12-Crown-4 | CAS 294-93-9 | Chemical-Suppliers

Element: crown

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C-S » Chemicals » crown-PX39729

Identification

12-Crown-4

CAS:

294-93-9

EINECS:

206-036-5

Molecular Formula:

C₈H₁₆O₄

MDL:

SMILES:

C1COCCOCCOCCO1

Synonym:

eoct ; 12-crown 4-ether ; 1,4,7,10-tetraoxycyclododecane ; crown ether/12-crown-4 ; 12-crown-4 ; ethylene oxide cyclic tetramer ; lithium ionophore v ; crown ; 1,4,7,10-tetraoxacyclododecane ; 12-crown-4,97%

Description

12-Crown-4 is a Phase transfer catalyst, complexing-agent for lithium. Aprotic "solvent" for alkali metals, the sodium solution is a strong reducing agent.

Suppliers

H&Z Industry Co.,Ltd

HIC200800

Shandong SanYoung Industry Co., Ltd

SSI3501400

Dr. Silviu Pharmachem Pvt. Ltd.

DSPP3101550

Synthon-Chemicals GmbH & Co. KG

ST02938

Pharmacore Co., Limited

PL230690

CM Fine Chemicals

CFC170680

Xingrui Industry Co., Limited

XIL2901160

Amadis Chemical Company Limited

ACCL3101550

Leap Chem Co., Ltd

LC180540

Santa Cruz Biotechnology, Inc.

254004

Dayang Chem (Hangzhou) Co.,Ltd.

DC3101240

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CAS equal suppliers

12-Crown-4,98%

Ascender Chemical Co.,Ltd

ACC3501400

12-Crown-4, 97%

Acros Organics BVBA

AOB2851140

12-Crown-4, 98%

Alfa (A Johnson Matthey Company)

A4801440

12-Crown 4-Ether

TCI Chemicals (India) Pvt. Ltd.

C0858

12-Crown 4-ether

Merck Schuchardt OHG

MSO6402560

1,4,7,10-Tetraoxacyclododecane

Angene International Limited

AGN-PC-0JK8YP

1,4,7,10-tetraoxacyclododecane

Capot Chemical Co., Ltd.

35198

1,4,7,10-Tetraoxycyclododecane

Xiamen Equation Chemical Co.,Ltd

XECC9604800

1,4,7,10-Tetraoxycyclododecane

Simagchem Corporation

SC6301890

1,4,7,10-Tetraoxycyclododecane

Xiamen Hisunny Chemical Co., Ltd.

XHC9903960

Prices & Availability

Data is processed

Properties for 12-Crown-4

Molecular Weight:

176.21 g·mol−1

Density:

1.089 g/mL at 25 °C(lit.)

Melting point:

16 °C(lit.)

Boiling point:

61-70 °C0.5 mm Hg(lit.)

Flash point:

>230 ºF

Safety & Transport Information

Risk Codes:

R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed
R26 - Very toxic by inhalation
R36/37/38 - Irritating to eyes, respiratory system and skin

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S28 - After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
S36 - Wear suitable protective clothing
S36/37 - Wear suitable protective clothing and gloves
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)

Hazard Classes:

6.1

Hazard Symbols:

T+, Xn, Xi
Hazard symbol Xn

Storage temperature :

2-8 °C

RID/ADR certification :

UN 2810

Alternative Distributors of [12-Crown-4]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified