1,5-Dichloro-1,1,3,3,5,5-hexamethyltrisiloxane
Basic information
- CAS
3582-71-6- Standard SMILES
C[Si](C)(Cl)O[Si](C)(C)O[Si](C)(C)Cl- InChIKey
GJIYNWRLGOMDEX-UHFFFAOYSA-N- Molecular formula
- C6H18Cl2O2Si3
- Average molar mass
- 277.36 g/mol
- Monoisotopic mass
- 275.9991648
Names & identifiers
- Preferred name
- 1,5-Dichloro-1,1,3,3,5,5-hexamethyltrisiloxane
- IUPAC
- bis[[chloro(dimethyl)silyl]oxy]-dimethylsilane
- English name
- 1,5-Dichlorohexamethyltrisiloxane
- Molecular formula
- C6H18Cl2O2Si3
- Molecular weight
- 277.37
Names & synonyms
1,5-Dichlorohexamethyltrisiloxane1,5-Dichloro-1,1,3,3,5,5-hexamethyltrisiloxaneTrisiloxane, 1,5-dichloro-1,1,3,3,5,5-hexamethyl-KLE4X83TYMDTXSID3063091HEXAMETHYL-1,5-DICHLOROTRISILOXANETRISILOXANE,1,5-DICHLORO,HEXAMETHYL1,5-Dichloro-1,1,3,3,5,5-hexamethyl trisiloxaneRefChem:73463DTXCID20390951,5Dichloro1,1,3,3,5,5hexamethyltrisiloxaneTrisiloxane, 1,5dichloro1,1,3,3,5,5hexamethyl
Show more names
DK277DKFELEX03111 5-DICHLOROHEXAMETHYLTRISILOXANE 97%1,5-DICHLOROHEXAMETHYLTRISILOXANE 95+%1,5-DICHLOROHEXAMETHYLTRISILOXANE, tech-951,5-dichloro-1,1,3,3,5,5-hexamethyl-trisiloxan1,5-Dichloro-1,1,3,3,5,5-hexamethyl disiloxane
GJIYNWRLGOMDEX-UHFFFAOYSA-NInChI=1/C6H18Cl2O2Si3/c1-11(2,7)9-13(5,6)10-12(3,4)8/h1-6HUN29873582-71-6bis[[chloro(dimethyl)silyl]oxy]-dimethylsilaneMFCD000451471,5-Dichlorohexamethyltrisiloxane (~90%)S05950
Database identifiers
- CAS
3582-71-6- PubChem CID
- 77131
- DTXSID
DTXSID3063091- UNII
- KLE4X83TYM
- EC Number
- 222-707-5
- Nikkaji
- J98.170B
Properties
Computed structural properties
- Topological polar surface area
- 18.5 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 4
- Heavy atoms
- 13
- Formal charge
- 0
- Complexity
- 167
Experimental & physicochemical properties
Chemical ClassesToxic Gases & Vapors -> Chlorosilanes
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Physical DescriptionClear light yellow liquid; [Sigma-Aldrich MSDS]
Physicochemical properties
- Melting point
- -53 °C · -53 °C
- Boiling point
- 184 °C · 184 °C(lit.)
- Density
- 1.018 g/mL · 1.018 g/mL at 25 °C(lit.)
- refractive index
- 20 · n20/D 1.405(lit.)
- Flash point
- 170 °F · 170 °F
- storage temp.
- 2 · Storage temp. 2-8°C
- solubility
- Chloroform, Ethyl Acetate (Slightly)
- form
- liquid
- Specific Gravity
- 1.018 · 1.018
- color
- Colorless to Almost colorless
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Danger
H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory InformationChemical: Trisiloxane, 1,5-dichloro-1,1,3,3,5,5-hexamethyl-
Hazards SummaryCauses burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Sigma-Aldrich MSDS] Reacts with water; [Alfa Aesar MSDS]
Hazard Classes and CategoriesSkin Corr. 1B (100%)
Safety & protection
Exposure Control and Personal Protection
TIH (Toxic Inhalation Hazard) - Term used to describe gases and volatile liquids that are toxic when inhaled. Some are TIH materials themselves, e.g., chlorine, and some release TIH gases when spilled in water, e.g., chlorosilanes. [ERG 2016].
Toxicology
Adverse EffectsDermatotoxin - Skin burns.
Safety data
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationTrisiloxane, 1,5-dichloro-1,1,3,3,5,5-hexamethyl-: ACTIVE
Applications
Uses1,5-Dichlorohexamethyltrisiloxane is a useful chemical in organic synthesis.
Upstream & downstream products
Downstream products
Related reactions
1 records
Compound notes
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