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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 (11,006)
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2,371 – 2,385 of 22,273 results
2,373

PESTANAL™ Acetaldehyde, Analytical Standard, MilliporeSigma™ Supelco™

Acetaldehyde is a highly inflammable liquid, which can be commercially produced from liquid-phase oxidation of ethylene. It can also be obtained as a co-product from the oxidation of saturated hydrocarbons like propane or butane. It can find applications as a chemical intermediate in the production of acetic acid.

2,376

1,1-Dichloroethylene, ≥99.9% (GC), MilliporeSigma™ Supelco™

1,1-Dichloroethylenes are a group of volatile organic compounds (VOCs), which are characterized by high vapor pressure and low water solubility.

Boiling Point 30°C to 32°C
Linear Formula CH2=CCl2
Grade Analytical Standard
Ignition Point 968°F
Density 1.213 g/mL (at 20°C)
Vapor Density 3.46 (vs. air)
Vapor Pressure 9.68 psi (20°C)
Solution Contains ˜0.02% 4-methoxyphenol as stabilizer
Type Analytical Standard
Percent Purity ≥99.9% (GC)
CAS 75-35-4
MDL Number MFCD00011653
Flash Point -19°C - closed cup
Synonym Vinylidene chloride
Recommended Storage 2°C to 8°C
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 96.94
Melting Point -122°C
2,377

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

Boiling Point 83°C
Linear Formula ClCH2 CH2 Cl
Grade Analytical Standard
Ignition Point 775°F
Density 1.256 g/mL (at 25°C)
Vapor Density 3.4 (20°C, vs. air)
Vapor Pressure 87 mmHg (25°C)
Type Analytical Standard
Percent Purity ≥99.9% (GC)
CAS 107-06-2
MDL Number MFCD00000963
Flash Point 13°C - Closed Cup
Synonym Ethylene chloride; Ethylene dichloride
RTECS Number KI0525000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 98.96
Melting Point -35°C
2,379

Digoxin, ≥95% (HPLC), MilliporeSigma™ Supelco™

Shipping Condition Ambient
Type Analytical Standard
Percent Purity ≥95% (HPLC)
Linear Formula C41H64O14
CAS 20830-75-5
MDL Number MFCD00003674
Physical Form Neat
Grade Analytical Standard
Synonym 12 beta-Hydroxydigitoxin
Recommended Storage Room Temp
Formula Weight 780.94
2,380

TraceCERT™ Acetone- 2,4-DNPH, 1,000 μg/mL in Acetonitrile, MilliporeSigma™ Supelco™

Type Organic Pollutant Standard
Linear Formula C9H10N4O4
CAS 1567-89-1
Flash Point 2.0°C - closed cup
Packaging Ampule
Grade TraceCERT™ Analytical Standard
Synonym Acetone-2,4-dinitrophenylhydrazone solution
Recommended Storage 2°C to 8°C
Concentration 1000 μg/mL in acetonitrile
Formula Weight 238.20
Product Line TraceCERT
2,381

2-Butanol, Analytical Standard, ≥99.8% (GC), MilliporeSigma™ Supelco™

Boiling Point 98°C
Linear Formula CH3CH2CH(OH)CH3
Physical Form Neat
Grade Analytical Standard
Density 0.808 g/mL (at 25°C)
Vapor Density 2.6 (vs. air)
Vapor Pressure 12.5 mmHg (20°C)
Percent Purity ≥99.8% (GC)
CAS 78-92-2
MDL Number MFCD00004569
Synonym sec-Butyl alcohol
RTECS Number EO1750000
Shelf Life Limited shelf life, Expiry date on the label
Formula Weight 74.12
Melting Point -115°C
2,382

3,5-Di-tert-4-butylhydroxytoluene (BHT), MilliporeSigma™ Supelco™

3,5-Di-tert-4-butylhydroxytoluene belongs to the class of phenolic antioxidants, added to food and other products such as oils, fats and butter oil to prevent rancidity caused by the oxidation of unsaturated fats.