(R)-(-)-1,2-Propanediol CAS 4254-14-2

CAS:4254-14-2

ʻAno Molekala:C3H8O2

Kaumaha Molekala:76.09

EINECS: NA

Nā huaʻōlelo like:(R)-(-)-PROPYLENE GLYCEROL; (R)-(-)-PROPYLENE GLYCOL; (R)-(-)-PROPANEDIOL; (R)-(-)-1,2-Propyleneglycol; (R)-(-)-1,2-PROPANEDIOL; (R)-1,2-PROPANEDIOL; (R)-(-)-1,2-DIHYDROXYPROPANE;(R)-1,2-propandiol; (R-(--1,2-Propanediol))-IwaenaNoTenofovir

Waiho i kāu leka

Huahana Huahana

Hoʻoiho

Huahana Huahana

He aha ka (R)-(-)-1,2-Propanediol CAS 4254-14-2?

(R) - (-) -1,2-Propanediol he wai ʻaʻole waihoʻoluʻu a ʻeleʻele melemele. (R) Loaʻa i nā hui hydroxyl i loko o ka hale o 1,2-propanediol kekahi nucleophilicity a ua maʻalahi lākou e hana i nā hopena hoʻololi nucleophilic me nā alkyl halides a me acyl halides no ka loaʻa ʻana o nā derivatives eter a me ester. Ma muli o ka noho ʻana o nā pūʻulu hydroxyl ʻelua i nā kūlana pili, hiki iā lākou ke hana i nā hopena condensation me nā aldehydes a me nā ketones e hana i nā pūhui aldehydes a i ʻole aldehyde.

Hōʻike

'ikamu	Hōʻike
Lae paila	186-188 °C765 mm Hg(māmā)
Maemae	99%
Lae hehee	-57C
pKa	14.49±0.20(Wanamua)
Nā kūlana mālama	ʻO ka lewa inert, ka wela lumi
ʻO ka mānoanoa	1.04 g/mL ma 25 °C(kukui.)

Palapala noi

(R) - (-) -1,2-Propanediol hiki ke hoʻohana ʻia ma ke ʻano he mea maka no nā resins polyester unsaturated a hiki ke hoʻohui ʻia me ka glycerol a i ʻole sorbitol ma ke ʻano he mea hoʻomaʻemaʻe i nā mea hoʻonaninani, nā niho, a me ke kopa. Hoʻohana ʻia i ka lauoho lauoho e like me ka mea hoʻoponopono moisture, homogenizer lauoho, antifreeze, a me ka pepa aniani, plasticizer, a me nā ʻoihana lāʻau.