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Cis-Butenedioic Acid 99.5% CP Grade Reagent

Cas Number:110-16-7
Formula:C4H4O4
Molar Mass:116.07
EC Number:203-742-5

Quantity:
  • CP
  • LABOR
  • 108803129

Cis-Butenedioic Acid 99.5% CP Grade Reagent


Cas Number:110-16-7

Formula:C4H4O4

Molar Mass:116.07

EC Number:203-742-5


Physicochemical properties:

White crystals with slight acidic smell. Miso. When the temperature is higher than the melting point, it is partially converted into a higher melting point (287 ° C) of fumaric acid. Soluble in water,ethanol, acetone and glacial acetic acid, slightly soluble in ether, almost insoluble in benzene. The relative density is 1.59. The melting point is 138 ~ 139 ° C (water in the formation), 130 ~ 131 ° C (ethanol or benzene). The flash point is 100 °C. Corrosive.


Usage:

Alkaline method analysis standard. Slow down the rancidity of oil and fat. Organic Synthesis.


Packing:

500g/25kg





Item of Analysis

Standard

Assay,%

99.5 min

Melting point,

133.0~137.0

Residue on ignition(as SO4),%

0.05 max

Chloride(Cl),%

0.01 max

Solubility in water

to pass test


Symbol 

Signal word 

Danger

Hazard statement

H302+H312


H315


H317


H318


H335


H402

Precautionary statements—Prevention

P261


P264


P270


P271


P273


P280

Precautionary statements—Response

P301+P312+P330


P302+P352


P302+P352+P312


P304+P340+P312


P305+P351+P338+P310


P333+P313


P362+P364

Precautionary statements—Storage

P403+P233


P405

UN No.

3261

Hazard Class

8

Package Group

III

Flashpoint

100 °C

Melting point

138-139°C



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