitric Oxide |
10102-43-9 |
None |
|
Nitrogen Dioxide |
10102-44-0 |
None |
|
Nitrogen Trioxide |
10102-44-0 |
None |
|
Nitrogen Tetroxide |
10544-72-6 |
None |
|
Perchloric Acid |
7601-90-3 |
None |
|
Phosgene |
75-44-5 |
None |
|
Phosphine |
7803-51-2 |
None |
|
Picric Acid |
88-89-1 |
None |
|
RDX (hexogen) |
121-82-4 |
None |
|
Silane |
7803-62-5 |
None |
|
Silicon Tetrachloride |
10026-04-7 |
None |
|
Sodium-Potassium Alloy |
11135-81-2 |
None |
|
TNT |
118-96-7 |
None |
|
Trimethylaluminum |
75-24-1 |
None |
Contact Lab Safety
Email: labsafety@northeastern.edu
Phone: 617.373.2769