Basic information
- CAS
2401-73-2- Standard SMILES
C[Si](C)(Cl)O[Si](C)(C)Cl- InChIKey
DMEXFOUCEOWRGD-UHFFFAOYSA-N- Molecular formula
- C4H12Cl2OSi2
- Average molar mass
- 203.21 g/mol
- Monoisotopic mass
- 201.9803735
Names & identifiers
- Preferred name
- Disiloxane, 1,3-dichloro-1,1,3,3-tetramethyl-
- IUPAC
- chloro-[chloro(dimethyl)silyl]oxy-dimethylsilane
- English name
- 1,3-DICHLOROTETRAMETHYLDISILOXANE
- Molecular formula
- C4H12Cl2OSi2
- Molecular weight
- 203.21
Names & synonyms
2401-73-21,3-Dichlorotetramethyldisiloxane1,3-Dichloro-1,1,3,3-tetramethyldisiloxaneDisiloxane, 1,3-dichloro-1,1,3,3-tetramethyl-EINECS 219-278-1DTXSID6062381RefChem:589194DTXCID9036989219-278-1chloro-[chloro(dimethyl)silyl]oxy-dimethylsilaneMFCD00018088S06225
Show more names
DK230Oxybis(dimethylchlorosilane)Oxybis(chlorodimethylsilane)Bis(chlorodimethylsilyl) oxideTetramethyl-1,3-dichlorodisiloxane1,3-DICHLORO-1,1,3,3-TETRAMETHYLDISI
C4H12Cl2OSi2chloro[(chlorodimethylsilyl)oxy]dimethylsilanebis(chlorodimethylsilyl)etherSCHEMBL297046Sym-dichlorotetramethyldisiloxaneDMEXFOUCEOWRGD-UHFFFAOYSA-1,3-dichlorotetramethyl disiloxane7ZC3N7N237
Database identifiers
- CAS
2401-73-2- PubChem CID
- 75461
- DTXSID
DTXSID6062381- UNII
- 7ZC3N7N237
- EC Number
Properties
Computed structural properties
- Topological polar surface area
- 9.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 2
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 92.7
Experimental & physicochemical properties
SpringerMaterials PropertiesSchoenflies notation
Physicochemical properties
- Melting point
- -37 °C · -37 °C
- Boiling point
- 138 °C · 138 °C (lit.)
- Density
- 1.039 g/mL · 1.039 g/mL at 25 °C (lit.)
- refractive index
- 20 · n20/D 1.407(lit.)
- Flash point
- 15 °C · 15 °C
- storage temp.
- Flammables area
- form
- liquid
- Specific Gravity
- 1.038 · 1.038
- color
- Colorless to Almost colorless
- Water Solubility
- Reacts with water.
- Sensitive
- Moisture Sensitive
- Hydrolytic Sensitivity
- 8 · 8: reacts rapidly with moisture, water, protic solvents
- BRN
- 1741218 · 1741218
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
This chemical does not meet GHS hazard criteria for 8% (4 of 50) of reports.
Danger
H225 (92%): Highly Flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 50 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory InformationChemical: Disiloxane, 1,3-dichloro-1,1,3,3-tetramethyl-
Hazard Classes and CategoriesFlam. Liq. 2 (92%)
Safety data
- F
- 10-21
- PPE
- Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
- wgk
- 3
- tsca
- TSCA listed
- ridadr
- UN 2985 3/PG 2
- hs_code
- 29319090
- risk_code
- 11-34
- Signal word
- Danger
- Symbol(GHS)
- GHS02,GHS05
- hazard_code
- F,C
- safety_code
- 16-26-27-36/37/39-45
- hazard_class
- 3
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationDisiloxane, 1,3-dichloro-1,1,3,3-tetramethyl-: ACTIVE
Applications
Uses1,3-Dichlorotetramethyldisiloxane is used to produce 1,1,3,3-tetramethyl-disiloxane-1,3-diol. It is also used as Chemical Additives. Pharmaceutical intermediates.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers98 total
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
阿诺西（上海）生物技术有限公司400-1107768 15058188853 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
Hebei Chuanghai Biotechnology Co., Ltd+86-17732866630 · [email protected]
Related reactions
3 records
Compound notes
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