ChemicalBook >?? ???? >?? ??>?? ??>??? ??>2-??-1,3-????????

2-??-1,3-????????

2-??-1,3-???????? ??? ???

?? ??:: 765-69-5

???:: 2-??-1,3-????????

???(??):: 2-??-1,3-????????

???:: 2-Methyl-1,3-cyclopentanedione

???(??):: 1,3-Cyclopentanedione, 2-methyl-;2-Methylcyclopentane-1,3-dione;2-Methyl-1;2-Methyl-1,3-cyclopentadione;-1,3-cycL;METHYLCYCLE-D;2-Methylcyclopentan-1,3-dion;2-METHYLCYCLOPENTAN-1,3-DIONE;2-METHYL-1,3-CYCLOPENTANEDIONE;2-Methyl-1,3-dioxocyclopentane

CBNumber:: CB5272422

???:: C6H8O2

??? ??:: 112.13

MOL ??:: 765-69-5.mol

MSDS ??:: SDS

MSDS

?? ?? 299

2-??-1,3-???????? ??

???: 212-215 °C (lit.)

?? ?: 213°C (estimate)

??: 1.0795 (rough estimate)

???: 1.4550 (estimate)

?? ??: Store below +30°C.

???: ??? ???? ?? ???(?? ???).

??? ??: ??? ??

?? ?? (pKa): 10.83±0.20(Predicted)

??: ?? ????? ?????

??????(pH): 2.95 at 24.7℃ and 10g/L

BRN: 1237255

InChI: 1S/C6H8O2/c1-4-5(7)2-3-6(4)8/h4H,2-3H2,1H3

InChIKey: HXZILEQYFQYQCE-UHFFFAOYSA-N

SMILES: CC1C(=O)CCC1=O

LogP: -0.8 at 30℃ and pH7.66

CAS ??????: 765-69-5(CAS DataBase Reference)

NIST: 1,3-Cyclopentanedione, 2-methyl-(765-69-5)

?? ? ?? ??
?? ? ???? ?? (GHS)

??? ??	Xi
?? ???? ??	36/37/38
?????	22-24/25-36-26
WGK ??	3
?? ?? ??	Irritant
HS ??	29142900
???? ???	11 - Combustible Solids

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	P- ??
H302	??? ???	?? ?? ?? - ??	?? 4	??	P264, P270, P301+P312, P330, P501
H315	??? ??? ???	????? ?? ?????	?? 2	??	P264, P280, P302+P352, P321,P332+P313, P362
H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??	P264, P280, P305+P351+P338,P337+P313P
H332	???? ???	?? ?? ?? ??	?? 4	??	P261, P271, P304+P340, P312
H335	?? ???? ??? ? ??	?? ???? ?? - 1? ??;???? ??	?? 3	??

??????:

P261	??·?·??·???·??·...·????? ??? ????.
P280	????/???/???/?????? ?????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

NFPA 704

	0
1		0

2-??-1,3-???????? MSDS

2-Methylcyclopentane-1,3-dione

2-??-1,3-???????? C??? ??, ??, ??

??? ??

LIGHT BEIGE TO TAN CRYSTALLINE POWDER

??

2-Methyl-1,3-cyclopentanedione was used as a reactant in the identification and characterization of benzil (diphenylethane-1,2-dione) analogues as inhibitors of mammalian carboxylesterases.

Synthesis Reference(s)

Synthetic Communications, 19, p. 373, 1989 DOI: 10.1080/00397918908050676

2-??-1,3-???????? ?? ?? ? ???

???

4-????-2-??-1,3-??????? 5-???????-1,2,4-??? ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate 1,2-BIS(TRIMETHYLSILYLOXY)CYCLOBUTENE 1,3-???????? ????? ???? ??? ??????? ????? ??? t-?? ???????? ?????? 1,1-?????? 1,4-????????

?? ??

2-[2-(6-methoxytetralin-1-ylidene)-ethyl]-2-methylcyclopentane-1,3-dione

2-??-1,3-???????? ?? ??

???( 299)?? ??

???	??	???	??	?? ?	??
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2-??-1,3-???????? ?? ??:

?????? ???? ???????? ???? ?? ?? ???? (2B) ????????????? ??????????????? ??????????? 2,4-???? ???????????? ??????? ????? ?????? ????? ??????? ????-?? Tribenuron methyl METSULFURON METHYL

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