Pure Gases    View Size Chart

Codes: CF = Cubic Feet     CP = Chemically Pure Grade     UHP = Ultra High Purity Grade     UPC = Ultra Pure Carrier Grade
Danger: This material is highly flammable. Please review your protocol for this gas use with ORS before purchasing. Please order the smallest reasonable size for your use and not larger than what you anticipate using within the next 6 months.
Danger: This material is highly oxidizing. It can cause fires when used with normally noncombustible materials. Please review your protocol for this gas use with ORS before purchasing. Please order the smallest reasonable size for your use and not larger than what you anticipate using within the next 6 months.
If you see the tank you want to order is highlighted below and you need assistance, please contact the office of reasearch safety. ors-operations@northwestern.edu

Tank	Tank Product Number	Price	Campus	Regulator	Size	Purity	Rental Per Month
ACETYLENE B SIZE	ACB	$54.49	Both	520 CGA	40 CF	99.6	$3.50
ACETYLENE SIZE 3	AC3	$86.85	Both	510 CGA	80 CF	99.6	$3.50
ACETYLENE SIZE 4	AC4	$96.05	Both	510 CGA	120 CF	99.6	$3.50
AIR DRY 300 CF	AID300	$32.87	Both	590 CGA	300 CF	N/A	$3.50
AIR E SIZE (SMALL)	AIUSPE	$65.80	Chicago	N/A	25 CF	N/A	$3.50
AIR USP (MEDICAL)	AIUSP300	$32.79	Both	346 CGA	300 CF	N/A	$3.50
AIR ZERO	AIZ300	$99.77	Both	590 CGA	300 CF	N/A	$3.50
AMMONIA	AMAH200	$378.55	Evanston	N/A	200 CF	N/A	$3.50
ARGON INDUSTRIAL	AR300	$49.13	Both	580 CGA	300 CF	INDUSTRIAL	$3.50
ARGON PREPURIFIED	ARPP300	$50.94	Both	580 CGA	300 CF	99.998	$3.50
ARGON RESEARCH GRADE	ARR300	$436.71	Evanston	CGA 580	300 CF	99.9997	$3.50
ARGON RESEARCH PLUS	ARRP300	$504.51	Evanston	580 CGA	300 CF	99.9999	$3.50
ARGON UHP	ARUHP300	$50.94	Both	580 CGA	300 CF	99.999	$3.50
CARBON DIOXIDE (food grade) 10 Lb	CDFG10	$30.96	Evanston	N/A	10 LB	99.9	$3.50
CARBON DIOXIDE (food grade) 20 LB	CDFG20	$35.12	Both	320 CGA	20 LB	99.9	$3.50
CARBON DIOXIDE (food grade) 20 LB Syphon	CDFG20S	$35.12	Evanston	320 CGA	20 LB	99.9	$3.50
CARBON DIOXIDE BONE DRY	CDBD200	$42.76	Both	320 CGA	200 CF	99.9	$3.50
CARBON DIOXIDE E SIZE (Small)	CDUSPE	$33.66	Both	N/A	25 CF	99.9	$3.50
CARBON DIOXIDE INDUSTRIAL	CD75	$32.49	Evanston	320 CGA	300 CF	INDUSTRIAL	$3.50
CARBON DIOXIDE RESEARCH	CDR200	$307.99	Evanston	320 CGA	200 CF	99.999	$3.50
CARBON DIOXIDE SYPHON	CD50S	$32.78	Both	320 CGA	200 CF	INDUSTRIAL	$3.50
CARBON MONOXIDE CP GRADE 300 CF	CMCP300	$400.88	Evanston	350 CGA	300 CF	99.5	$3.50
CARBON MONOXIDE CP GRADE 80 CF	CMCP80	$421.59	Evanston	350 CGA	80 CF	N/A	$3.50
CARBON MONOXIDE UHP (ALUMINUM) 150 CF	CMUHP15A	$932.01	Evanston	350 CGA	150 CF	99.9	$3.50
CARBON MONOXIDE UHP 300 CF	CMUHP300	$626.69	Evanston	350 CGA	300 CF	99.9	$3.50
ETHANE TECHNICAL PURE 35 CF	ETT35	$531.11	Both	350 CGA	35 CF	98.5	$3.50
ETHYLENE UHP 200 CF	EYUHP200	$241.99	Evanston	N/A	200 CF	99.9	$3.50
ETHYLENE UHP 80 CF	EYUHP80	$302.97	Evanston	N/A	80 CF	99.9	$3.50
