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Tetrabromo-1,4-benzoquinone

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Origin: China

Cas No: 488-48-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 488-48-2 Formula: C6Br4O2 Molecular Weight: 423.67900

Description

A halogenated benxoquinone that is an effective inhibitor of photosynthetic electron transport through the spinach photosystem II and the cytochrome b6/f-complex.

Basic Info

Chemical Name	Tetrabromo-1,4-benzoquinone
Synonyms	2,3,5,6-TETRABROMO-(1,4)BENZOQUINONE; 2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetrabromo-; Q312 TETRABROMO-1,4-BENZOQUINONE; Tetrabromo-1,4-Benzoquinone; 2,3,5,6-tetrabromocyclohexa-2,5-diene-1,4-dione; Tetrabromo-p-benzoquinone;
CAS No.	488-48-2
Molecular Formula	C6Br4O2
Molecular Weight	423.67900
PSA	34.14000
LogP	3.14100

Properties

Appearance & Physical State	yellow crystalline powder
Density	3.127g/cm3
Boiling Point	340.5ºC at 760 mmHg
Melting Point	292-294ºC(lit.)
Flash Point	120ºC
Refractive Index	1.806
Storage Condition	Amber Vial, -20ºC Freezer
Vapor Pressure	8.54E-05mmHg at 25°C

Safety Info

RTECS	DK6772500
Safety Statements	S26-S37-S39
HS Code	2914700090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

3,5-Dibromo-4-methoxybenzoic acid+Water→Tetrabromo-1,4-benzoquinone+2,4,6-TRIBROMOANISOLE
Picric acid→tribromo(nitro)methane+Tetrabromo-1,4-benzoquinone
Water+dibromine→tribromo(nitro)methane+Tetrabromo-1,4-benzoquinone

Precursor

Benzoquinone
2,3,5,6-tetrabromocyclohexa-2,5-diene-1,4-dione compound with 3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (1:1)
4-nitrophenol
4-Fluorophenol

Downstream Product

3,6-dihydroxybenzene-1,2,4,5-tetracarbonitrile
cis-stilbene
1,2,4,5-tetrabromo-3,6-dimethoxybenzene
2,5-dibromo-3,6-diphenoxycyclohexa-2,5-diene-1,4-dione

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