Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-ETHYL-1,3-BUTADIENE
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Purity: 98.0%
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3404-63-5

3404-63-5 structure

3404-63-5 structure

Name: 2-ETHYL-1,3-BUTADIENE
Chemical Name: 3-methylidenepent-1-ene
CAS Number: 3404-63-5
Molecular Formula: C₆H₁₀
Molecular Weight: 82.14360
Create Date: 2018-06-11 11:58:23
Modify Date: 2025-08-26 07:07:43

Name	3-methylidenepent-1-ene
Synonyms	ethylbutadiene 1,3-BUTADIENE,2-ETHYL 2-Ethylbuta-1,3-dien 2-Ethylbuta-1,3-diene 1-Pentene,3-methylene 2-ethyl-1,3-butadiene 2-Ethylbutadiene ethyl-2 butadiene-1,3

Density	0.698g/cm3
Boiling Point	75ºC at 760mmHg
Molecular Formula	C₆H₁₀
Molecular Weight	82.14360
Exact Mass	82.07830
LogP	2.13860
Index of Refraction	1.41

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EJ0620000

CHEMICAL NAME :: 1,3-Butadiene, 2-ethyl-

CAS REGISTRY NUMBER :: 3404-63-5

BEILSTEIN REFERENCE NO. :: 1731547

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H10

MOLECULAR WEIGHT :: 82.16

WISWESSER LINE NOTATION :: 1UY2&1U1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03509

HS Code	2901299090

Precursor 10
2747-52-6 1574-34-1 922-63-4 918-85-4
100-99-2 463-51-4 10519-72-9 765306-07-8
118068-74-9 922-61-2
DownStream 8
4549-74-0 922-63-4 1629-58-9 760-20-3
74-84-0 3727-31-9 542-92-7 96-39-9

HS Code	2901299090
Summary	2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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