peji_banner

chigadzirwa

4-Methylumbliferone (CAS# 90-33-5)

Chemical Property:

Molecular Formula C10H8O3
Molar Misa 176.17
Density 1.1958 (yakashata fungidziro)
Melting Point 188.5-190°C(lit.)
Boling Point 267.77°C (yakaomarara fungidziro)
Mvura Solubility zvishoma soluble
Solubility Soluble mu ethanol, acetic acid, alkali solution uye ammonia, inonyungudika zvishoma mumvura inopisa, ether uye chloroform.
Chitarisiko Tsono crystallization
Color kuchena-kuchena kusvika kune yero
Maximum wavelength(λmax) ['221nm, 251nm, 322nm']
Merck 14,4854
BRN 142217
pKa 7.79(pa25℃)
Storage Condition 2-8°C
Kugadzikana Yakagadzikana. Inopisa. Hazvienderani neakasimba oxidizing agents.
Refractive Index 1.5036 (kufungidzira)
MDL MFCD00006866
Zvenyama uye Chemical Properties Makristasi akafanana netsono. Melting point 185-186 °c (194-195 °c) inonyungudika mu ethanol, acetic acid, alkali solution uye ammonia, inonyungudika zvishoma mumvura inopisa, ether uye chloroform. Uye yakadzika sulfuric acid muchikamu cheblue fluorescence.
Shandisa Ichi chigadzirwa chinonzi choleretic, uye chiri chepakati cheanti-allergic drug cromolyn sodium.

Product Detail

Product Tags

Risk Codes R36/37/38 - Kushungurudza maziso, kufema system uye ganda.
R20/21/22 – Zvinokuvadza nekufema, kubata ganda uye kana ikamedzwa.
Tsanangudzo Yekuchengetedza S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa.
S37/39 - Pfeka magirovhosi akakodzera uye dziviriro yeziso / kumeso
S36 - Pfeka zvipfeko zvinodzivirira zvakakodzera.
WGK Germany 2
RTECS GN7000000
TSCA Ehe
HS Code 29329990
Hazard Note Irritant
Muchetura LD50 yemuromo mugonzo: 3850mg/kg

 

Nhanganyaya

Oxymethocoumarin, inozivikanwawo se vanillone, ndeye organic compound.

 

Hunhu:

Chitarisiko: Oxymethaumarin ichena kana yero crystalline yakasimba ine kunhuhwirira kwakakosha, kwakafanana nevanilla.

Solubility: Oxymethocoumarin inonyungudika zvishoma mumvura inopisa, asi inenge isinganyunguriki mumvura inotonhora. Inonyungudika muorganic solvents senge ethanol, ether uye chloroform.

Chemical properties: Oxymethacoumarin inenge yakagadzikana muine acidic solution, asi iri nyore kuparara mune yakasimba alkaline solution kana kupisa kwakanyanya.

 

Shandisa:

 

Nzira:

Oxymethaumarin inogona kutorwa kubva muvanila yechisikigo uye inonyanya kutorwa kubva kune vanilla herbaceous zvinomera senge vanilla bhinzi kana vanilla uswa. Uye zvakare, inogona zvakare kugadzirirwa nenzira dzekugadzira, kazhinji kushandisa yakasikwa coumarin seyakabikwa, uye inoshandurwa kuburikidza neakatevedzana emakemikari maitiro.

 

Zvekuchengetedza

Oxymethocoumarin inowanzoonekwa yakachengeteka, asi kusawirirana kunogona kuitika kune vamwe vanhu. Kana ichigadzirwa uye ichishandiswa muindasitiri, matanho akakodzera ekuchengetedza anofanirwa kutorwa, sekupfeka magirovhosi ekudzivirira uye magirazi ekudzivirira. Kusangana nezvinhu zvakaita seasidhi yakasimba, alkali yakasimba, uye maoxidants zvinofanirwa kudziviswa kudzivirira njodzi.


  • Zvakapfuura:
  • Zvinotevera:

  • Nyora meseji yako pano uye titumire kwatiri