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284548

3,4-(Methylenedioxy)toluene

Name: 3,4-(Methylenedioxy)toluene
Brand: ALDRICH

97%

Synonym(s):

5-Methyl-1,3-benzodioxole

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About This Item

Empirical Formula (Hill Notation):

C₈H₈O₂

CAS Number:

7145-99-5

Molecular Weight:

136.15

NACRES:

NA.22

PubChem Substance ID:

24857165

UNSPSC Code:

12352100

MDL number:

MFCD00005833

Assay:

97%

Form:

liquid

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Properties

Quality Segment

100

assay

97%

form

liquid

refractive index

n20/D 1.532 (lit.)

bp

199-200 °C (lit.)

density

1.135 g/mL at 25 °C (lit.)

SMILES string

Cc1ccc2OCOc2c1

InChI

1S/C8H8O2/c1-6-2-3-7-8(4-6)10-5-9-7/h2-4H,5H2,1H3

InChI key

GHPODDMCSOYWNE-UHFFFAOYSA-N

Description

Application

3,4-(Methylenedioxy)toluene can be used as a cation scavenger for the selective cleavage of 4-(3,4-dimethoxyphenyl)benzyl (DMPBn) ethers affording the corresponding deprotected products in the presence of trifluoroacetic acid (TFA) in anhydrous CH₂Cl₂.
It can also be used as a starting material to prepare:

1,3-Benzodioxole-5-carboxaldehyde via photooxidation using CBr₄.
6-Methyl-1,3-benzodioxole-5-carboxaldehyde by treating with dichloromethylmethyl ether and TiCl₄.

Pictograms

GHS05,GHS07

Signal Word

Danger

Hazard Codes

H302,H318

Precautionary Statements

P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

10 - Combustible liquids

Flash Point (°F)

168.8 °F - closed cup

Flash Point (°C)

76 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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