(R)-(-) -1,2-Propanediol CAS 4254-14-2
(R) - (-) -1,2-Propanediol bụ mmiri mmiri na-enweghị isi na-acha odo odo. (R) Otu hydroxyl dị na nhazi nke 1,2-propanediol nwere ụfọdụ nucleophilicity ma na-enwekarị ike ịnweta mmeghachi omume nucleophilic na alkyl halides na acyl halides iji nweta ether na ester ester. N'ihi na ìgwè abụọ hydroxyl nọ n'akụkụ dị nso, ha nwere ike nweta mmeghachi omume condensation na aldehydes na ketones iji mepụta aldehydes ma ọ bụ aldehyde ogige.
Ihe | Nkọwapụta |
Ebe esi nri | 186-188 Celsius C765 mm Hg (ọkụ) |
Ịdị ọcha | 99% |
Ebe mgbaze | -57C |
pKa | 14.49± 0.20 (buru amụma) |
Ọnọdụ nchekwa | Ikuku ikuku, Okpomọkụ ụlọ |
Njupụta | 1.04 g/mL na 25 Celsius C (ọkụ) |
(R) - (-) -1,2-Propanediol nwere ike iji dị ka akụrụngwa maka unsaturated polyester resins na ike ijikọ na glycerol ma ọ bụ sorbitol dị ka wetting ihe ịchọ mma, eze ntachi, na ncha. Ejiri ya na agba ntutu dị ka onye na-ahụ maka mmiri, ntutu homogenizer, antifreeze, yana na akwụkwọ iko, plasticizer, na ụlọ ọrụ ọgwụ.
A na-ebukarị ya na 25kg / drum, ma enwere ike ịme ngwugwu ahaziri.

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

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