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262633

Sigma-Aldrich

2,4-Dimethylstyrene

97%, contains ~500 ppm tert-butylcatechol as stabilizer

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About This Item

Linear Formula:
(CH3)2C6H3CH=CH2
CAS Number:
2234-20-0
Molecular Weight:
132.20
EC Number:
218-781-3
MDL number:
MFCD00014937
UNSPSC Code:
12162002
PubChem Substance ID:
24855881
NACRES:
NA.23

Quality Level

100

Assay

97%

form

liquid

contains

~500 ppm tert-butylcatechol as stabilizer

refractive index

n20/D 1.543 (lit.)

bp

73-74 °C/10 mmHg (lit.)

mp

−64 °C (lit.)

density

0.906 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1ccc(C=C)c(C)c1

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

140.0 °F - closed cup

Flash Point(C)

60 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBF3004V
S73962V
S73962
11918BJ
11718BJ

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