2-Pentene, (2E)-

Modify Date: 2025-08-21 08:13:36

2-Pentene, (2E)- structure	Common Name	2-Pentene, (2E)-
	CAS Number	646-04-8	Molecular Weight	70.13290
	Density	0.64	Boiling Point	37ºC
	Molecular Formula	C₅H₁₀	Melting Point	-140ºC
	MSDS	Chinese USA	Flash Point	-18ºC
	Symbol	GHS02, GHS07, GHS08	Signal Word	Danger

Name	trans-2-Pentene
Synonym	More Synonyms

Density	0.64
Boiling Point	37ºC
Melting Point	-140ºC
Molecular Formula	C₅H₁₀
Molecular Weight	70.13290
Flash Point	-18ºC
Exact Mass	70.07830
LogP	1.97250
Vapour Pressure	8.06 psi ( 20 °C)
Index of Refraction	n20/D 1.381

2-Pentene, (2E)- MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SB2184500

CHEMICAL NAME :: 2-Pentene, (E)-

CAS REGISTRY NUMBER :: 646-04-8

BEILSTEIN REFERENCE NO. :: 1718795

LAST UPDATED :: 199710

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H10

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 gm/kg/4W-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in kidney weight

REFERENCE :: TIHEEC Toxicology and Industrial Health. (Princeton Scientific Pub. Co., POB 2155, Princeton, NJ 08540) V.1- 1985- Volume(issue)/page/year: (3),67,1985

Symbol	GHS02, GHS07, GHS08
Signal Word	Danger
Hazard Statements	H224-H304-H315-H319-H335
Precautionary Statements	P210-P280-P301 + P310-P304 + P340 + P312-P331-P403 + P235
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes	F:Highlyflammable;
Risk Phrases	R11
Safety Phrases	S16-S29-S33-S9
RIDADR	UN 3295 3/PG 2
WGK Germany	3
RTECS	SB2184500
Packaging Group	II
Hazard Class	3

Precursor 10
CAS#:627-19-0 Pent-1-yne CAS#:627-21-4 Pent-2-yne CAS#:109-67-1 Pent-1-ene CAS#:96-22-0 3-Pentanone
CAS#:107-81-3 2-Bromopentane CAS#:2004-70-8 trans-1,3-pentadiene CAS#:1809-10-5 3-Bromopentane CAS#:1574-41-0 cis-1,3-pentadiene
CAS#:637-97-8 Pentane, 2-iodo- CAS#:22415-74-3 2,3-Dibromopentane
DownStream 9
CAS#:26184-62-3 (2S)-2-Pentanol CAS#:31087-44-2 2-Pentanol CAS#:584-02-1 Pentan-3-ol CAS#:4385-04-0 1-Dimethylamino...
CAS#:22415-74-3 2,3-Dibromopentane CAS#:872-05-9 1-decene CAS#:590-18-1 cis-2-butene CAS#:624-64-6 2-butene
CAS#:7642-09-3 cis-3-Hexene

EINECS 203-695-0

trans-2-pentene

MFCD00009384

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Pentene, (2E)-
Price: Check
Purity: 99.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Pentene, (2E)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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