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ngwaahịa

3-Hydroxy-2-methyl-4-pyrone (CAS#118-71-8)

Ngwongwo kemịkalụ:

Usoro ihe omimi C6H6O3
Molar Mass 126.112
Njupụta 1.261g/cm3
Ebe Na-agbaze 160-164 ℃
Ebe Boling 290.3°C na 760 mmHg
Ebe mgbari 124.8C
Mmiri Solubility 1.2 g / 100 ml (25 ℃)
Solubility Solubility na mmiri: 12g / L (25 Celsius C), soluble na ethanol na propylene glycol, soluble na benzene na ether na obere ego.
Uzuoku nrịbama 0.000228mmHg na 25°C
Ọdịdị Ụdị Liquid, agba doro anya enweghị agba
pKa 8.41± 0.10 (buru amụma)
PH 5.3 (0.5g/l, H2O)
Ọnọdụ Nchekwa 2-8 Celsius C
Ntụgharị uche 1.54
MDL MFCD00006578
Njirimara anụ ahụ na kemịkalụ Ebe mgbaze 160-164°C
Ebe esi mmiri ọkụ 170°C (10 mmHg)
mmiri-soluble 1.2g/100 ml (25°C)
Jiri Ejiri ya dị ka ihe mgbakwunye nri, ụtọ, enwere ike iji ekpomeekpo ụtaba

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xn - na-emerụ ahụ
Koodu ihe egwu R22 - na-emerụ ma ọ bụrụ na iloro ya
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
NJ UN UN 3334
WGK Germany 3
RTECS UQ1050000
TSCA Ee
Koodu HS 29329995

 

 


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