1,2-Bis(bromomethyl)benzene

CAS No.：91-13-4

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.
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1,2-Bis(bromomethyl)benzene Basic information

Product Name:	1,2-Bis(bromomethyl)benzene
Synonyms:	O-XYLENE DIBROMIDE;O-XYLYLENE DIBROMIDE;O-XYLIDENE DIBROMIDE;O-XYLYLENE DIBROMIDE 97%;o-Xylylenedibromide,97%;à,à'-dibromo-o-xylene;1,2-dibenzyl bromide;1,2-Bis(bromomethyl)benzene, o-Xylylene dibromide
CAS:	91-13-4
MF:	C8H8Br2
MW:	263.96
EINECS:	202-042-7
Product Categories:	Aryl;Building Blocks;C8;Chemical Synthesis;Halogenated Hydrocarbons;Organic Building Blocks;Aromatic Halides (substituted)
Mol File:	91-13-4.mol

1,2-Bis(bromomethyl)benzene Chemical Properties

Melting point	91-94 °C(lit.)
Boiling point	140 °C / 20mmHg
density	1.96 g/mL at 25 °C(lit.)
refractive index	1.6113 (estimate)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
form	Crystals or Crystalline Powder
color	White to light cream
Water Solubility	soluble, hydrolyses
BRN	637159
InChIKey	KGKAYWMGPDWLQZ-UHFFFAOYSA-N
CAS DataBase Reference	91-13-4(CAS DataBase Reference)
NIST Chemistry Reference	Benzene, 1,2-bis(bromomethyl)-(91-13-4)
EPA Substance Registry System	Benzene, 1,2-bis(bromomethyl)- (91-13-4)

Safety Information

Hazard Codes	C
Risk Statements	22-34
Safety Statements	26-36/37/39-45
RIDADR	UN 3448 6.1/PG 2
WGK Germany	2
F	8-19-21
TSCA	Yes
HazardClass	8
PackingGroup	III
HS Code	29036990

MSDS Information

Provider	Language
1,2-Bis(bromomethyl)benzene	English
ACROS	English
SigmaAldrich	English
ALFA	English

1,2-Bis(bromomethyl)benzene Usage And Synthesis

Chemical Properties	white to light yellow crystal powde
Uses	1,2-Bis(bromomethyl)benzene is used in the synthesis of isothioureas involved in the inhibition of human nitric oxide synthases. Also used in the synthesis of tridentate carbene ligands.
Purification Methods	Crystallise it from CHCl3 or pet ether, and/or distil it under vacuum. [Wenner Org Chem 17 527 1952, Beilstein 5 H 366, 5 I 180, 5 II 285, 5 III 819, 5 IV 929.]

1,2-Bis(bromomethyl)benzene Preparation Products And Raw materials

Preparation Products

2H-Isoindole-->3',4'-dihydro-6-methylenespiro(2,4-cyclohexadiene-1,2'(1'H)-naphthalene)-->1,2-BIS(DIPHENYLPHOSPHINOMETHYL)BENZENE-->2-BENZYL-2,3-DIHYDRO-1H-ISOINDOLE-->1,2-Bis(cyanomethyl)benzene-->1,2-Benzenedimethanol-->1,2-Phenylenediacetic acid

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