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

Ngwongwo kemịkalụ:

Usoro ihe omimi C4H4O2
Molar Mass 84.07
Njupụta 1.185 g/mL na 25 Celsius C (ọkụ)
Ebe Na-agbaze 4-5 Celsius C (ọkụ ọkụ)
Ebe Boling 86-87 Celsius C/12 mmHg (ọkụ.)
Ebe mgbari 214°F
Nọmba JECFA 2000
Mmiri Solubility Na-enweghị atụ na mmiri.
Solubility Chloroform, ethyl acetate (obere)
Uzuoku nrịbama 0.273mmHg na 25°C
Ọdịdị Mmiri mmiri
Agba Kpochapụ enweghị ụcha ka ọ na-acha odo odo ma ọ bụ amber
BRN 383585
Ọnọdụ Nchekwa 2-8 Celsius C
Nkwụsi ike Mmiri nwere mmetụta
Ntụgharị uche n20/D 1.469 (ọkụ)
Njirimara anụ ahụ na kemịkalụ
njupụta:
1.185

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu 36/37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa 26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
WGK Germany 3
RTECS LU3453000
FLUKA BRAND F CODES 8-10
Koodu HS 29322980
Ihe edeturu egwu Iwe iwe

 

Okwu mmalite

γ-crotonyllactone (GBL) bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke ọdịdị, ojiji, usoro mmepụta na ozi nchekwa nke GBL:

 

Ogo:

Ọdịdị: Mmiri mmiri na-enweghị agba na-esi ísì dị ka ethanol.

Njupụta: 1.125 g/cm³

Solubility: Soluble na ọtụtụ ihe mgbaze organic, dị ka mmiri, mmanya, ether, wdg.

 

Jiri:

Ejiri ụlọ ọrụ mmepụta ihe: GBL na-ejikarị dị ka surfactant, ihe mgbaze e ji esiji ákwà, ihe mgbaze resin, ihe mgbaze plastik, onye na-ehicha ihe, wdg.

 

Usoro:

Enwere ike nweta GBL site na oxidizing crotonone (1,4-butanol). Usoro nkwadebe a kapịrị ọnụ bụ ịmeghachi crotonone na gas chlorine iji mepụta 1,4-butanedione, wee mee hydrogenate 1,4-butanedione na NaOH iji mepụta GBL.

 

Ozi nchekwa:

GBL nwere njiri mara oke mgbanwe na nnabata dị mfe nke akpụkpọ anụ na akpụkpọ anụ mucous, ma nwee ụfọdụ nsi na ahụ mmadụ. Jiri nlezianya mee ihe.

GBL nwere ike inwe mmetụta na sistemu ụjọ nke etiti, yana oke onunu ogwu nwere ike ibute nsonaazụ ọjọọ dị ka isi ọwụwa, iro ụra, na adịghị ike akwara. Soro iwu na ụkpụrụ dị mkpa.


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