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ChemicalBook >> CAS DataBase List >> 2,2-Dimethyl-1,3-dioxacyclohept-5-ene

2,2-Dimethyl-1,3-dioxacyclohept-5-ene

$6 - $1375
Product name: 2,2-Dimethyl-1,3-dioxacyclohept-5-ene
CAS: 1003-83-4
MF: C7H12O2
MW: 128.17
EINECS:
MDL Number:MFCD22054122
Synonyms:4,7-Dihydro-2,2-diMethyl-1,3-dioxepin;2,2-DiMethyl-4,7-dihydro-1,3-dioxepine;2,2-Dimethyl-1,3-dioxacyclohept-5-ene;2,2-Dimethyl-4,7-dihydro-2H-[1,3]dioxepin;NSC 693424;2,2-dimethyl-4,7-dihydro-2H-1,3-dioxepine;1,3-Dioxepin, 4,7-dihydro-2,2-dimethyl-;Gadobutrol Impurity 29

Price27 Properties Safety Information Description

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Brand

aablocks
AK Scientific
Ambeed
Apolloscientific
Biosynth
Medical Isotopes, Inc.
SynQuest Laboratories
Synthonix
TCI Chemical
TRC
Usbiological

Package

1g
2.5g
5g
10g
25g
50g
100g

Manufactureraablocks
Product numberAA0001F9
Product description2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC
Packaging1g
Price$8
Updated2026-05-25
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Manufactureraablocks
Product numberAA0001F9
Product description2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC
Packaging5g
Price$15
Updated2026-05-25
Buy

Manufactureraablocks
Product numberAA0001F9
Product description2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC
Packaging25g
Price$64
Updated2026-05-25
Buy

Manufactureraablocks
Product numberAA0001F9
Product description2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC
Packaging100g
Price$237
Updated2026-05-25
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ManufacturerAK Scientific
Product number7790BA
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine
Packaging5g
Price$387
Updated2021-12-16
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ManufacturerAmbeed
Product numberA688510
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)
Packaging100g
Price$285
Updated2021-12-16
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ManufacturerAmbeed
Product numberA688510
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)
Packaging25g
Price$75
Updated2021-12-16
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ManufacturerAmbeed
Product numberA688510
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)
Packaging1g
Price$6
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA688510
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)
Packaging5g
Price$17
Updated2021-12-16
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ManufacturerApolloscientific
Product numberOR302752
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%
Packaging1g
Price$21
Updated2026-06-04
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ManufacturerApolloscientific
Product numberOR302752
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%
Packaging5g
Price$24
Updated2026-06-04
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ManufacturerApolloscientific
Product numberOR302752
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine
Packaging1g
Price$254
Updated2021-12-16
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ManufacturerApolloscientific
Product numberOR302752
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%
Packaging25g
Price$101
Updated2026-06-04
Buy

ManufacturerBiosynth
Product numberBAA00383
Product description4,7-Dihydro-2,2-dimethyl-1,3-dioxepin
Packaging50g
Price$625
Updated2026-06-04
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ManufacturerMedical Isotopes, Inc.
Product number64441
Product description4,7-Dihydro-2,2-dimethyl-1,3-dioxepin
Packaging10g
Price$1375
Updated2021-12-16
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ManufacturerSynQuest Laboratories
Product number2H10-1-59
Product description2,2-Dimethyl-4,7-dihydro-1,3-dioxepine
Packaging1g
Price$301
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA0001F9	2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC	1g	$8	2026-05-25	Buy
aablocks	AA0001F9	2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC	5g	$15	2026-05-25	Buy
aablocks	AA0001F9	2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC	25g	$64	2026-05-25	Buy
aablocks	AA0001F9	2,2-Dimethyl-4,7-Dihydro-1,3-Dioxepine 98%GC	100g	$237	2026-05-25	Buy
AK Scientific	7790BA	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine	5g	$387	2021-12-16	Buy
Ambeed	A688510	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)	100g	$285	2021-12-16	Buy
Ambeed	A688510	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)	25g	$75	2021-12-16	Buy
Ambeed	A688510	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)	1g	$6	2021-12-16	Buy
Ambeed	A688510	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%+(GC)	5g	$17	2021-12-16	Buy
Apolloscientific	OR302752	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%	1g	$21	2026-06-04	Buy
Apolloscientific	OR302752	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%	5g	$24	2026-06-04	Buy
Apolloscientific	OR302752	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine	1g	$254	2021-12-16	Buy
Apolloscientific	OR302752	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine 98%	25g	$101	2026-06-04	Buy
Biosynth	BAA00383	4,7-Dihydro-2,2-dimethyl-1,3-dioxepin	50g	$625	2026-06-04	Buy
Medical Isotopes, Inc.	64441	4,7-Dihydro-2,2-dimethyl-1,3-dioxepin	10g	$1375	2021-12-16	Buy
SynQuest Laboratories	2H10-1-59	2,2-Dimethyl-4,7-dihydro-1,3-dioxepine	1g	$301	2021-12-16	Buy

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Properties

Boiling point :147°C(lit.)
refractive index :1.4450 to 1.4490
storage temp. :Storage temp. 2-8°C
form :Colourless Liquid
color :Colorless to Almost colorless

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H302	Harmful if swallowed	Acute toxicity,oral	Category 4	Warning	P264, P270, P301+P312, P330, P501
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

4,7-Dihydro-2,2-dimethyl-1,3-dioxepin is an intermediate in the synthesis of Calcobutrol (C145700), a new macrocyclic polyhydroxylated gadolinium chelate derivative which can be used as a contrast agent for Magnetic Resonance Imaging (MRI).

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Suppliers and manufacturers

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2,2-Dimethyl-1,3-dioxacyclohept-5-ene

Properties

Safety Information

Description

Related product price

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