4-Methylbenzyl bromide

CAS No.：104-81-4

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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4-Methylbenzyl bromide Basic information

Product Name:	4-Methylbenzyl bromide
Synonyms:	-Bromo-p-xylene;omega-Bromo-p-xylene;p-(bromomethyl)toluene;p-Xylene, alpha-bromo-;p-Xylyl-alpha-bromide;p-xylylalpha-bromide;P-XYLYL BROMIDE;P-METHYLBENZYL BROMIDE
CAS:	104-81-4
MF:	C8H9Br
MW:	185.06
EINECS:	203-240-6
Product Categories:	Benzyl
Mol File:	104-81-4.mol

4-Methylbenzyl bromide Chemical Properties

Melting point	34-36 °C(lit.)
Boiling point	218-220 °C(lit.)
density	1,324 g/cm³
refractive index	1.5540 (estimate)
Fp	208 °F
storage temp.	2-8°C
form	Crystalline Mass
color	White to light yellow
Water Solubility	practically insoluble
Merck	14,10090
BRN	507389
CAS DataBase Reference	104-81-4(CAS DataBase Reference)
NIST Chemistry Reference	1-Bromomethyl-4-methylbenzene(104-81-4)
EPA Substance Registry System	Benzene, 1-(bromomethyl)-4-methyl- (104-81-4)

Safety Information

Hazard Codes	C
Risk Statements	34-20/21/22
Safety Statements	26-36/37/39-45
RIDADR	UN 3417 6.1/PG 2
WGK Germany	3
RTECS	CY9039300
F	8-19
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	29039990
Hazardous Substances Data	104-81-4(Hazardous Substances Data)

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

4-Methylbenzyl bromide Usage And Synthesis

Chemical Properties	White to pale yellow solid or melt
Uses	In organic syntheses; in war-gas formulations.
Uses	4-Methylbenzyl bromide is used as a pharmaceutical intermediate.
Purification Methods	Crystallise the bromide from EtOH or pentane. [Beilstein 5 H 385, 5 IV 969.]

4-Methylbenzyl bromide Preparation Products And Raw materials

Raw materials	Hydrogen bromide-->P-XYLENE-->p-(dimethoxymethyl)toluene-->4-Methylphenylacetic acid-->2-Methylbenzyl bromide
Preparation Products	TRIMETHYLGERMANIUM BROMIDE-->DI-P-TOLYLMETHANE-->4-Methylbenzhydrol-->CHEMBRDG-BB 4024842-->1,4-Bis(imidazole-l-ylmethyl)benzene-->4-Methylbenzylsulfonyl chloride-->Boc-S-(4-methylbenzyl)-L-cysteine

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