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Ammonium succinate

From Crystal growing


   Ammonium succinate   
Names: ammonium succinate
Formula: (NH4)2C4H4O4
Molar mass: 152.149 g/mol
Crystal system: orthorhombic
α=90°, β=90°, γ=90°
Shapes:
https://en.crystalls.info/w/uploads/media/2/28/Prolongated_tetragonal_pyramidal_prism.json
https://en.crystalls.info/w/uploads/media/a/af/Tetragonal_prism.json
https://en.crystalls.info/w/uploads/media/b/bc/Rhombic_prism.json
https://en.crystalls.info/w/uploads/media/5/52/Needle.json

Color: colorless
коричневый
Hardness: fragile

Description

Organic compound, salt of ammonium ion and organic succinic acid. Doesn't form water hydrates.

Reaction between ammonia and succinic acid

Chemical equation:

H2C4H4O4 + 2NH4OH = (NH4)2C4H4O4 + 2H2O


For preparation of 100.00g of ammonium succinate а 46.07g of ammonia alcohol and 77.61g of succinic acid is required.

Add acid to the flask, then add small parts of ammonium compound with stirring until heating will stop (attention, the solution may boil!) .

Notes

Dissolved compound may start to hydrolize, turning brown and emitting a strong ammonia smell.

Temperatureg/100,00 g water
20°C293.15 K <br />68 °F <br />527.67 °R <br />~123