3,4-(Methylenedioxy)toluene

ALDRICH/284548 - 97%

Synonym: 5-Methyl-1,3-benzodioxole

CAS Number: 7145-99-5
Empirical Formula (Hill Notation): C₈H₈O₂
Molecular Weight: 136.15
MDL Number: MFCD00005833
Linear Formula: C₈H₈O₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-284548-25ML	25 mL	$352.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	97%
bp	199-200 °C (lit.)
density	1.135 g/mL at 25 °C (lit.)
form	liquid
InChI	1S/C8H8O2/c1-6-2-3-7-8(4-6)10-5-9-7/h2-4H,5H2,1H3
InChI key	GHPODDMCSOYWNE-UHFFFAOYSA-N
Quality Level	100
refractive index	n20/D 1.532 (lit.)
SMILES string	Cc1ccc2OCOc2c1

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.

Packaging:

25 mL in glass bottle

Symbol	GHS05,GHS07
Signal word	Danger
Hazard statements	H302 - H318
Precautionary statements	P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310
Hazard Codes	Xn
Risk Statements	22-41
Safety Statements	26-39
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	168.8 °F - closed cup
Flash Point(C)	76 °C - closed cup

Purity	97%
bp	199-200 °C (lit.)
Density	1.135 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.532 (lit.)
UNSPSC	12352100

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