人人爽久久爽AV亚洲|亚洲日韩精品福利在线|国内熟女精品熟女a视频|欧美成人在线中文版免费|国产精品色视频一区二欧美|国产三级精品三级在线专区|久久综合久久自在自线精品|99zyz玖玖资源站中文字幕

Product
 

Succinic Anhydride

 

 

Additional name:

 

 

Succinic acid anhydride; Succinyl oxide; Bernsteinsaure anhydride; Butanedioic anhydride; Dihydro-2.5-furandione

CAS: 108-30-5
Molecular formula: CH2CH2COOCO             C4H4O3

Structure type:

Molecular weight: 100.08
Properties: colorless acicular crystals or granules. Soluble in ethanol, chloroform and carbon tetrachloride; slightly soluble in water and ethyl ether. Decomposes in hot water to succinic acid. mp 119.6, bp 261℃, d 1.503.
Precaution: uccinic anhydride is irritating to eye and mucosa. Wash with large amount of water in case of eye contact. Seek medical attention if needed.
Use: as analytical reagent; in manufacturing drug, agrochemcial, resin, etc.
Packaging & Storage: plastic lined woven bag, net weight 25kg. Store in a cool dry place.


Specification:
 

 
A.R.
C.P.
Medicine grade
Tech. grade
Appearance
white crystals
white crystals
white crystals
white to light yellow crystals
Assay %
99.0-100.5
98.0-100.5
99.0
98.0
mp ℃
118-122
118-122
117-121
116-121
Water dissolution test
pass
pass
/
/
Residue on ignition %
0.005
0.01
0.1
0.2
Cl %
0.03
0.2
  
   
Color (APHA) %
  
    
50
100
Pb %
   
0.001
0.002
   
As %
   
0.0002
0.0005
   
Fe %
   
0.0005
0.001
   
KMnO4 test (0.1N ml/g)
   
1
2
   





< Return to the previous page >

 

 
 
 
 
 
崇阳县| 城固县| 固原市| 出国| 温宿县| 麻栗坡县| 陆丰市| 鸡西市| 寿宁县| 尉犁县| 江孜县| 长沙市| 荣成市| 曲水县| 土默特右旗| 海原县| 河源市| 磴口县| 金沙县| 枣强县| 南澳县| 祁门县| 水富县| 永和县| 高州市| 都兰县| 潼南县| 监利县| 靖远县| 梧州市| 偃师市| 宜宾县| 商河县| 乌兰察布市| 灌阳县| 大理市| 哈尔滨市| 东乌珠穆沁旗| 信宜市| 平顶山市| 土默特左旗|