shafi_banner

samfur

Fumaric acid CAS 110-17-8

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C4H4O4
Molar Mass 116.07
Yawan yawa 1.62
Matsayin narkewa 298-300 °C (sbl.) (lit.)
Matsayin Boling 137.07°C
Wurin Flash 230 °C
Lambar JECFA 618
Ruwan Solubility 0.63g/100 ml (25ºC)
Solubility Mai narkewa a cikin DMSO, ruwa, maras narkewa a cikin kaushi mai-mai narkewa
Tashin Turi 1.7 mm Hg (165 ° C)
Bayyanar Farin foda ko crystal mara launi
Launi Fari
Merck 14,4287
BRN 605763
pKa 3.02, 4.38 (a 25 ℃)
PH 3.19 (1 mM bayani);2.57 (10 mM bayani);2.03 (100 mM bayani);
Yanayin Ajiya Adana a ƙasa + 30 ° C.
Kwanciyar hankali Barga a dakin da zafin jiki. Bazuwa a kusa da 230 C. Ba tare da jituwa tare da karfi mai karfi oxidizing jamiái, tushe, rage jamiái. Mai ƙonewa.
M Sauƙaƙe ɗaukar danshi
Iyakar fashewa 40%
Fihirisar Refractive 1.5260 (ƙididdiga)
MDL Saukewa: MFCD00002700
Abubuwan Jiki da Sinadarai Halayen monoclinic mara launi-kamar ko lobular Crystal, ɗanɗano mai ɗanɗano.
solubility: dan kadan mai narkewa cikin ruwa, ether da acetic acid, mai narkewa a cikin ethanol. Kusan rashin narkewa a cikin chloroform.
Amfani Don ƙirƙirar Resin Polyester Unsaturated, magungunan kashe qwari, acid da amino acid

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36- Mai ban haushi ga idanu
Bayanin Tsaro 26 – Idan mutum ya hadu da idanu, sai a wanke da ruwa da yawa sannan a nemi shawarar likita.
ID na UN Farashin 9126
WGK Jamus 1
RTECS Saukewa: LS9625000
Farashin TSCA Ee
HS Code 29171900
Guba LD50 baki a cikin zomo: 9300 mg/kg LD50 dermal Rabbit 20000 mg/kg

 

Gabatarwa

Fumaric acid. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shiri da bayanan aminci na transbutalic acid:

 

inganci:

-Transbutadiic acid crystal ne mara launi ko fari mai ƙarfi tare da ɗanɗano mai tsami.

- Yana da narkewa a cikin ruwa da yawancin kaushi na halitta irin su alcohols da ethers.

- A yanayin zafi mai yawa, transbutylic acid yana rushewa don samar da carbon dioxide da acetone.

 

Amfani:

- Ana amfani da shi sosai a cikin shirye-shiryen resins na polyester don kera kayayyaki kamar su sutura, robobi, da zaruruwa.

 

Hanya:

- Transbutenedic acid za a iya samu ta hanyar dauki brominated butene da sodium carbonate. Hanya ta musamman ta haɗa da matakai masu yawa, ciki har da shirye-shiryen butene, maganin bromination, da alkaline hydrolysis.

 

Bayanin Tsaro:

- Transbutadiic acid wani abu ne mai ban haushi wanda zai iya haifar da haushi da ƙonewa a cikin hulɗa da fata da idanu.

- Sanya kayan kariya masu dacewa kamar safar hannu, tabarau, da suturar kariya yayin karɓuwa.

-A guji shakar ƙurarsa ko tururinsa kuma yakamata ayi aiki a wuri mai iskar iska.

- Ya kamata a bi ƙa'idodin gida da amintattun hanyoyin aiki yayin adanawa da sarrafa wurin.

 


  • Na baya:
  • Na gaba:

  • Ku rubuta sakonku anan ku aiko mana