Methyl cyclopentenolone

Modify Date: 2025-08-20 23:24:04

Methyl cyclopentenolone Structure
Methyl cyclopentenolone structure
 Common Name Methyl cyclopentenolone
CAS Number 80-71-7 Molecular Weight 112.127
Density 1.2±0.1 g/cm3 Boiling Point 212.2±40.0 °C at 760 mmHg
Molecular Formula C6H8O2 Melting Point 104-108°C
MSDS Chinese USA Flash Point 84.4±19.9 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Danger

 Names

Name 2-Hydroxy-3-methyl-2-cyclopentenone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 212.2±40.0 °C at 760 mmHg
Melting Point 104-108°C
Molecular Formula C6H8O2
Molecular Weight 112.127
Flash Point 84.4±19.9 °C
Exact Mass 112.052429
PSA 37.30000
LogP 0.30
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.549

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GY7298000
CHEMICAL NAME :
2-Cyclopenten-1-one, 2-hydroxy-3-methyl-
CAS REGISTRY NUMBER :
80-71-7
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C6-H8-O2
MOLECULAR WEIGHT :
112.14
WISWESSER LINE NOTATION :
L5V BUTJ BQ C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Human Lymphocyte
DOSE/DURATION :
1500 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 169,129,1986

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger
Hazard Statements H315-H319-H334-H335
Precautionary Statements P261-P305 + P351 + P338-P342 + P311
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases 36/37/38-43
Safety Phrases 26-36/37
RIDADR NONH for all modes of transport
RTECS GY7298000
HS Code 2914190090

 Synthetic Route

 Customs

HS Code 2914400090
Summary 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Articles5

More Articles
Identification and characterization of novel benzil (diphenylethane-1,2-dione) analogues as inhibitors of mammalian carboxylesterases.

J. Med. Chem. 48 , 2906-15, (2005)

Carboxylesterases (CE) are ubiquitous enzymes responsible for the metabolism of xenobiotics. Because the structural and amino acid homology among esterases of different classes, the identification of ...

3-methyl-1,2-cyclopentanedione down-regulates age-related NF-kappaB signaling cascade.

J. Agric. Food Chem. 55(16) , 6787-92, (2007)

Activation of the redox-sensitive transcription factor, nuclear factor-kappa B (NF-kappaB), plays a central role in inflammation and aging processes by inducing pro-inflammatory genes. The present stu...

Enantiomeric deoxycholic acid: total synthesis, characterization, and preliminary toxicity toward colon cancer cell lines.

J. Org. Chem. 72(24) , 9298-307, (2007)

Deoxycholic acid (DCA) is an endogenous secondary bile acid implicated in numerous pathological conditions including colon cancer formation and progression and cholestatic liver disease. DCA involveme...

 Synonyms

2-Cyclopenten-1-one, 3-hydroxy-2-methyl-
EINECS 201-303-2
MFCD00013747
3-Hydroxy-2-methylcyclopent-2-en-1-one
Methyl cyclopentenolone
3-Hydroxy-2-methyl-cyclopent-2-enone
3-Hydroxy-2-methyl-2-cyclopenten-1-one
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