Can I use HPLC grade hexane for GC?

Sometimes, but HPLC grade is tested for UV absorbance rather than GC peaks. Trace volatile impurities that are invisible to a UV detector can show up on an FID or ECD, so a GC or residue grade is the safer choice for trace work.

Why is DMSO used for headspace residual solvent testing?

DMSO has a high boiling point, dissolves most drug substances and elutes well after common residual solvents. A headspace grade is tested to show that it contributes no measurable peaks for the solvents listed in ICH Q3C.

What does a lindane equivalent mean on a COA?

Pesticide residue grade solvents report ECD-active impurities as if they were lindane, after concentrating the solvent. It gives a single figure for electron-capturing contaminants that would interfere with organochlorine residue methods.

Chemical grade

GC Grade chemicals

Solvents for gas chromatography with high GC purity, low non-volatile residue and few peaks that interfere with FID, ECD or MS.

150 products in this grade

GC Grade products

73–96 of 150 products

Decane, for GC >99%

CAS: 124-18-5
Formula: C₁₀H₂₂
MW: 142.28 g/mol

ZX-037354

Di-tert-butyl dicarbonate, for GC >99.5%

CAS: 24424-99-5
Formula: C₁₀H₁₈O₅
MW: 218.25 g/mol

ZX-037357

Dichloromethane, for GC ≥99.9%

CAS: 75-09-2
Formula: CH₂Cl₂
MW: 84.93 g/mol

ZX-036993

Diethyl ether analytical standard, for GC ≥99.5%

CAS: 60-29-7
Formula: C₄H₁₀O
MW: 74.12 g/mol

ZX-038459

Diethyl ether, for pesticide residue trace analysis, 99.9%

CAS: 60-29-7
Formula: C₄H₁₀O
MW: 74.12 g/mol

ZX-001858

Diethylene glycol dimethyl ether, for GC >99%

CAS: 111-96-6
Formula: C₆H₁₄O₃
MW: 134.17 g/mol

ZX-037362

Diethylene glycol, for GC >99%

CAS: 111-46-6
Formula: C₄H₁₀O₃
MW: 106.12 g/mol

ZX-037360

Dimethyl sulphoxide, AR, for GC >99.5%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

ZX-037373

Dimethyl sulphoxide, for GC ≥99.5%

CAS: 67-68-5
Formula: C₂H₆OS
MW: 78.14 g/mol

ZX-036965

Diphenyl ether, for GC >98%

CAS: 101-84-8
Formula: C₁₂H₁₀O
MW: 170.21 g/mol

ZX-037377

Diphenylamine, AR, for GC >99%

CAS: 122-39-4
Formula: C₁₂H₁₁N
MW: 169.22 g/mol

ZX-037376

Dodecane, for GC ≥95.00%

CAS: 112-40-3
Formula: C₁₂H₂₆
MW: 170.33 g/mol

ZX-037112

Ethanol, for GC, for spectroscopy

CAS: 64-17-5
Formula: C₂H₆O
MW: 46.07 g/mol

ZX-019165

Ethyl 2-bromopropionate, for GC >98%

CAS: 535-11-5
Formula: C₅H₉BrO₂
MW: 181.03 g/mol

ZX-037380

Ethyl acetate, HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

CAS: 141-78-6
Formula: C₄H₈O₂
MW: 88.11 g/mol

ZX-001732

Ethyl aceto acetate, for GC >99%

CAS: 141-97-9
Formula: C₆H₁₀O₃
MW: 130.14 g/mol

ZX-037379

Ethyl-3-bromo propionate, for GC >99%

CAS: 539-74-2
Formula: C₅H₉BrO₂
MW: 181.03 g/mol

ZX-037381

Fluorisil, 30-60 mesh, for GC

CAS: 1343-88-0
Formula: MgO₃Si
MW: 100.39 g/mol

ZX-038629

Fluorobenzene, for GC >99%

CAS: 462-06-6
Formula: C₆H₅F
MW: 96.1 g/mol

ZX-037346

Hexadecane, for GC ≥99.00%

CAS: 544-76-3
Formula: C₁₆H₃₄
MW: 226.44 g/mol

ZX-037113

Hexamethyldisilazane, for GC ≥98.00%

CAS: 999-97-3
Formula: C₆H₁₉NSi₂
MW: 161.39 g/mol

ZX-037117

Hexane, fraction, AR, for GC >95%

CAS: 110-54-3
Formula: C₆H₁₄
MW: 86.18 g/mol

ZX-037384

Hexane, fraction, for GC ≥99.00%

CAS: 110-54-3
Formula: C₆H₁₄
MW: 86.18 g/mol

ZX-037103

Hexane, fraction, for GC, Reference Standard 99%

CAS: 110-54-3
Formula: C₆H₁₄
MW: 86.18 g/mol

ZX-037430

Compare with other grades

HPLC Grade AR Grade (Analytical Reagent)ACS Grade LR Grade (Laboratory Reagent)Extra Pure Grade Molecular Biology Grade Spectroscopy Grade LC-MS Grade IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)Ph. Eur. Grade (European Pharmacopoeia)Food Grade (FCC)Technical Grade Electronic Grade Deuterated and Stable-Isotope-Labelled Compounds Pharmaceutical Secondary Reference Standards Grades guide

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