Fumaric acid

MDL：
MFCD00002700

Molecular Formula：
C4H4O4；HOOCCH=CHCOOH

Molecular Weight：
116.07

Alias：
延胡索酸,富马酸，紫堇酸,E)-2-丁烯二,反-1,2-乙烯二羟酸 TMEDA trans-2-Butenedioic Acid

Product order：

Name	Specifications	Packing	Price	Delivery
Fumaric acid	CP	500g	RMB 55	Consulting service
Fumaric acid	CP	100g	RMB 33	Consulting service
Fumaric acid	冷水溶,99%	1Kg	RMB 88	Consulting service
Fumaric acid	GR	25g	RMB 33	Consulting service
Fumaric acid	GR	100g	RMB 55	Consulting service
Fumaric acid	GR	500g	RMB 88	Consulting service
Fumaric acid	冷水溶,99%	25kg	RMB 2167	Consulting service

Character：
白色单斜棱柱体、针状或叶状结晶。200℃升华，230℃部分炭化。能溶于醇，微溶于水和醚，100g水中溶解度：25℃时0.63g，40℃时1.07g,60℃时2.4g,100℃95%乙醇中溶解度：30℃ 时5.76g；100g丙酮中溶解度：30℃时1.72g，100g乙醚中溶解度：25℃时0.72g。几乎不溶于橄榄油、氯仿、苯、四氯化碳、二甲苯和液氨。(封管，急剧加热)。有刺激性。冷水溶富马酸比原富马酸在冷水中的溶解度提高65%以上，是一种口味更加纯正的酸味剂，其酸度为柠檬酸的2.5倍，而且乳化性、稳定性更好。
密度：1.635
熔点：287℃

Quality Standard：
Q/(HG)SJ 184-92
项目Item                                               化学纯  
                                                        (CP)    
含量(C4H4O4)Assay,%                                   ≥ 99.0    
灼烧残渣(以硫酸盐计)Ignition residue,%               ≤ 0.05    
水溶解试验Solubility                                    合格    
氯化物(Cl)Chloride,%                                 ≤ 0.002    
铁(Fe)Iron,%                                         ≤ 0.001    
重金属(以Pb计)Heavy metals,%                         ≤ 0.002  

项目                                                 优级纯    
                                                      (GR)
外观Appearance                                       白色结晶粉末
红外光谱鉴别Infrared spectrometry                    和对照品匹配
含量Assay                                            >99.5 %
重金属Heavy metals (as Pb)                           <5 ppm
灼烧残渣Res. after ignition                          <0.005 %
氯Cl                                                 < 50 ppm
铁Fe                                                 < 5 ppm
砷As                                                 < 2 ppm
总硫total sulfur (S):                                < 0.0005%

冷水溶反丁烯二酸:

外 观Appearance                                      超细白色粉末
含量(总酸)assay%                                     ≥99.0
水 份water %                                         ≤0.30
DSS%                                                 ≤0.30
熔 点mp ℃                                           286-289
灰 份Ash  %                                          ≤0.03
色度(5%乙醇中)Color Scale ,Hazen                     ≤15
重金属(以Pb计)Heavy metals(as Pb) ,PPM               ≤10
砷Arsenic(以As计)PPM                                 ≤3
溶解度(25℃)g/100g水Solubility in Water              ≥1.0

Storage：
密封保存。