HELIUM INDUSTRIAL 300 CF	HE300	$287.46	Evanston	580 CGA	300 CF	INDUSTRIAL	$3.50
HELIUM UHP	HEUHP300	$317.45	Both	580 CGA	300 CF	99.999	$3.50
HELIUM UPC	HEUPC300	$1,147.19	Both	580 CGA	300 CF	99.9995	$3.50
HYDROGEN INDUSTRIAL 200 CF	HY200	$26.89	Evanston	350 CGA	200 CF	INDUSTRIAL	$3.50
HYDROGEN RESEARCH GRADE	HYR300	$427.49	Evanston	350 CGA	300 CF	99.9999	$3.50
HYDROGEN UHP	HYUHP300	$84.78	Evanston	350 CGA	300 CF	99.999	$3.50
HYDROGEN UHP 35 CF	HYUHP35	$74.75	Evanston	350 CGA	35 CF	99.999	$3.50
HYDROGEN UHP 80 CF	HYUHP80	$94.03	Evanston	350 CGA	80 CF	99.999	$3.50
LIQUID ARGON UHP 230 LITERS	ARICP230LT230	$612.48	Evanston	580 CGA	230 LIT	99.999	$29.24
LIQUID HELIUM 100 LITERS (Price TBD)	LIQUID HELIUM 100 LITERS	$2,754.66	Both	N/A	100 LIT	N/A	$29.24
LIQUID HELIUM 250 LITERS (Price TBD)	HE250LT	$7,256.68	Both	N/A	250 LIT	N/A	$29.24
LIQUID NITROGEN 160 LITERS	NI160LT22	$84.63	Chicago	N/A	160 LIT	N/A	$29.24
LIQUID NITROGEN 230 LITERS 100 PSI	NI230LT100	$73.62	Evanston	N/A	230 LIT	N/A	$29.24
LIQUID NITROGEN 230 LITERS 22 PSI	NI230LT22	$73.62	Evanston	N/A	230 LIT	N/A	$29.24
LIQUID NITROGEN 230 LITERS 230 PSI	NI230LT230	$73.62	Evanston	N/A	230 LIT	N/A	$29.24
LIQUID NITROGEN 230 LITERS 50 PSI	NI230LT50	$73.62	Evanston	N/A	230 LIT	N/A	$29.24
LIQUID OXYGEN 160 LITERS	OX160LT230	$84.63	Chicago	N/A	160 LIT	N/A	$29.24
METHANE UHP 300 CF	MEUHP300	$705.31	Evanston	350 CGA	300 CF	99.99	$3.50
METHANE UHP 80 CF	MEUHP80	$323.78	Evanston	350 CGA	80 CF	99.99	$3.50
NITROGEN INDUSTRIAL	NI300	$35.12	Evanston	580 CGA	300 CF	INDUSTRIAL	$3.50
NITROGEN INDUSTRIAL 200 cf	NI200	$32.80	Chicago	580 CGA	200 CF	INDUSTRIAL	$3.50
NITROGEN INDUSTRIAL 40 CF (Small)	NI40	$26.67	Both	580 CGA	40 CF	99.998	$3.50
NITROGEN RESEARCH 300 cf	NIR300	$300.22	Evanston	580 CGA	300 CF	99.9999	$3.50
NITROGEN RESEARCH 35 CF	NIR35	$314.07	Evanston	N/A	35 CF	99.9997	$3.50
NITROGEN UHP	NIUHP300	$48.56	Both	580 CGA	300 CF	99.999	$3.50
NITROGEN UPC GRADE 300 CF	NIUPC300	$192.15	Both	580 CGA	300 CF	99.9993	$3.50
NITROGEN ZERO	NIZ300	$35.26	Both	580 CGA	300 CF	99.998	$3.50
NITROUS OXIDE 200 CF	NSUSP56	$186.10	Both	236 CGA	200 CF	99.6	$3.50
NITROUS OXIDE E SIZE	NSUSPE	$65.52	Both	N/A	25 CF	99.6	$3.50
O2 EXTRA DRY	OXED300	$38.68	Evanston	540 CGA	300 CF	N/A	$3.50
O2 INDUSTRIAL 125 CF	OX125	$24.99	Evanston	540 CGA	125 CF	INDUSTRIAL	$3.50
O2 INDUSTRIAL 300 CF	OX300	$39.76	Evanston	540 CGA	300 CF	INDUSTRIAL	$3.50
O2 UHP	OXUHP300	$124.58	Evanston	540 CGA	300 CF	99.994	$3.50
O2 USP (MEDICAL)	OXUSP200	$29.79	Both	540 CGA	200 CF	N/A	$3.50
O2 USP (MEDICAL) 300 CF	OXUSP300	$40.77	Evanston	540 CGA	300 CF	N/A	$3.50
O2 USP (MEDICAL) 40 CF	OXUSP40	$25.13	Evanston	540 CGA	40 CF	N/A	$3.50
O2 USP MEDICAL E SIZE (SMALL)	OXUSPME	$25.53	Both	870 CGA	25 CF	N/A	$3.50
PROPANE CP GRADE	PRCP200	$479.48	Evanston	510 CGA	200 CF	N/A	$3.50
Propane Industrial Grade (Forklift)	PR33A	$45.99	Evanston	N/A	33 LBS	N/A	$3.50
PROPELYNE CP 80 CF	PPCP80	$352.79	Evanston	N/A	80 CF	99.0	$3.50