for molecular biology
1.3 (vs air)
3.23 psi ( 21.1 °C)
7.93 psi ( 37.7 °C)
<1 (20 °C)
>100 °C (lit.)
1.2 g/mL at 25 °C (lit.)
Fe: ≤0.2 ppm
heavy metals (as Pb): ≤1 ppm
suitable for molecular biology
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The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment. See Shipping and Storage for more information.
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The molarity or molar concentration can be calculated using the following formula: [Density x 1000 x concentration (%)] / (molecular weight)
Based on an approximate density of 1.2 g/ml and a percentage range of 36.5 - 38.0%, concentrated HCl is in the range 11.6-12.0 M (which is also 11.6-12.0 Normal, for this monoprotic acid).
This product is designated as Molecular Biology grade and is suitable for molecular biology applications.
Ask a Scientist here.
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.