Laboratory Flasks | McMaster-Carr

	Capacity Capacity

	Material Material

Glass

Plastic

	Height Height

	Diameter Diameter

	Color Color

	Clear
	White

	Mouth ID Mouth ID

	Maximum Temperature Maximum Temperature

	Mouth OD Mouth OD

	Graduation Marks Graduation Marks

	For Plug Trade Size For Plug Trade Size

6.5

	Graduated Graduated

Yes

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Lid Material Lid Material

Polypropylene Plastic

Polyethylene Plastic

Phenolic Plastic

	Lid Type Lid Type

Threaded

Tight Fitting

	Lid Color Lid Color

	White
	Yellow
	Black

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32 Products

Glass Flasks

Flasks

			Mouth
Cap.	Dia.	Ht.	OD	ID	For Plug Trade Size	Graduation Marks	Color	Max. Temp., °F	Autoclavable	Features		Each
Borosilicate Glass
50 ml / 1.7 fl. oz.	2 1/8"	3"	1"	5/8"	1	10 ml	Clear	840°	Yes	Write-On Label	0000000	000000
125 ml / 4.2 fl. oz.	2 5/8"	4 1/4"	1 1/8"	1"	5	25 ml	Clear	930°	Yes	Write-On Label	0000000	0000
125 ml / 4.2 fl. oz.	2 5/8"	4 1/4"	1 1/4"	1 1/8"	6	25 ml	Clear	930°	Yes	Write-On Label	0000000	00000
250 ml / 8.5 fl. oz.	3"	5 1/8"	1 1/2"	1 3/8"	8	25 ml	Clear	930°	Yes	Write-On Label	0000000	00000
250 ml / 8.5 fl. oz.	3 1/4"	5 1/8"	1 1/4"	1 1/8"	6	25 ml	Clear	930°	Yes	Write-On Label	0000000	00000
500 ml / 16.9 fl. oz.	3 7/8"	6 3/4"	2 1/4"	1 7/8"	10	50 ml	Clear	930°	Yes	Write-On Label	0000000	00000
500 ml / 16.9 fl. oz.	4"	6 7/8"	1 3/8"	1 1/4"	7	50 ml	Clear	930°	Yes	Write-On Label	0000000	00000
1,000 ml / 34 fl. oz.	4 3/4"	8 1/2"	2 1/4"	2"	11	50 ml	Clear	930°	Yes	Write-On Label	0000000	00000
1,000 ml / 34 fl. oz.	5"	8 3/8"	1 3/4"	1 1/2"	9	50 ml	Clear	930°	Yes	Write-On Label	0000000	00000
2,000 ml / 68 fl. oz.	6 3/8"	10 3/8"	2 3/4"	2 3/8"	13	200 ml	Clear	930°	Yes	Write-On Label	0000000	00000
4,000 ml / 1.1 gal.	8 1/8"	14"	2 3/8"	1 7/8"	10	250 ml	Clear	840°	Yes	Write-On Label	0000000	000000

Flasks with Lid

			Mouth							Lid
Cap.	Dia.	Ht.	OD	ID	For Plug Trade Size	Graduation Marks	Color	Max. Temp., °F	Autoclavable	Type	Material	Color	Features		Each
Borosilicate Glass
125 ml / 4.2 fl. oz.	2 5/8"	4 1/2"	7/8"	5/8"	1	25 ml	Clear	930°	Yes	Threaded	Phenolic Plastic	Black	Write-On Label	0000000	000000
250 ml / 8.5 fl. oz.	3 1/4"	5"	1"	3/4"	3	25 ml	Clear	930°	Yes	Threaded	Phenolic Plastic	Black	Write-On Label	0000000	00000
500 ml / 16.9 fl. oz.	4"	6 7/8"	1 3/8"	1 1/8"	6.5	50 ml	Clear	930°	Yes	Threaded	Phenolic Plastic	Black	Write-On Label	0000000	00000
1,000 ml / 34 fl. oz.	5"	8 1/2"	1 3/8"	1 1/8"	6.5	50 ml	Clear	930°	Yes	Threaded	Phenolic Plastic	Black	Write-On Label	0000000	00000

Glass Boiling Flasks

The spherical body and uniform wall thickness allow even heat distribution.

