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Safety Information

269522

Sigma-Aldrich

N-(4-Ethoxybenzylidene)-4-butylaniline

98%

Synonym(s):

4-Butyl-N-(4-ethoxybenzylidene)aniline, EBBA

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About This Item

Linear Formula:
CH3(CH2)3C6H4N=CHC6H4OC2H5
CAS Number:
29743-08-6
Molecular Weight:
281.39
EC Number:
249-821-8
MDL number:
MFCD00009465
UNSPSC Code:
12352103
PubChem Substance ID:
24856332
NACRES:
NA.23

Assay

98%

form

liquid crystal

mp

38-44 °C (lit.)

SMILES string

CCCCc1ccc(cc1)\N=C\c2ccc(OCC)cc2

InChI

1S/C19H23NO/c1-3-5-6-16-7-11-18(12-8-16)20-15-17-9-13-19(14-10-17)21-4-2/h7-15H,3-6H2,1-2H3/b20-15+

InChI key

DBOAVDSSZWDGTH-HMMYKYKNSA-N

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

269522-VAR:
269522-BULK:
269522-25G:
269522-100G:

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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K J Franklin et al.
International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group, 8(2), 253-262 (1992-03-01)
A temperature probe based on the magnetic resonance properties of an encapsulated liquid crystal has been investigated. Large changes in magnetic resonance signals occur as the liquid crystal undergoes a phase transition from an anisotropic (nematic) state to the isotropic
Bibhuti B Das et al.
Solid state nuclear magnetic resonance, 33(3), 57-63 (2008-04-15)
An improved pulse sequence for SLF experiments based on the magic sandwich (MS) scheme for homo-nuclear dipolar decoupling is proposed. The sequence incorporates a double MS, both on I and S spins and has been named as EXE-MS2. The proposed
D Wróbel
Biophysical chemistry, 26(1), 91-99 (1987-04-01)
The resonance Raman (RR) spectra of chlorophyll (Chl) a, Chl b and pheophytin a dissolved in a liquid-crystalline MBBA + EBBA mixture were measured. The RR frequencies of chlorophylls in the liquid crystal (LC) are compared with those of solutions

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