| Identification | More | [Name]
Ethyldichlorosilane | [CAS]
1789-58-8 | [Synonyms]
DICHLOROETHYLSILANE
ETHYLDICHLOROSILANE
dichloroethyl-silan
Monoethyldichlorosilane
Silane, dichloroethyl- | [EINECS(EC#)]
217-255-0 | [Molecular Formula]
C2H6Cl2Si | [MDL Number]
MFCD00053205 | [Molecular Weight]
129.06 | [MOL File]
1789-58-8.mol |
| Chemical Properties | Back Directory | [Appearance]
Colorless liquid.Readily
hydrolyzed by moisture, with the liberation of
hydrogen and hydrogen chloride. | [Melting point ]
-107°C | [Boiling point ]
74-76°C | [density ]
1.089 g/mL at 20 °C(lit.)
| [refractive index ]
n20/D 1.415
| [Fp ]
-9°C | [storage temp. ]
Refrigerator | [Specific Gravity]
1.093 | [Odor]
Sharp, hydrochloric acid-like; acrid. | [Hydrolytic Sensitivity]
8: reacts rapidly with moisture, water, protic solvents | [Uses]
Intermediate for silicones. | [CAS DataBase Reference]
1789-58-8(CAS DataBase Reference) | [NIST Chemistry Reference]
Ethyldichlorosilane(1789-58-8) | [EPA Substance Registry System]
1789-58-8(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
F,C | [Risk Statements ]
R11:Highly Flammable.
R14/15:Reacts violently with water, liberating extremely flammable gases .
R34:Causes burns.
R37:Irritating to the respiratory system. | [Safety Statements ]
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 1183 4.3/PG 1
| [WGK Germany ]
1
| [RTECS ]
VV3230000 | [F ]
10-21 | [TSCA ]
Yes | [HazardClass ]
4.3 | [PackingGroup ]
I | [Safety Profile]
Poison by ingestion and
inhalation. A severe irritant to skin, eyes,
and mucous membranes. Corrosive.
Dangerous fire hazard if exposed to heat,
open flames, or powerful oxidizers. Will
react with water or steam to produce heat
and toxic and corrosive fumes. To fight fire,
use foam, dry chemical, mist, spray. When
heated to decomposition it emits toxic
fumes of Cland phosgene. See also
CHLOROSILANES. | [Hazardous Substances Data]
1789-58-8(Hazardous Substances Data) |
| Hazard Information | Back Directory | [General Description]
A colorless fuming liquid with a pungent odor. Flash point 30°F. Vapor and liquid may cause burns. Denser than water. Vapors heavier than air. | [Reactivity Profile]
Chlorosilanes, such as ETHYLDICHLOROSILANE(1789-58-8), are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. They may also produce flammable gaseous H2. They can serve as chlorination agents. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases. | [Air & Water Reactions]
Highly flammable. Based on the properties of similar materials, there is the possibility that the reaction of this compound with water may be vigorous or violent. Products of the reaction include hydrogen chloride. The reaction generates heat and this heat may be sufficient to ignite the product. The chlorosilicon hydrides(ClxSiHy) are spontaneously flammable in air [NFPA 1991]. | [Hazard]
Flammable, dangerous fire risk. Strong irritant to eyes and skin. | [Health Hazard]
Inhalation irritates mucous membranes. Contact with liquid causes severe burns of eyes and skin. Ingestion causes severe burns of mouth and stomach. | [Potential Exposure]
This material is used in silicone polymer manufacture. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
30 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposure,
begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if
heart action has stopped. Transfer promptly to a medical
facility. When this chemical has been swallowed, get medical attention. If victim is conscious, administer water or
milk. Do not induce vomiting. Medical observation is
recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed | [Shipping]
UN1183 Ethyldichlorosilane, Hazard Class: 4.3;
Labels: 4.3-Dangerous when wet material; 8-Corrosive
material | [Incompatibilities]
Incompatible with oxidizers (chlorates,
nitrates, peroxides, permanganates, perchlorates, chlorine,
bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases,
strong acids, oxoacids, and epoxides. Chlorosilanes react
vigorously with bases and both organic and inorganic acids
generating toxic and/or flammable gases. Chlorosilanes
react with water, moist air, or steam to produce heat and
toxic, corrosive fumes of hydrogen chloride. They may also
produce flammable gaseous hydrogen. Attacks metals in
the presence of moisture | [Description]
Ethyl dichlorosilane is a colorless liquid witha sharp, irritating odor. Molecular weight = 129.07;Boiling point = 75.5℃; Flash point =-1℃. Explosivelimits: LEL: 2.9%; UEL: unknown. Hazard Identification (based on NFPA-704 M Rating System): Health 3,Flammability 4, Reactivity 2 . Dangerously reactive withwater. | [Chemical Properties]
Colorless liquid.Readily
hydrolyzed by moisture, with the liberation of
hydrogen and hydrogen chloride. | [Chemical Properties]
Ethyl dichlorosilane is a colorless liquid.
Sharp, irritating odor | [Application]
Will form high-boiling polymeric by-products with aqueous
work-up. | [Chemical Reactivity]
Reactivity with Water Reacts vigorously, evolving hydrogen chloride (hydrochloric acid); Reactivity with Common Materials: Reaction with surface moisture will generate hydrogen chloride, which corrodes common metals; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Flood with water, rinse with sodium bicarbonate or lime solution; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent. | [storage]
(1) Color Code—Red: Flammability Hazard: Storein a flammable liquid storage area or approved cabinetaway from ignition sources and corrosive and reactivematerials. (2) Color Code—White: Corrosive or ContactHazard; Store separately in a corrosion-resistant location.Prior to working with this chemical you should be trainedon its proper handling and storage. Before entering confinedspace where this chemical may be present, check to makesure that an explosive concentration does not exist. Ethyldichlorosilane must be stored to avoid contact with moistureand oxidizers (such as perchlorates, peroxides, permanganates, chlorates, and nitrates) since violent reactions occur.Store in tightly closed containers in a cool, well-ventilatedarea away from water, steam, and moisture because toxic andcorrosive chloride gases, including hydrogen chloride can beproduced. Sources of ignition, such as smoking and openflames, are prohibited where ethyl dichlorosilane is handled,used, or stored. Metal containers involving the transfer of 5gallons or more of ethyl dichlorosilane should be groundedand bonded. Drums must be equipped with self-closingvalves, pressure vacuum bungs, and flame arresters. Useonly nonsparking tools and equipment, especially whenopening and closing containers of ethyl dichlorosilane. |
|
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