(S,S)-DIOP

PRODUCT IDENTIFICATION

CAS NO. 37002-48-5

(S,S)-DIOP

EINECS NO. 253-307-9
FORMULA C31H32O2P2
MOL WT. 498.54

H.S. CODE

TOXICITY

SYNONYMS (+)-DIOP;
(+)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane; (4S,5S)-(+)-O-Isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino)butane; (4S,5S)-(+)-4,5-Bis[(diphenylphosphino)methyl]-2,2-dimethyl-1,3-dioxolane; (4S-trans)-[(2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene)] bis(diphenyl phosphine); (+)-2,3-O-Isopropylidene-2,3- dihydroxy-1,4-bis(diphenyl phosphino)butane; (4S,5S)-4,5-Bis(diphenylphosphino- methyl)-2,2- dimethyl- 1,3-dioxolane;

DERIVATION

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE white powder
MELTING POINT 88 - 90 C
BOILING POINT  
SPECIFIC GRAVITY  
SOLUBILITY IN WATER  
pH  
VAPOR DENSITY

 

AUTOIGNITION

 

NFPA RATINGS

Health: 2; Flammability: 0; Reactivity: 1

REFRACTIVE INDEX

 
FLASH POINT

 

STABILITY

Stable under ordinary conditions. Air sensitive.

GENERAL DESCRIPTION

Chiral hydrogenation catalyst for the preparation of enantiomerically pure compounds. Disilylation of unsaturated ketones, Heck reaction, hydroformylation.
SALES SPECIFICATION

APPEARANCE

white powder

CHEMICAL PURITY

99.0% min

OPTICAL PUIRTY

99.0% min e.e.
TRANSPORTATION
PACKING
 
HAZARD CLASS  
UN NO.  
OTHER INFORMATION
Hazard Symbols: XI, Risk Phrases: 36/37/38, Safety Phrases: 26-36/37
Optical Rotation: +12° ~ -13° (C=5 in Benzene)