Cyclopentene

Modify Date: 2024-01-02 10:39:38

Cyclopentene structure	Common Name	Cyclopentene
	CAS Number	142-29-0	Molecular Weight	68.117
	Density	0.8±0.1 g/cm3	Boiling Point	44.2±0.0 °C at 760 mmHg
	Molecular Formula	C₅H₈	Melting Point	−135 °C(lit.)
	MSDS	N/A	Flash Point	-44.9±10.3 °C

Name	cyclopentene
Synonym	More Synonyms

Density	0.8±0.1 g/cm3
Boiling Point	44.2±0.0 °C at 760 mmHg
Melting Point	−135 °C(lit.)
Molecular Formula	C₅H₈
Molecular Weight	68.117
Flash Point	-44.9±10.3 °C
Exact Mass	68.062599
LogP	2.33
Vapour Pressure	378.4±0.0 mmHg at 25°C
Index of Refraction	1.465
Stability	Stable. Highly flammable. Incompatible with strong oxidizing agents. Store cold.
Water Solubility	immiscible

Cyclopentene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GY5950000

CHEMICAL NAME :: Cyclopentene

CAS REGISTRY NUMBER :: 142-29-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C5-H8

MOLECULAR WEIGHT :: 68.13

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2140 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 16000 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1590 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0863 No. of Facilities: 47 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 3111 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0863 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 51 (estimated)

Hazard Codes	F:Flammable
Risk Phrases	R11;R21/22;R52/53;R65;R67
Safety Phrases	S9-S16-S26-S33-S36-S62-S61-S36/37
RIDADR	UN 2246 3/PG 2
WGK Germany	3
RTECS	GY5950000
Packaging Group	II
Hazard Class	3
HS Code	2902199090

Precursor 10
CAS#:542-92-7 Cyclopentadiene CAS#:77-73-6 Tricyclo[5.2.1.... CAS#:79885-00-0 tetrahydroindene CAS#:287-92-3 Cyclopentane
CAS#:5057-98-7 cis-Cyclopentan... CAS#:285-67-6 Cyclopentene oxide CAS#:930-28-9 Chlorocyclopentane CAS#:7789-20-0 Heavy water
CAS#:96-41-3 Cyclopentanol CAS#:137-43-9 Bromocyclopentane
DownStream 9
CAS#:3875-51-2 Isopropylcyclop... CAS#:2207-01-4 1,2-cis-dimethy... CAS#:6876-23-9 trans-1,2-Dimet... CAS#:3400-45-1 Cyclopentanecar...
CAS#:1560-11-8 1-CYCLOPENTENEC... CAS#:52829-98-8 Cyclopentanemet... CAS#:13668-59-2 2-Cyclopentenem... CAS#:79828-30-1 trans-1-Hydroxy...
CAS#:488-86-8 Croconic acid

HS Code	2902199090
Summary	2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Cyclopentene
Price: ￥315.0/500ml ￥95.0/100ml
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Cyclopentene TOP1 supplier
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

Zhejiang Hangyu API Co., Ltd
China
Product Name: Cyclopentene
Price: ￥Inquiry/1kg
Purity: 99.5%
Stocking Period: Inquiry
Contact: Vinnie

Henan Tianfu Chemical Co., Ltd.
China
Product Name: cyclopentene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

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