Methyltriacetoxysilane

Modify Date: 2024-01-02 17:33:02

Methyltriacetoxysilane Structure
Methyltriacetoxysilane structure
 Common Name Methyltriacetoxysilane
CAS Number 4253-34-3 Molecular Weight 220.252
Density 1.2±0.1 g/cm3 Boiling Point 221.3±0.0 °C at 760 mmHg
Molecular Formula C7H12O6Si Melting Point 40-45 °C(lit.)
MSDS Chinese USA Flash Point 85.0±0.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name Methyltriacetoxysilane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 221.3±0.0 °C at 760 mmHg
Melting Point 40-45 °C(lit.)
Molecular Formula C7H12O6Si
Molecular Weight 220.252
Flash Point 85.0±0.0 °C
Exact Mass 220.040314
PSA 78.90000
LogP 1.37
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.424

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VV4500000
CHEMICAL NAME :
Silane, methyltriacetoxy-
CAS REGISTRY NUMBER :
4253-34-3
BEILSTEIN REFERENCE NO. :
1788668
LAST UPDATED :
199712
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C7-H12-O6-Si
MOLECULAR WEIGHT :
220.28
WISWESSER LINE NOTATION :
1VO-SI-1&OV1&OV1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2060 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1229,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1920 No. of Facilities: 1320 (estimated) No. of Industries: 34 No. of Occupations: 23 No. of Employees: 11261 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1920 No. of Facilities: 17139 (estimated) No. of Industries: 138 No. of Occupations: 82 No. of Employees: 231529 (estimated) No. of Female Employees: 30464 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR UN1759
WGK Germany 2
RTECS VV4500000
Packaging Group III
Hazard Class 8
HS Code 2931900090

 Synthetic Route

Methyltrichlorosilane structure

Methyltrichloro...

CAS#:75-79-6

~90%

Methyltriacetoxysilane Structure

Methyltriacetox...

CAS#:4253-34-3

Literature: Gmelin Handbook: Si: MVol.C, 69, page 190 - 194
Chloromethyl silane structure

Chloromethyl silane

CAS#:993-00-0

Sodium acetate structure

Sodium acetate

CAS#:127-09-3

~%

Methyltriacetoxysilane Structure

Methyltriacetox...

CAS#:4253-34-3

Literature: Schuyten; Weaver; Reid Journal of the American Chemical Society, 1947 , vol. 69, p. 2111
Chlorotrimethylsilane structure

Chlorotrimethyl...

CAS#:75-77-4

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~%

Methyltriacetoxysilane Structure

Methyltriacetox...

CAS#:4253-34-3

Literature: Wagner, Gabriele; Herrmann, Rudolf; Pedersen, Bjorn; Scherer, Wolfgang Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 2001 , vol. 56, # 1 p. 25 - 38
Methyltrichlorosilane structure

Methyltrichloro...

CAS#:75-79-6

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~%

Methyltriacetoxysilane Structure

Methyltriacetox...

CAS#:4253-34-3

Literature: Dolgow et al. Zhurnal Obshchei Khimii, 1957 , vol. 27, p. 1593,1594, 1597; engl. Ausg. S. 1666, 1667, 1668 Full Text Show Details Andrianow et al. Doklady Akademii Nauk SSSR, 1954 , vol. 94, p. 697 Chem.Abstr., 1955 , p. 6087 Full Text Show Details Soc.Usines Chim.Rhone-Poulenc Patent: DE882401 , 1951 ; DRP/DRBP Org.Chem.
Methyltrichlorosilane structure

Methyltrichloro...

CAS#:75-79-6

Sodium acetate structure

Sodium acetate

CAS#:127-09-3

~%

Methyltriacetoxysilane Structure

Methyltriacetox...

CAS#:4253-34-3

Literature: Soc.Usines Chim.Rhone-Poulenc Patent: DE896943 , 1951 ; DRP/DRBP Org.Chem.
Methyltrichlorosilane structure

Methyltrichloro...

CAS#:75-79-6

acetic acid structure

acetic acid

CAS#:64-19-7

~%

Methyltriacetoxysilane Structure

Methyltriacetox...

CAS#:4253-34-3

Literature: Haggerty,W.J.; Breed,L.W. Journal of Organic Chemistry, 1961 , vol. 26, p. 2464 - 2467

 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%

 Articles3

More Articles
Use of medical-grade methyl triacetoxy silane crosslinked silicone for facial prostheses.

J. Prosthet. Dent. 48(1) , 86-8, (1982)

The urethanes, PVC, acrylic resins, and silicones are still the most popular among a large number of materials being used to fabricate facial prostheses. Each material has advantages and disadvantages...

Solvation of lithium salts within single-phase dimethyl siloxane bisphenol-A carbonate block copolymer. Spiegel EF, et al.

Polymer 41(9) , 3365-69, (2000)

Silicone Vapor Poisoning of Catalytic Methane Sensors Chilton, J. E., et al.

Proceedings of the fourth WVU Conference on Coal Mine Electrotechnology , (1978)

 Synonyms

Silanetriol, 1-methyl-, triacetate
Triacetoxymethylsilane
methyl-triacetoxysilane
Methylsilanetriyl triacetate
methyl-silanetriol
Methyl-Triacethoxysilane
methyltriacetoxy-silan
Methyltriacetoxysilane
silanetriol
triacetoxy-methyl-silane
triacetoxy(methyl)silane
k10s
EINECS 224-221-9
MFCD00008694
Triacetoxy-methyl-silan
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