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AR
LABOR
127102129
Maleic Anhydride 99.5% AR Grade Reagent
Cas Number:108-31-6
Formula:C4H2O3
Molar Mass:98.06
EC Number:203-571-6
Physicochemical properties:
White oblique policy crystal.It is sensitive to humidity. Solubility at 25 ° C (g/100 ml): acetone 227, ethyl acetate 112, chloroform 52.5, benzene 50, toluene 23.4, o-xylene 19.4, carbon tetrachloride 0.6, petroleum 0.25. It is soluble in dioxane, soluble in water to form maleic acid, and soluble in ethanol to form an ester. The relative density is 1.48. The melting point is 52.8 ° C. The boiling point is 202.0 ° C. The flash point is 103 °C.
Usage:
Qualitative and quantitative determination of organic compounds with a conjugated double bond. Antiseptic of fats and oils. Organic Synthesis. Biochemical research.
Packing:
500g/25kg
Maleic Anhydride 99.5% AR Grade Reagent
Cas Number:108-31-6
Formula:C4H2O3
Molar Mass:98.06
EC Number:203-571-6
Physicochemical properties:
White oblique policy crystal.It is sensitive to humidity. Solubility at 25 ° C (g/100 ml): acetone 227, ethyl acetate 112, chloroform 52.5, benzene 50, toluene 23.4, o-xylene 19.4, carbon tetrachloride 0.6, petroleum 0.25. It is soluble in dioxane, soluble in water to form maleic acid, and soluble in ethanol to form an ester. The relative density is 1.48. The melting point is 52.8 ° C. The boiling point is 202.0 ° C. The flash point is 103 °C.
Usage:
Qualitative and quantitative determination of organic compounds with a conjugated double bond. Antiseptic of fats and oils. Organic Synthesis. Biochemical research.
Packing:
500g/25kg
Item of Analysis | Standard |
Assay,% | 99.5 min |
Melting point,℃ | 52.0~54.0 |
Transparency of solution | to pass test |
Insoluble in water,% | 0.005 max |
Residue on ignition(as SO4),% | 0.01 max |
Chloride(Cl),% | 0.01 max |
Item of Analysis | Standard |
Assay,% | 99.5 min |
Melting point,℃ | 52.0~54.0 |
Transparency of solution | to pass test |
Insoluble in water,% | 0.005 max |
Residue on ignition(as SO4),% | 0.01 max |
Chloride(Cl),% | 0.01 max |
Symbol | |
Signal word | Danger |
Hazard statement | H302 |
H314 | |
H317 | |
H334 | |
H372 | |
H402 | |
Precautionary statements—Prevention | P260 |
P264 | |
P270 | |
P272 | |
P273 | |
P280 | |
P284 | |
Precautionary statements—Response | P301+P312+P330 |
P301+P330+P331 | |
P303+P361+P353 | |
P304+P340+P310 | |
P305+P351+P338+P310 | |
P333+P313 | |
P342+P311 | |
P362+P364 | |
Precautionary statements—Storage | P405 |
UN No. | 2215 |
Hazard Class | 8 |
Package Group | III |
Flashpoint | 103 °C |
Melting point | 52.8°C |
Boiling point | 202.0°C |
Symbol | |
Signal word | Danger |
Hazard statement | H302 |
H314 | |
H317 | |
H334 | |
H372 | |
H402 | |
Precautionary statements—Prevention | P260 |
P264 | |
P270 | |
P272 | |
P273 | |
P280 | |
P284 | |
Precautionary statements—Response | P301+P312+P330 |
P301+P330+P331 | |
P303+P361+P353 | |
P304+P340+P310 | |
P305+P351+P338+P310 | |
P333+P313 | |
P342+P311 | |
P362+P364 | |
Precautionary statements—Storage | P405 |
UN No. | 2215 |
Hazard Class | 8 |
Package Group | III |
Flashpoint | 103 °C |
Melting point | 52.8°C |
Boiling point | 202.0°C |