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chigadzirwa

gamma-crotonolactone (CAS#497-23-4)

Chemical Property:

Molecular Formula C4H4O2
Molar Misa 84.07
Density 1.185 g/mL pa25 °C (lit.)
Melting Point 4-5 °C (lit.)
Boling Point 86-87 °C/12 mmHg (lit.)
Flash Point 214°F
Nhamba yeJECFA 2000
Mvura Solubility Kusapindirana nemvura.
Solubility Chloroform, Ethyl Acetate (Zvishoma)
Vapor Presure 0.273mmHg pa25°C
Chitarisiko Liquid
Color Yakajeka isina ruvara kune yakachenuruka yero kana amber
BRN 383585
Storage Condition 2-8°C
Kugadzikana Hunyoro Inonzwa
Refractive Index n20/D 1.469(lit.)
Zvenyama uye Chemical Properties
density:
1.185

Product Detail

Product Tags

Hazard Symbols Xi – Hasha
Risk Codes 36/37/38 - Kushungurudza maziso, kufema system uye ganda.
Tsanangudzo Yekuchengetedza 26 – Kana wasangana nemaziso, sukurudza nekukasira nemvura yakawanda uye tsvaga rubatsiro kuna chiremba.
WGK Germany 3
RTECS LU3453000
FLUKA BRAND F CODES 8-10
HS Code 29322980
Hazard Note Irritant

 

Nhanganyaya

γ-crotonyllactone (GBL) isanganiswa yeorganic. Iyi inotevera sumo kune hunhu, kushandiswa, nzira yekugadzira uye ruzivo rwekuchengetedza yeGBL:

 

Hunhu:

Chitarisiko: Mvura isina ruvara inoonekera ine ethanol-yakafanana nekunhuhwirira.

Density: 1.125 g/cm³

Solubility: Soluble mune akawanda organic solvents, senge mvura, doro, ether, nezvimwe.

 

Shandisa:

Kushandiswa kwemaindasitiri: GBL inoshandiswa zvakanyanya se surfactant, dhayi solvent, resin solvent, plastiki solvent, yekuchenesa agent, nezvimwe.

 

Nzira:

GBL inogona kuwanikwa neoxidizing crotonone (1,4-butanol). Iyo chaiyo yekugadzirira nzira ndeyekuita crotonone ine chlorine gasi kugadzira 1,4-butanedione, uye ipapo hydrogenate 1,4-butanedione neNaOH kugadzira GBL.

 

Zvekuchengetedza

GBL ine hunhu hwekusagadzikana kwepamusoro uye kunyura nyore kweganda uye mucous membranes, uye ine imwe huturu kumuviri wemunhu. Shandisa nekuchenjerera.

GBL inogona kuve nemhedzisiro pane yepakati tsinga sisitimu, uye yakawandisa dosi inogona kutungamira kune yakaipa mhedzisiro yakadai sedzungu, kurara, uye kushaya simba kwemhasuru. Teerera mitemo nemirairo yakakodzera.


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