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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
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3,811 – 3,825 of 23,196 results
3,815

Phenylethyl Alcohol Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™

Boiling Point 219°C to 221°C (750 mmHg)
Linear Formula C6H5 CH2 CH2 OH
Physical Form Neat
Grade Certified Reference Material
Density 1.020 g/mL (at 20°C)
Vapor Density 4.21 (vs. air)
Vapor Pressure 1 mmHg (58°C)
Type Certified Reference Material
CAS 60-12-8
MDL Number MFCD00002886
Flash Point 102°C - Closed Cup
Synonym 2-Phenylethanol; beta-PEA; 2-Phenylethyl alcohol; Benzyl carbinol; PEA
Formula Weight 122.16
Melting Point -27°C
3,820

Cottonseed flour, MilliporeSigma™ Supelco™

Cottonseed flour is a high protein concentrate, which can be obtained from the kernel of the cottonseed after the removal of the oil from the seed.

3,822

Ammelide, ≥98.0% (GC), MilliporeSigma™ Supelco™

Ammelide can be synthesized via hydrolysis of 2-amino-4,6-dichloro-s-triazine in the presence of acid or base or by the reaction between urea and cyanogen iodide at 130-140 degrees.