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5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide

Also known as: 1,1-Cyclopropanedimethanol cyclic sulfite, 1,1-Cyclopropyldimethanol cyclic sulphite, 5.7-Dioxa-6-thia-spiro[2.5]octane-6-oxide, 5,7-Dioxa-6-thia-spiro[2,5]octane 6-oxide

5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide (CAS 89729-09-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O3S and a molecular weight of 148.18000 g/mol. Key property: a boiling point of 242.8℃ at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
89729-09-9
Jingsj CID
J-1523143-3
Molecular Formula
C5H8O3S
Molecular Weight
148.18000 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point242.8℃ at 760 mmHg
Exact Mass148.01900
PSA54.74000
LogP1.25780

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide?

The CAS number of 5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide is 89729-09-9.

What are the molecular formula and molecular weight of 5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide?

5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide has molecular formula C5H8O3S and molecular weight 148.18000 g/mol.

What are the upstream and downstream products of 5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide?

For 5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide, Upstream Products: 1,1-Bis(hydroxymethyl)cyclopropane, Diethyl 1,1-cyclopropanedicarboxylate; Downstream Products: [1-(Hydroxymethyl)cyclopropyl]acetonitrile.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5,7-Dioxa-6-thiaspiro[2.5]octane 6-oxide (CAS 89729-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523143-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.