Eisco Labs
| SKU
CH0450C
Class B Beaded Rim Volumetric Flask, 25mL, Single Graduation, Borosilicate Glass
⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Regular price
$12.99
Sale price
Regular price
$12.99
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Product Description
Product Description
This 25mL volumetric flask is made from borosilicate 3.3 glass with a single graduation mark and blue printed specifications. It meets ASTM Class B tolerance of ±0.08mL and features a beaded rim.
The flask stands 4.25 inches tall and is 1.5 inches in diameter at its widest point. The neck outer diameter is 0.5 inches and inner diameter is 0.4 inches. It is calibrated to contain. Borosilicate glass heat tolerances include a Strain Point of 515°C, an Annealing Point of 565°C, and a Softening Point of 820°C.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class B
- Capacity: 25 ml
- Stopper: No
- Tolerance: ±0.080 ml
- Graduation: yes
- Thermal Properties (Flask)
Coefficient of Linear Expansion: 32.5 x 10⁻⁷ / C°
- Strain Point: 515°C
- Annealing Point: 565°C
- Softening Point: 820°C
- Specific Heat: 0.2
- Thermal Conductivity (Cal/cm3°C/Sec): 0.0027
- Chemical Durability
Contact Chemical: Duration (hours)
Loss in weight (mg/m²)
- Water distilled at 100°C: 6
10
- Water vapour steam at 121°C: 1
75
- Acid HCl: 6
100
- 80% H₂SO₄ at 130°C: 12
140
- Alkali -1N solution of Na₂CO₃ boiling: 6
4000
- Isotonic infusion Fluids
NaCl (0.85%) at 121°C: 2.5
70
Glucose (5%) at 121°C
2.5
50
- Dimensions (L × W × H): 1.50" × 1.50" × 4.25" (3.81cm × 3.81cm × 10.8cm)
- Weight: 0.10 lbs (45g)
Shipping & Returns
Shipping & Returns
SHIPPING
Ships from Rochester, NY. Orders received by 1:00 PM EST M-F typically ship same business day. Free US shipping on orders over $100. Expedited options available.
RETURNS
30-day return window. Unused items receive a full refund; used items are eligible for store credit or exchange. Return shipping is paid by the customer. Clearance items are final sale. Defective products? Contact us directly.
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