1,2,4,5-TETRABROMOBENZENE

CAS No.：636-28-2

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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1,2,4,5-TETRABROMOBENZENE Basic information

Product Name:	1,2,4,5-TETRABROMOBENZENE
Synonyms:	1,2,4,5-TETRABROMOBENZENE;1,2,4,5-tetrabromo-benzen;2,3,5,6-Tetrabromobenzene;Benzene,1,2,4,5-tetrabromo-;I,2,4,5-Tetrabrombenzol;TETRABROMOBENZENE;1,2,4,5-Tetrabromobenzene,97%;1,2,4,5-TetrabroMobenzene, 97% 25GR
CAS:	636-28-2
MF:	C6H2Br4
MW:	393.7
EINECS:	211-253-3
Product Categories:	Aromatic Hydrocarbons (substituted) & Derivatives;Aryl;C6;Halogenated Hydrocarbons
Mol File:	636-28-2.mol

1,2,4,5-TETRABROMOBENZENE Chemical Properties

Melting point	180-182 °C (lit.)
Boiling point	277.95°C (rough estimate)
density	3,072 g/cm³
refractive index	1.6303 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	Soluble in alcohol, benzene, and ether (Weast, 1986)
form	Crystalline Powder, Crystals or Needles
color	Beige to brown
Water Solubility	Insoluble in water.
BRN	1365830
Stability:	Light Sensitive
InChIKey	QCKHVNQHBOGZER-UHFFFAOYSA-N
CAS DataBase Reference	636-28-2(CAS DataBase Reference)
EPA Substance Registry System	1,2,4,5-Tetrabromobenzene (636-28-2)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-37/39
WGK Germany	3
TSCA	Yes
HS Code	29039990

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

1,2,4,5-TETRABROMOBENZENE Usage And Synthesis

Chemical Properties	brown crystalline needles
Uses	1,2,4,5-Tetrabromobenzene is a useful synthetic intermediate. It is used as a building block to prepare various aryl containing compounds such as tetrabenzanthracene, substituted pentacenes [pentacene (P237770)], n-stacking tetracene (N377650) derivatives and so on.
General Description	The single structure of 1,2,4,5-tetrabromobenzene as actuating elements was studied and the relations between their mechanical properties and kinematic profile were determined.
Environmental fate	Chemical/Physical. 1,2,4,5-Tetrabromobenzene (150 mg in 250-mL distilled water) was stirred in the dark for 1 day. GC analysis of the solution showed 1,2,4-tribromobenzene as a major transformation product (Kim and Saleh, 1990).

1,2,4,5-TETRABROMOBENZENE Preparation Products And Raw materials

Preparation Products

1,2,4,5-tetraphenylbenzene-->2-BROMO-3-IODONAPHTHALENE-->5-BROMO-1,2,4-TRIMETHYLBENZENE-->1,2,4,5-TETRACYANOBENZENE

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