(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane , 98% , 32305-98-9

Synonym(s):
(−)-1,4-Bis(diphenylphosphino)-1,4-dideoxy-2,3-O-isopropylidene-L-threitol;(R,R)-DIOP;(4R,5R)-4,5-Bis(diphenylphosphino-methyl)-2,2-dimethyl-1,3-dioxolane;(4R-trans)-[(2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene)]bis(diphenylphosphine)

CAS NO.：32305-98-9

Empirical Formula: C31H32O2P2

Molecular Weight: 498.54

MDL number: MFCD00014107

EINECS: 250-984-2

PRODUCT Properties

• Melting point: 88-90 °C(lit.)
• alpha: -26° (c 2.0, CHCl3)
• Boiling point: 590.3±25.0 °C(Predicted)
• storage temp.: 2-8°C
• form: Powder
• color: white
• optical activity: [α]19/D 26°, c = 2.3 in chloroform
• Sensitive: Air Sensitive
• BRN: 1441045

Description and Uses

For the in situ preparation of chiral hydrogenation catalysts.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36/37
• WGK Germany: 3
• F: 10-23
• TSCA: No
• HS Code: 29329990