Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Methyltriacetoxysilane
Price: ￥108.0/100g ￥348.0/500g
Purity: 90.0%
Stocking Period: 3 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methyltriacetoxysilane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Methyltriacetoxysilane
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

4253-34-3

4253-34-3 structure

Name: Methyltriacetoxysilane
Chemical Name: Methyltriacetoxysilane
CAS Number: 4253-34-3
Molecular Formula: C₇H₁₂O₆Si
Molecular Weight: 220.252
Catalog: Chemical reagent Organic reagent Silane
Create Date: 2018-04-18 08:00:00
Modify Date: 2024-01-02 17:33:02

Name	Methyltriacetoxysilane
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

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

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)

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

75-79-6

~90%

4253-34-3

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

993-00-0

127-09-3

4253-34-3

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

75-77-4

108-24-7

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

75-79-6

108-24-7

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.

75-79-6

127-09-3

4253-34-3

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

75-79-6

64-19-7

4253-34-3

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

Precursor 6
75-79-6 993-00-0 127-09-3 64-19-7
75-77-4 108-24-7
DownStream 2
5581-66-8 18442-72-3

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%

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