N,N-二甲基甲酰胺

 

N-N-DIMETHYLFORMAMIDE

 

SYNONYM: DMF;      FORMYDIMETHYLAMINE

 

FORMULA: HCON(CH3)2

 

M. W.: 73.09

 

CAS NO.: 68-12-2

 

DESCRIPTION: DIMETHYLFORMAMINE IS A TRANSPARENT LEUCO-LIQUID UNDER NORMAL TEMPERATURE AND PRESS. IT IS A BIPOLAR AND NON-PROTONIC SOLVENT WITH HIGH PURITY AND HIGH DIELECTRICITY. MELTING POINT -61℃, BOILING POINT152.8℃, FLASHING POINT 57.7℃, REFRACTIVE INDEX 1.427-1.429, DENSITY (20℃) IS 0.9487G/ML. IT IS MUTUALLY SOLUBLE WITH WATER, ETHERS, ESTERS, CHLOROHYDROCARBON AND ARENES. IT HAS HYGROSCOPICITY.

 

SPECIFICATIONS:

DMF CONTENT

99.8% MIN.

METHANOL CONTENT

100mg/kg MAX.

COLOR Pt-Co

5 MAX.

REFRACTIVE INDEX

1.427-1.429

MOISTURE CONTENT

0.05% MAX.

FORMIC ACID CONTENT

30mg/kg MAX.

DIMETHYLAMINE

15mg/kg MAX.

PH (20% SOLUTION)

6.5-8.0

Fe CONTENT

0.05mg/kg MAX.

 

USES: DMF IS AN IMPORTANT ORGANIC CHEMICAL FIBER INDUSTRY, AS RAW MATERIAL OF THE HIGH EFFICIENT AND LOW TOXIC PESTICIDE CHLORDIMEFORM HYDROCHLORIDE, AS GAS ABSORBENT IN PETROCHEMICAL INDUSTRY, AS MATERIAL OF SULFADIAZINE, CORTISONE AND VITAMIN B6 IN PHARMACEUTICAL INDUATRY, AND ALSO AS FIXING AGENT IN VAPOR-PHASE ANALYSIS.

 

PACKING: STEEL DRUM LINING WITH PLASTIC, NET WEIGHT 190KG.

 

HANDLING, TRANSPORTATION AND STORAGE: KEEP COOL, DRY AND IN CLOSED CONTAINER. AVOID LEAKAGE, BEING EXPOSED UNDER SUN AND RAIN, STRIKING AND FRICTION. KEEP AWAY FROM FIRE.

UN NO.: 2265             CLASS: 3.3