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324515

Sigma-Aldrich

trans-1,4-Dichloro-2-butene

98%

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About This Item

Linear Formula:
ClCH2CH=CHCH2Cl
CAS Number:
Molecular Weight:
125.00
Beilstein:
1719693
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

10 mmHg ( 20 °C)

Quality Level

Assay

98%

form

liquid

refractive index

n20/D 1.488 (lit.)

bp

74-76 °C/40 mmHg (lit.)

mp

1-3 °C (lit.)

density

1.183 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

ClC\C=C\CCl

InChI

1S/C4H6Cl2/c5-3-1-2-4-6/h1-2H,3-4H2/b2-1+

InChI key

FQDIANVAWVHZIR-OWOJBTEDSA-N

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Application

trans-1,4-Dichloro-2-butene may be used for the alkylation of adenine to 9-alkylpurines. It can react with diethyl malonate to form vinylcyclopropane derivative. It can also undergo asymmetric allylic alkylation with Grignard reagents in the presence of copper thiophene carboxylate catalyst.

Other Notes

85%, remainder predominantly cis isomer

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

127.4 °F - closed cup

Flash Point(C)

53 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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