Ethoxy(dimethyl)silane

Modify Date: 2024-01-02 11:56:32

Ethoxy(dimethyl)silane Structure
Ethoxy(dimethyl)silane structure
Common Name Ethoxy(dimethyl)silane
CAS Number 14857-34-2 Molecular Weight 104.223
Density 0.757 Boiling Point 90.3±8.0 °C at 760 mmHg
Molecular Formula C4H12OSi Melting Point N/A
MSDS N/A Flash Point 8.4±18.4 °C

 Names

Name Dimethylethoxysilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.757
Boiling Point 90.3±8.0 °C at 760 mmHg
Molecular Formula C4H12OSi
Molecular Weight 104.223
Flash Point 8.4±18.4 °C
Exact Mass 104.065742
PSA 9.23000
LogP 2.73
Vapour Pressure 63.9±0.2 mmHg at 25°C
Index of Refraction 1.3680
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VV4090000
CHEMICAL NAME :
Silane, ethoxydimethyl-
CAS REGISTRY NUMBER :
14857-34-2
BEILSTEIN REFERENCE NO. :
1731481
LAST UPDATED :
199712
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C4-H12-O-Si
MOLECULAR WEIGHT :
104.25

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - ataxia Gastrointestinal - ulceration or bleeding from stomach
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4000 ppm/4H
TOXIC EFFECTS :
Behavioral - general anesthetic Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 12,355,1992 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3000 ppm/6H/2W-I
TOXIC EFFECTS :
Endocrine - changes in thymus weight Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2000 ppm/6H/13W-I
TOXIC EFFECTS :
Liver - other changes Endocrine - changes in thymus weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
2000 ppm/6H
SEX/DURATION :
male 13 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994 *** REVIEWS *** ACGIH TLV-STEL 6.4 mg/m3 (1.5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 2.1 mg/m3 (0.5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997

 Safety Information

Hazard Codes F
Risk Phrases R11;R36/37/38
Safety Phrases S16-S33-S36/37/39-S9
RIDADR 1993
RTECS VV4090000
Packaging Group II
Hazard Class 3
HS Code 2931900090

 Synthetic Route

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

Ethoxydimethylsilane
ethoxy(dimethyl)silicon
EINECS 238-921-7
Ethoxy(dimethyl)silane
2O-SI-H1&1
MFCD00026750
Silane, ethoxydimethyl-
Dimethyl Ethoxysilane