SIGMA-ALDRICH CORPORATION Part No. 34998-4X4L
Synonym(s): ACN; Methyl cyanide Empirical Formula: C₂H₃N Formula Weight: 41.05 Linear Formula: CH₃CN MDL Number: MFCD00001878 Purity: ≥99.9% Boiling Point: 81-82 °C(lit.) Melting Point: −48 °C(lit.) Density: 0.786 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.344(lit.) Beilstein Registry Number: 741857 RTECS No.: AL7700000 RIDADR: UN 1648 3 / PGII

SIGMA-ALDRICH CORPORATION Part No. 270725-4X4L
Formula: CH₃COCH₃ Formula Weight: 58.08
CAS No.: 67-64-1 Purity: ≥99.9% Density: 0.791 g/mL at 25 °C(lit.) Application: Acetone′s luminesence intensity is dependent upon the solution components 1 . The absorption of UV light by acetone, results in its photolysis and the production of radials 1 . Supplemental Hazard Statements: Repeated exposure may cause skin dryness or cracking. Other Notes: Pure-Pac ® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723. Packaging: 1, 6 x 1, 2, 4 x 2, 4, 4 x 4 L in glass bottle Packaging: 100 mL in glass bottle Packaging: 20, 50 L in Pure-Pac™ 2 Packaging: 56, 200 L in Pure-Pac™ 1

SIGMA-ALDRICH CORPORATION Part No. 213330-4X2.5KG
ACS reagent, ≥99.5% Synonym(s): Salmiac Empirical Formula: H₄ClN Formula Weight: 53.49 Linear Formula: NH₄Cl MDL Number: MFCD00011420 Purity: ≥99.5% Melting Point: 340 °C (subl.)(lit.) Beilstein Registry Number: 4371014 RTECS No.: BP4550000 RIDADR: UN 3077 9 / PGIII

SIGMA-ALDRICH CORPORATION Part No. 213330-500G
ACS reagent, ≥99.5% Synonym(s): Salmiac Empirical Formula: H₄ClN Formula Weight: 53.49 Linear Formula: NH₄Cl MDL Number: MFCD00011420 Purity: ≥99.5% Melting Point: 340 °C (subl.)(lit.) Beilstein Registry Number: 4371014 RTECS No.: BP4550000 RIDADR: UN 3077 9 / PGIII

SIGMA-ALDRICH CORPORATION Part No. 247561-2.5KG
ACS reagent, 98% Synonym(s): Ammonium hydrogencitrate; Citric acid ammonium salt; Diammonium hydrogen citrate Empirical Formula: C₆H₁₄N₂O₇ Formula Weight: 226.18 Linear Formula: HOC(CO₂H)(CH₂CO₂NH₄)₂ MDL Number: MFCD00013068 Purity: 98%; 98.0-103.0% (ACS specification) Beilstein Registry Number: 4925760 RTECS No.: GE7545000 RIDADR: UN 3077 9 / PGIII

SIGMA-ALDRICH CORPORATION Part No. 221244-2.5KG
ACS reagent, ≥98% Empirical Formula: H₄N₂O₃ Formula Weight: 80.04 Linear Formula: NH₄NO₃ MDL Number: MFCD00011425 Purity: ≥98% Boiling Point: 210 °C(lit.) Melting Point: 169 °C(lit.) RTECS No.: BR9050000 RIDADR: UN 1942 5.1 / PGIII

SIGMA-ALDRICH CORPORATION Part No. 224820-2.5KG
reagent grade, 95% Synonym(s): Ammonium bifluoride; Etching powder Empirical Formula: H₅F₂N Formula Weight: 57.04 Linear Formula: NH₄HF₂ MDL Number: MFCD00012018 Purity: 95% Melting Point: 125 °C(lit.) RTECS No.: BQ9200000 RIDADR: UN 1727 8 / PGII

Aluminum chloride puriss. p.a., anhydrous, crystallized, =99.0% (AT)

SIGMA-ALDRICH CORPORATION Part No. 123226-100ML
Synonyms: Methoxybenzene; Methyl phenyl ether Formula: CH₃OC₆H₅ Formula Weight: 108.14
CAS No.: 100-66-3 Purity: 99% Density: 0.995 g/mL at 25 ÝC(lit.) Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 1, 4 L in glass bottle Packaging: 100 mL in glass bottle Packaging: 20 L in steel drum

SIGMA-ALDRICH CORPORATION Part No. 179124-4X4L
Formula: CH₃COCH₃ Formula Weight: 58.08
CAS No.: 67-64-1 Purity: ≥99.5% Density: 0.791 g/mL at 25 °C(lit.) Application: Acetone′s luminesence intensity is dependent upon the solution components 1 . The absorption of UV light by acetone, results in its photolysis and the production of radials 1 . Supplemental Hazard Statements: Repeated exposure may cause skin dryness or cracking. Other Notes: Pure-Pac ® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723. Legal Information: Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 1, 6 x 1, 2, 4 x 2, 2.5, 4 x 2.5, 4, 4 x 4 L in glass bottle Packaging: 20 L in steel drum Packaging: 200 L in steel drum Packaging: 4 x 4 L in poly bottle Packaging: 50 L in Pure-Pac™ 2 Packaging: 500, 6 x 500 mL in glass bottle