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TRANS-1,4-DIBROMO-2-BUTENE

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Origin: China

Cas No: 6974-12-5

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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CAS No.: 6974-12-5 Formula: C4H6Br2 Molecular Weight: 213.89800

Basic Info

Chemical Name	TRANS-1,4-DIBROMO-2-BUTENE
Synonyms	1,4-Dibromobut-2-ene; Wln: E2U2e; 1,4-dibromobutene; tl80; 1,4-DIBROMO-2-BUTENE; 2-Butene,1,4-dibromo; 1,4-Dibrom-but-2-en; 1,4-dibromo-2-buten; TRANS-1,4-DIBROMOBUT-2-ENE; Cis-1,4-DibromoButene;
CAS No.	6974-12-5
Molecular Formula	C4H6Br2
Molecular Weight	213.89800
PSA	0.00000
LogP	2.33240

Properties

Appearance & Physical State	white crystal
Density	1.867g/cm3
Boiling Point	203ºC at 760 mmHg
Melting Point	48-51ºC
Flash Point	71.9ºC
Refractive Index	1.542
Storage Condition	0-6ºC

Safety Info

Safety Statements	S26; S36/37/39; S45
RIDADR	UN 2923 8/PG 2
Risk Statements	R25
Hazard Codes	T

Synthesis Route

buta-1,3-diene→TRANS-1,4-DIBROMO-2-BUTENE+3,4-dibromobut-1-ene
dibromine+buta-1,3-diene→TRANS-1,4-DIBROMO-2-BUTENE+3,4-dibromobut-1-ene
buta-1,3-diene→TRANS-1,4-DIBROMO-2-BUTENE+trans-1,4-Dibromo-2-butene

Precursor

2-Butene-1,4-diol
Allyl bromide
buta-1,3-diene
1-Butene-3,4-diol

Downstream Product

N,N,N,N-Tetramethyl-1,4-Diamino-2-Butene
3,4-dibromobut-1-ene
diethyl [(E)-4-bromobut-2-en-1-yl]phosphonate
Tetraethyl 2-butene-1,4-diphosphonate

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