Solvents (for research)

N,N-Dimethylformamide >99.8% (DMF)

• CAS No: 68-12-2
• Molecular weight; 73.0

1. Water<0.02% (K.F.)
2. Acidity(CH3COOH)<0.001%
3. Free amine <0.001%
4. Formaldehyde:< O.O02%

N,N-Dimethylformamide,Piperidine20%

 

• Pre-mixed DMF/Piperidine Made to order

 

1. Clear solution
2. Formulation: 19 to 21%

Dichloromethane (Methylene Chloride)

• CAS No: 75-09-2
• Molecular weight; 84.93
• Molecular formula: CH2Cl2

1. Water(H20) (KF) max 0.005%.
2. Residue on evaporation max 0.0005%
3. Free amines (Kaiser)max 0.0001%.

Acetonitrile HPLC Far UV Grade

• CAS No: 75-05-8
• Molecular weight: 41.04
• Flashpoint (0C):2

1. Analysis: GC>99.9%
2. water < 0.02% 3) Acidity/alkalinity < 0.0008meq/g
3. Residue after evaporation < 0.0002%
4. at 200 nm A: <0.1 at 205 nm A: <0.05 at 210 nm A: <0.035 at 220 nm A: <0.025 at 230 nm A: (1 cm cell vs HPLC-Grade water)

1 Methyl 2 pyrrolidinone >99.5% (NMP)

• CAS No: 872-50-4
• Molecular weight: 99.13
• Molecular formula :C5 H9 N O
• Flash point : 91^oC

1. Appearance clear liquid
2. Color scale <10 APHA
3. Analysis GC >99.5%
4. Water < 0.02% (K.F.)
5. Free amine < 0.001%

Piperidine

• CAS No: 110-89-4
• Molecular weight 85. 15
• Molecular formula: C5 H11 N

1. Analysis. GC >98.5%
2. Water<0.5% (K.F.)
3. Refractive index 1.4515 to 1.4535 (20"C,589 nm) AGPIP 500 m1