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AR
LABOR
129302104
1-Methyl-2-pyrrolidone 99% AR Grade Reagent
Cas Number:872-50-4
Formula:C5H9NO
Molar Mass:99.13
EC Number:212-828-1
Physicochemical properties:
Colorless liquid with slight ammonia odour. It can volatilize with water vapor. It is hygroscopic and sensitive to light. It is miscible with water, various organic solvents and castor oil. The relative density (d254) is 1.0279.The melting point is -24 ° C. The boiling point is 202 ° C. The refractive index (n25D) is 1.4666. The flash point is 95 ° C. The median lethal dose (rat, oral) is 3.8 ml/kg.
Usage:
Solvent. Organic Synthesis.
Packing:
500ml/25L/200L
1-Methyl-2-pyrrolidone 99% AR Grade Reagent
Cas Number:872-50-4
Formula:C5H9NO
Molar Mass:99.13
EC Number:212-828-1
Physicochemical properties:
Colorless liquid with slight ammonia odour. It can volatilize with water vapor. It is hygroscopic and sensitive to light. It is miscible with water, various organic solvents and castor oil. The relative density (d254) is 1.0279.The melting point is -24 ° C. The boiling point is 202 ° C. The refractive index (n25D) is 1.4666. The flash point is 95 ° C. The median lethal dose (rat, oral) is 3.8 ml/kg.
Usage:
Solvent. Organic Synthesis.
Packing:
500ml/25L/200L
Item of Analysis | Standard |
Assay,% | 99.0 min |
Density(20℃),g/ml | 1.031~1.035 |
Refractive index,n20/D | 1.469~1.471 |
Moisture,% | 0.1 max |
Solubility in ethanol | to pass test |
Item of Analysis | Standard |
Assay,% | 99.0 min |
Density(20℃),g/ml | 1.031~1.035 |
Refractive index,n20/D | 1.469~1.471 |
Moisture,% | 0.1 max |
Solubility in ethanol | to pass test |
Symbol | |
Signal word | Danger |
Hazard statement | H227 |
H319 | |
H335 | |
H360 | |
Precautionary statements—Prevention | P201 |
P202 | |
P210 | |
P261 | |
P271 | |
P280 | |
Precautionary statements—Response | P304+P340+P312 |
P305+P351+P338 | |
P308+P313 | |
P337+P313 | |
P370+P378 | |
Precautionary statements—Storage | P403+P233 P405 |
UN No. | No information |
Flashpoint | 95 °C |
Melting point | -24°C |
Boiling point | 202.0°C |
Symbol | |
Signal word | Danger |
Hazard statement | H227 |
H319 | |
H335 | |
H360 | |
Precautionary statements—Prevention | P201 |
P202 | |
P210 | |
P261 | |
P271 | |
P280 | |
Precautionary statements—Response | P304+P340+P312 |
P305+P351+P338 | |
P308+P313 | |
P337+P313 | |
P370+P378 | |
Precautionary statements—Storage | P403+P233 P405 |
UN No. | No information |
Flashpoint | 95 °C |
Melting point | -24°C |
Boiling point | 202.0°C |