查看“︁丙二酸钠”︁的源代码

{{Refimprove|time=2022-02-06T15:52:14+00:00}}
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 333544557
| ImageFile = disodium malonate.png
| ImageSize = 180px
| ImageName = 
| IUPACName = Disodium propanedioate
| OtherNames = 丙二酸二钠，丙二酸双钠，正丙二酸钠，丙二酸二钠盐
| Section1 = {{Chembox Identifiers
| ChEMBL_Ref = {{ebicite|changed|EBI}}
| ChEMBL = 359504 
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 141-95-7
| CASOther = (一水)
| PubChem = 8865
| EINECS = 205-14-0
|  ChemSpiderID = 8532
|  SMILES = [Na+].[Na+].[O-]C(=O)CC([O-])=O
|  InChI = 1/C3H4O4.2Na/c4-2(5)1-3(6)7;;/h1H2,(H,4,5)(H,6,7);;/q;2*+1/p-2
|  InChIKey = PRWXGRGLHYDWPS-NUQVWONBAV
|  StdInChI = 1S/C3H4O4.2Na/c4-2(5)1-3(6)7;;/h1H2,(H,4,5)(H,6,7);;/q;2*+1/p-2
|  StdInChIKey = PRWXGRGLHYDWPS-UHFFFAOYSA-L
}}
| Section2 = {{Chembox Properties
|   Formula = C<sub>3</sub>H<sub>2</sub>O<sub>4</sub>Na<sub>2</sub>
|   MolarMass = 148.025 g/mol
|   Density = 
|   Solubility = 1 M (20 °C)<ref name="cb">[http://www.chemicalbook.com/ChemicalProductProperty_CN_CB8705796.htm 一水合丙二酸钠]</ref>
|   MeltingPt =
|   BoilingPtK = 659.93
   }}
| Section7 = {{Chembox Hazards
|   LD50 = 1100 mg/kg (大鼠腹腔注射)<ref name="zghg">中国化工产品大全 上卷，Da218 丙二酸钠，页545</ref><br />1584 mg/kg (家兔皮下注射最低致死量)<ref name="zghg"/>
}}
}}
'''丙二酸钠'''，分子式C<sub>3</sub>H<sub>2</sub>O<sub>4</sub>Na<sub>2</sub>。

==性质==
白色结晶。可溶于水，不溶于[[醇]]、[[醚]]、[[苯]]。低毒。

==制备==
1、由[[氢氧化钠]]与[[丙二酸]]溶液反应而得。
:<math>\ HOOCCH_2COOH+2NaOH\rightarrow NaOOCCH_2COONa+2H_2O</math>

2、由[[氰乙酸]]与液碱反应而得。
:<math>\ CNCH_2COONa+NaOH\ \xrightarrow {H_2O} \ NaOOCCH_2COONa+NH_3</math>

==用途==
用于制备药物[[磺胺-6-甲氧嘧啶]]、[[巴比妥]]及生产香料、染料等。

==参考资料==
{{reflist}}

[[Category:丙二酸盐]]
[[Category:有机酸钠盐]]
[[Category:三碳有机物]]