CAS 4253-34-3|Methyltriacetoxysilane

Introduction：Basic information about CAS 4253-34-3|Methyltriacetoxysilane, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles3
7. Synonyms

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	ChineseUSA	Flash Point	85.0±0.0 °C
Symbol	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
InChIKey	TVJPBVNWVPUZBM-UHFFFAOYSA-N
SMILES	CC(=O)O[Si](C)(OC(C)=O)OC(C)=O

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
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

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

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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