Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (Trimethylsilyl)methanol
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

3219-63-4

3219-63-4 structure

3219-63-4 structure

Name: (Trimethylsilyl)methanol
Chemical Name: trimethylsilylmethanol
CAS Number: 3219-63-4
Molecular Formula: C₄H₁₂OSi
Molecular Weight: 104.223
Catalog: Chemical reagent Organic reagent Silane
Create Date: 2018-07-20 08:18:57
Modify Date: 2025-08-20 13:31:31

Name	trimethylsilylmethanol
Synonyms	(Trimethylsilyl)methanol 1-TRIMETHYLSILYLMETHANOL Trimethylhydroxymethylsilane TriMethylsilylMethanol Methanol, 1-(trimethylsilyl)- methoxytrimethylsilane EINECS 221-746-5 trimethylsilanyl-methanol Hydroxymethyltrimethylsilane (Hydroxymethyl)trimethylsilane MFCD00004596

Density	0.8±0.1 g/cm3
Boiling Point	119.8±13.0 °C at 760 mmHg
Melting Point	<0ºC
Molecular Formula	C₄H₁₂OSi
Molecular Weight	104.223
Flash Point	31.1±0.0 °C
Exact Mass	104.065742
PSA	20.23000
LogP	0.83
Vapour Pressure	7.6±0.4 mmHg at 25°C
Index of Refraction	1.398
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PC4100000

CHEMICAL NAME :: Methanol, (trimethylsilyl)-

CAS REGISTRY NUMBER :: 3219-63-4

BEILSTEIN REFERENCE NO. :: 1731486

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C4-H12-O-Si

MOLECULAR WEIGHT :: 104.25

WISWESSER LINE NOTATION :: Q1-SI-1&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1080 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DANKAS Doklady Akademii Nauk SSSR. Proceedings of the Academy of Sciences of the USSR. For English translation, see DBIOAM and DKBSAS. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1933- Volume(issue)/page/year: 229,1011,1976

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R10
Safety Phrases	S26-S36
RIDADR	UN 1987 3/PG 3
WGK Germany	3
RTECS	PC4100000
Packaging Group	III
Hazard Class	3
HS Code	2931900090

Precursor 9
2917-65-9 2916-76-9 84117-62-4 18077-26-4
74141-07-4 115364-34-6 2344-80-1 64035-64-9
75-76-3
DownStream 8
18297-68-2 2917-65-9 64035-64-9 3124-45-6
56964-58-0 61357-03-7 61357-04-8 61357-05-9

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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