Chlorodimethyloctylsilane (HCID 87482)

Names & identifiers

Preferred name: Chlorodimethyloctylsilane
IUPAC: chloro-dimethyl-octylsilane
English name: n-Octyldimethylchlorosilane
Molecular formula: C10H23ClSi
Molecular weight: 206.83

Names & synonyms

18162-84-0ChlorodimethyloctylsilaneSilane, chlorodimethyloctyl-OctyldimethylchlorosilaneChloro(dimethyl)octylsilaneDimethyloctylchlorosilaneEINECS 242-044-5DTXSID5066328ChlorodimethylnoctylsilaneRefChem:575830Silane, chlorodimethyloctylDTXCID8035768

Show more names

ODMCSDK154DK620CO9819LS 3490DimethylchlorooctylsilaneChlorooctyldimethylsilane

242-044-5n-OctyldimethylchlorosilaneDimethyl-n-octylchlorosilanechloro-dimethyl-octylsilaneC10H23ClSiMFCD00000511Chlorodimethyl(octyl)silaneDimethyloctylsilyl chloride

Database identifiers

CAS: 18162-84-0
PubChem CID: 87482
DTXSID: DTXSID5066328
EC Number: 242-044-5
Nikkaji: J150.004J

Properties

Computed structural properties

Topological polar surface area: 0 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 7
Heavy atoms: 12
Formal charge: 0
Complexity: 102

Experimental & physicochemical properties

Chemical ClassesToxic Gases & Vapors -> Chlorosilanes

SpringerMaterials PropertiesOptical coefficient

Physical DescriptionClear liquid with an acrid odor; [Alfa Aesar MSDS]

Physicochemical properties

Melting point: 0 °C · <0°C
Boiling point: 222 · 222-225 °C(lit.)
Density: 0.873 g/mL · 0.873 g/mL at 25 °C(lit.)
vapor pressure: 0.14 · 0.14-4220000Pa at 20-25℃
refractive index: 20 · n20/D 1.435(lit.)
Flash point: 208 °F · 208 °F
storage temp.: Store at room temperature, keep dry and cool
form: clear liquid
color: Colorless to Light yellow
Specific Gravity: 0.794 · 0.794
Water Solubility: 15 · 15-673000000μg/L at 20-30℃
Hydrolytic Sensitivity: 8 · 8: reacts rapidly with moisture, water, protic solvents
Sensitive: Moisture Sensitive
BRN: 1738376 · 1738376
InChI: 1S/C10H23ClSi/c1-4-5-6-7-8-9-10-12(2,3)11/h4-10H2,1-3H3
InChIKey: DBKNGKYVNBJWHL-UHFFFAOYSA-N
SMILES: CCCCCCCC[Si](C)(C)Cl
LogP: 4.6 · 4.6-5.92 at 20℃
CAS DataBase Reference: 18162 · 18162-84-0(CAS DataBase Reference)
EPA Substance Registry System: Silane, chlorodimethyloctyl- (18162-84-0)
UNSPSC Code: 12352001 · 12352001
NACRES: 22 · NA.22
Symbol(GHS): 5 · GHS05,GHS07
Signal word: Danger
Hazard statements: 314 · H314-H335
Precautionary statements: 280 · P280-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310
target organs: Respiratory system
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes: C
Risk Statements: 34 · 34
Safety Statements: 26 · 26-27-28-36/37/39-45
RIDADR: 2987 · UN 2987 8/PG 2
WGK Germany: 1 · 1
F: 10 · 10-21
TSCA: TSCA listed
HazardClass: 8 · 8
PackingGroup: II
HS Code: 29319090 · 29319090
Storage Class: 8 A · 8A - Combustible corrosive hazardous materials
Hazard Classifications: 1 Skin · Eye Dam. 1Skin Corr. 1BSTOT SE 3
REACH Registrations: Active

Safety & regulation

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 4.9% (4 of 81) of reports.

Danger

H226 (11.1%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P260, P264, P264+P265, P273, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P363, P370+P378, P391, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 81 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: Silane, chlorodimethyloctyl-

Status: Active Update: 29-09-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/24828

Hazards SummaryReacts with water evolving hydrogen chloride; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Alfa Aesar MSDS] See Chlorotriethylsilane.

Hazard Classes and CategoriesFlam. Liq. 3 (11.1%)

Safety & protection

Exposure Control and Personal Protection · 1 item

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

F: 10-21
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk: 1
tsca: TSCA listed
ridadr: UN 2987 8/PG 2
hs_code: 29319090
risk_code: 34
Signal word: Danger
Symbol(GHS): GHS05,GHS07
hazard_code: C
safety_code: 26-27-28-36/37/39-45
hazard_class: 8
Storage Class: 8A - Combustible corrosive hazardous materials
packing_group: II
target organs: Respiratory system
Hazard statements: H314-H335
REACH Registrations: Active
Hazard Classifications: Eye Dam. 1Skin Corr. 1BSTOT SE 3
Precautionary statements: P280-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310