Cap.				Mouth
ml	fl. oz.	Dia.	Ht.	OD	ID	For Plug Trade Size	Color	Max. Temp., °F	Autoclavable	Features		Each
Borosilicate Glass
125	4.2	2 1/2"	4 1/2"	1 1/4"	1"	4	Clear	930°	Yes	Write-On Label	0000000	000000
250	8.5	3 1/4"	5 1/4"	1 1/4"	1"	4	Clear	930°	Yes	Write-On Label	0000000	00000
500	16.9	4"	6 1/8"	1 1/4"	1"	4	Clear	930°	Yes	Write-On Label	0000000	00000
1,000	34	5 1/8"	7 1/8"	1 1/4"	1"	4	Clear	930°	Yes	Write-On Label	0000000	00000

Glass Mixing Flasks

Also known as volumetric flasks, these have a wide base and long neck for fast mixing. A fill line indicates the capacity. Remove lids before autoclaving.

Cap.				Mouth						Lid
ml	fl. oz.	Dia.	Ht.	OD	ID	For Plug Trade Size	Color	Max. Temp., °F	Autoclavable	Type	Material	Color	Features		Each
Borosilicate Glass
25	0.85	1 5/8"	3 7/8"	1/2"	1/4"	C	Clear	300°	Yes	Tight Fitting	Polyethylene Plastic	Yellow	Fill Line, Write-On Label	0000000	000000
50	1.7	2 1/8"	5 1/8"	1/2"	3/8"	D	Clear	300°	Yes	Tight Fitting	Polyethylene Plastic	Yellow	Fill Line, Write-On Label	0000000	00000
100	3.4	2 3/8"	6 1/4"	5/8"	1/2"	00	Clear	300°	Yes	Tight Fitting	Polyethylene Plastic	Yellow	Fill Line, Write-On Label	0000000	00000
250	8.5	3 1/8"	8 7/8"	3/4"	5/8"	0	Clear	300°	Yes	Tight Fitting	Polyethylene Plastic	Yellow	Fill Line, Write-On Label	0000000	00000
500	16.9	4"	10 1/4"	7/8"	3/4"	2	Clear	300°	Yes	Tight Fitting	Polyethylene Plastic	Yellow	Fill Line, Write-On Label	0000000	00000
1,000	34	5 1/4"	12 1/4"	1"	3/4"	3	Clear	300°	Yes	Tight Fitting	Polyethylene Plastic	Yellow	Fill Line, Write-On Label	0000000	00000

Plastic Flasks

Cap.				Mouth							Lid
ml	fl. oz.	Dia.	Ht.	OD	ID	For Plug Trade Size	Graduation Marks	Color	Max. Temp., °F	Autoclavable	Type	Material	Color		Each
Polymethylpentene Plastic
125	4.2	2 5/8"	4 3/8"	1 1/4"	7/8"	4	25 ml	Semi-Clear White	275°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	000000
250	8.5	3 1/4"	5 3/8"	1 1/2"	1 1/8"	6	25 ml	Semi-Clear White	275°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	00000
500	16.9	4"	7"	1 5/8"	1 1/8"	6	50 ml	Semi-Clear White	275°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	00000
1,000	34	5 1/8"	8 3/4"	2 1/8"	1 5/8"	9	50 ml	Semi-Clear White	275°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	00000

Plastic Mixing Flasks

These volumetric flasks have a wide base and long neck for fast mixing. A fill line indicates the capacity.

Cap.				Mouth						Lid
ml	fl. oz.	Dia.	Ht.	OD	ID	For Plug Trade Size	Color	Max. Temp., °F	Autoclavable	Type	Material	Color		Each
Polymethylpentene Plastic
100	3.4	2 3/8"	6 7/8"	3/4"	3/8"	00	Semi-Clear White	355°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	000000
250	8.5	3 1/4"	9"	1"	5/8"	2	Semi-Clear White	355°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	00000
500	16.9	4"	10 5/8"	1"	5/8"	2	Semi-Clear White	355°	Yes	Threaded	Polypropylene Plastic	Semi-Clear White	0000000	00000