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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
Organic Standards (11,345)
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91 – 105 of 18,733 results
93

1-Methyl-2-pyrrolidinone, ≥99.9% (GC), MilliporeSigma™ Supelco™

1-Methyl-2-pyrrolidinone is a polar solvent widely used in organic chemistry and polymer chemistry. On a large scale, it finds applications in the recovery and purification of acetylenes, olefins, and diolefins, gas purification, and aromatics extraction from feedstocks.

Boiling Point 202°C; 81°C to 82°C (10 mmHg)
Linear Formula C5H9 NO
Physical Form Neat
Grade Analytical Standard
Ignition Point 518°F
Density 1.028 g/mL (at 25°C)
Vapor Density 3.4 (vs. air)
Vapor Pressure 0.29 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99.9% (GC)
CAS 872-50-4
MDL Number MFCD00003193
Flash Point 91°C
Synonym 1-Methyl-2-pyrrolidone; N-Methyl-2-pyrrolidone; NMP
RTECS Number UY5790000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 99.13
Melting Point -24°C
94

PESTANAL™ Dithianon, MilliporeSigma™ Supelco™

Dithianons belong to the quinone class of fungicides.

98

PESTANAL™ Pyraclostrobin, MilliporeSigma™ Supelco™

Pyraclostrobin can be called as a broad spectrum fungicide, used to preserve high valuable crops, having preventive and curative properties and a long residual action.

100

PESTANAL™ Terbumeton, MilliporeSigma™ Supelco™

Terbumeton is a selective and systemic, s-triazine herbicide widely used for weed control management.

102

PESTANAL™ Methidathion, MilliporeSigma™ Supelco™

Methidathion is a dimethoxyorganic phosphorus pesticide and cholinesterase inhibitor.

103

TraceCERT™ Naphthalene Solution, 5,000 μg/mL in Methanol, MilliporeSigma™ Supelco™

Naphthalene solution may be prepared, via dissolving polycyclic aromatic hydrocarbons in methanol.

105

Trichloroethylene, MilliporeSigma™ Supelco™

Trichloroethylene is a volatile and chlorinated organic compound, which finds applications as a solvent and greasing agent.