1,4-Benzodioxan

Modify Date: 2025-08-23 12:54:32

1,4-Benzodioxan structure	Common Name	1,4-Benzodioxan
	CAS Number	493-09-4	Molecular Weight	136.148
	Density	1.1±0.1 g/cm3	Boiling Point	248.1±0.0 °C at 760 mmHg
	Molecular Formula	C₈H₈O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	87.8±0.0 °C

Name	1,4-Benzodioxan
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	248.1±0.0 °C at 760 mmHg
Molecular Formula	C₈H₈O₂
Molecular Weight	136.148
Flash Point	87.8±0.0 °C
Exact Mass	136.052429
PSA	18.46000
LogP	1.88
Vapour Pressure	0.0±0.4 mmHg at 25°C
Index of Refraction	1.538
Water Solubility	insoluble

1,4-Benzodioxan MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DF4728000

CHEMICAL NAME :: 1,4-Benzodioxin, 2,3-dihydro-

CAS REGISTRY NUMBER :: 493-09-4

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H8-O2

MOLECULAR WEIGHT :: 136.16

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 21,341,1987

Hazard Codes	Xi: Irritant;
Safety Phrases	S23-S24/25
WGK Germany	3
RTECS	DF4728000
HS Code	29329995

Precursor 10
CAS#:34743-89-0 Ethanol, 2-(2-b... CAS#:120-80-9 1,2-Benzenediol CAS#:106-93-4 1,2-Dibromoethane CAS#:67470-89-7 2,3-DIBROMO-BEN...
CAS#:3663-82-9 2,3-Dihydro-1,4... CAS#:107-21-1 Ethylene glycol CAS#:583-53-9 1,2-Dibromobenzene CAS#:95-50-1 1,2-Dichlorobenzene
CAS#:2924-65-4 2-(O-fluorophen... CAS#:367-12-4 2-Fluorophenol
DownStream 9
CAS#:110851-12-2 benzene-1,2-dio... CAS#:54557-81-2 4-[3,4-(ethylen... CAS#:57672-33-0 7-Nitro-2,3-dih... CAS#:57744-67-9 3,4-ethylenedio...
CAS#:57744-68-0 6-chloro-2,3-di... CAS#:67471-04-9 6,7-dichloro-2,... CAS#:4792-78-3 2-(2-Hydroxyeth... CAS#:120-80-9 1,2-Benzenediol
CAS#:4442-54-0 2,3-Dihydro-1,4...

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Pyrocatechol ethylene ether

1,4-benzdioxane

EINECS 207-775-6

2,3-dihydrobenzo[b][1,4]dioxane

1,4-Benzodioxin, 2,3-dihydro-

2,3-Dihydro-1,4-benzodioxine

2,3-dihydro-1,4-benzodioxane

1,4-BENZODIOXANE

1,4-Benzdioxan

2,3-dihydrobenzo[b][1,4]dioxine

1,2-Ethylenedioxybenzene

2,3-dihydro-[1,4]dioxino[2,3-b]pyridine

2-benzyl-1,4-dioxane

1,4-Benzodioxan

1,2-ETHYLENDIOXYBENZENE

1,4-Benzodioxan (8CI)

BENZO-1,4-DIOXANE

MFCD00006821

2,3-Dihydro-1,4-benzodioxin

2,3-dihydro-benzo[1,4]dioxine

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,4-Benzodioxan
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,4-Benzodioxan
Price: ￥108.0/5g ￥348.0/25g
Purity: 98.0%
Delivery: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,4-Benzodioxane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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1,4-Benzodioxan

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.