Chemical/Labware Guidelines

	A	B	C	D	E	G	H
1	Lab-stocked Labware
2	Lab-stocked Chemicals	Blue cassettes polypropylene	Cassette inserts from wafer boxes material varies	Glass beakers, crystallization dishes borofloat/pyrex	High Molecular Weight Flourinated Polymers PTFE = polytetrafluoroethene = Teflon E.g., solid white beakers, crystallization dishes PFA = perfluoroalkoxyalkanes, and ETFE = ethylene tetrafluoroethylene = Tefzel E.g., semi-clear dipper baskets, msink6,8 cassettes Important to distinguish from HDPE	HDPE Buckets High-density polyethylene	Hotplate restrictions

3	Water miscible solvents (acetone, IPA, methanol)	Allowed	Not allowed	Allowed	Allowed	Allowed	Only allowed with crystallization dishes and glass beakers, and must be in a water bath. Must stay below flash point of chemical or review with staff.
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5	water immiscible solvents (PRS-3000, 1165, NMP, etc.)	Allowed	Not allowed	Allowed	Allowed	Allowed	Only allowed with crystallization dishes and glass beakers, and must be in a water bath. Must stay below flash point of chemical or review with staff.
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7	Hydrofluoric acid (HF), buffered HF (BOE)	Allowed	Not allowed	Not allowed	Allowed	Allowed	not allowed
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9	Piranha (sulfuric acid + H2O2)	Not allowed	Not allowed	Allowed	Allowed	Not allowed	Only allowed in crystallization dishes and glass beakers. Be extremely careful touching hot glassware (let it cool down before you touch it).
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11	Other lab-stocked acids (nitric, phosphoric, acetic, hydrochloric, etchants)	Not allowed	Not allowed	Allowed	Allowed	Allowed	Only allowed with crystallization dishes and glass beakers
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13	Bases besides 25% TMAH (developers, ammonium hydroxide, ammonium fluoride)	Not allowed	Not allowed	Allowed	Allowed	Allowed	Only allowed with crystallization dishes and glass beakers
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15	25% TMAH - only allowed at msink4-tmah, no beaker-scale processing allowed	Not allowed	Not allowed	Not allowed	Allowed	Not allowed	Not allowed, though bath can be heated
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