Basic information
- CAS
3081-07-0- Standard SMILES
C[Si](C)(O)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O- InChIKey
VERNMKKMBJGSQB-UHFFFAOYSA-N- Molecular formula
- C8H26O5Si4
- Average molar mass
- 314.63 g/mol
- Monoisotopic mass
- 314.08573006
Overview
Octamethyltetrasiloxane-1,7-diol is an organosilanol that is the 1,7-dihydroxy derivative of octamethyltetrasiloxane. It is an organosiloxane and an organosilanol.
Names & identifiers
- Preferred name
- 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-
- IUPAC
- hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane
- English name
- 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-
- Molecular formula
- C8H26O5Si4
- Molecular weight
- 314.63
Names & synonyms
3081-07-01,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-DTXSID6062834RefChem:417851DTXCID9038262Octamethyltetrasiloxane-1,7-diolOctamethyl-1,7-tetrasiloxanediol1,7-dihydroxyoctamethyltetrasiloxane1,1,3,3,5,5,7,7-octamethyltetrasiloxane-1,7-diolC8H26O5Si41,1,3,3,5,5,7,7-Octamethyl-1,7-tetrasiloxanediol; 1,7-DihydroxyoctamethyltetrasiloxaneSimethicone Impurity N3
Show more names
RMA03255 RSSimethicone Impurity 4Simethicone Impurity 13Dimethicone impurity N31,1,3,3,5,5,7,7-octamethyl-7-tetrasiloxanediol1,1,3,3,5,5,7,7-Octamethyl-1,7-tetrasiloxanediol
SCHEMBL677683orb3144605CHEBI:132282DAA08107TYD-03949hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilaneNS001259411,7-dihydroxy-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
Database identifiers
Properties
Computed structural properties
- Topological polar surface area
- 68.2 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 5
- Rotatable bonds
- 6
- Heavy atoms
- 17
- Formal charge
- 0
- Complexity
- 241
Physicochemical properties
- Melting point
- -5 °C · -5 °C
- Boiling point
- 267.2 · 267.2±23.0 °C(Predicted)
- Density
- 0.9881 g/cm3 · 0.9881 g/cm3
- storage temp.
- Refrigerator, under inert atmosphere
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Oil
- pka
- 13.34 · 13.34±0.53(Predicted)
- color
- Colourless
- Henry's Law Constant
- 2.7 · 2.7×10-3 mol/(m3Pa) at 25℃, Mazzoni et al. (1997)
- Stability
- Moisture Sensitive
- EPA Substance Registry System
- 1 · 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl- (3081-07-0)
- TSCA
- TSCA listed
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Hazard information
Regulatory Information1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Safety data
- tsca
- TSCA listed
Chemistry & industry
Uses & manufacturing
General Manufacturing Information1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-: INACTIVE
Applications
UsesOctamethyl-1,7-tetrasiloxanediol can be used in the preparation of Silicone coated Celgard-2400 for the adhesion of canine platelets and leucocytes.
Suppliers15 total
艾吉析科技（上海）有限公司17717235263 · [email protected]
广州佳途科技股份有限公司81960175-877 18933936954 · [email protected]
湖北瑞玛标物科技有限公司15787879035 15787875101 · [email protected]
上海皓鸿生物医药科技有限公司400-8210725 4008210725 · [email protected]
TargetMol 中国（陶术生物）400-821-0310 15002144251 · [email protected]
深圳振强药物研发有限公司0755-66853366 13670046396 · [email protected]
湖北扬信医药科技有限公司15347293736 · [email protected]
山东博洛达生物科技有限公司0531-68651502 · [email protected]
陕西缔都医药化工有限公司+86-029-81138252 +86-173 9270 1263 · [email protected]
杭州杰恒化工有限公司0571-87396432 · [email protected]
Related reactions
1 records
Compound notes
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