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VAQORAOctamethyl-1,7-tetrasiloxanediol
Synonyms: 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl- · Octamethyltetrasiloxane-1,7-diol · 1,7-dihydroxyoctamethyltetrasiloxane · 1,1,3,3,5,5,7,7-octamethyltetrasiloxane-1,7-diol
CAS No.3081-07-0
FormulaC8H26O5Si4
Mol. weight314.63
Catalogue No.VQ-033859
PurityReference Standard
HSN38229090
Octamethyl-1,7-tetrasiloxanediol (CAS 3081-07-0) – Simethicone impurity standard. C8H26O5Si4, MW 314.63. Vaqora Chemicals: COA, global shipping.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Octamethyl-1,7-tetrasiloxanediol
Vaqora Chemicals supplies Octamethyl-1,7-tetrasiloxanediol, an impurity of Simethicone registered under CAS number 3081-07-0. With the molecular formula C8H26O5Si4, it has a molar mass of 314.63 g/mol. Its systematic (IUPAC) name is hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane. Alternative names: Octamethyltetrasiloxane-1,7-diol and 1,7-dihydroxyoctamethyltetrasiloxane.
It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.
As a characterised impurity of Simethicone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.
We offer Octamethyl-1,7-tetrasiloxanediol in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Industries
Related to Simethicone
View every impurity, metabolite and intermediate we list for Simethicone.
Simethicone impuritiesSpecifications & identifiers
| Product name | Octamethyl-1,7-tetrasiloxanediol |
|---|---|
| Catalogue No. | VQ-033859 |
| CAS Number | 3081-07-0 |
| IUPAC name | hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane |
| Molecular formula | C8H26O5Si4 |
| Molecular weight | 314.63 g/mol |
| Exact mass | 314.0857 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | VERNMKKMBJGSQB-UHFFFAOYSA-N |
| SMILES | C[Si](C)(O)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O |
| PubChem CID | 76504 |
| Physical form | Solid |
|---|---|
| H-bond donors / acceptors | 2 / 5 |
| TPSA | 68.2 Ų |
| Synonyms | 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-, Octamethyltetrasiloxane-1,7-diol, 1,7-dihydroxyoctamethyltetrasiloxane, 1,1,3,3,5,5,7,7-octamethyltetrasiloxane-1,7-diol, 1,7-dihydroxy-1,1,3,3,5,5,7,7-octamethyltetrasiloxane |
Documents
Frequently asked questions
What is the CAS number of Octamethyl-1,7-tetrasiloxanediol?
The CAS Registry Number of Octamethyl-1,7-tetrasiloxanediol is 3081-07-0. It is also known as 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-, Octamethyltetrasiloxane-1,7-diol, 1,7-dihydroxyoctamethyltetrasiloxane.
What is the molecular formula and molecular weight of Octamethyl-1,7-tetrasiloxanediol?
Octamethyl-1,7-tetrasiloxanediol has the molecular formula C8H26O5Si4 and a molecular weight of 314.63 g/mol. Its IUPAC name is hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane.
What is Octamethyl-1,7-tetrasiloxanediol used for?
Octamethyl-1,7-tetrasiloxanediol is supplied as a characterised reference material related to Simethicone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Octamethyl-1,7-tetrasiloxanediol can I order?
We supply Octamethyl-1,7-tetrasiloxanediol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Octamethyl-1,7-tetrasiloxanediol?
Yes. Every lot of Octamethyl-1,7-tetrasiloxanediol is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Octamethyl-1,7-tetrasiloxanediol be shipped internationally?
Yes. We export Octamethyl-1,7-tetrasiloxanediol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Octamethyl-1,7-tetrasiloxanediol
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