FOB Price contact us for price
Origin: China
Cas No: 681-84-5
Specification: 99%min
Min order Quantity: 1 /kg
Supply Ability: 80 mt/month
Lead time: 7 days for OEM, 3 days for ready goods
Vendor:
* Send an Inquiry to us
* Name your price
* Start order doesn't mean buying now
Quantity(Kilograms) | 1 - 500 | >500 |
Est. Time(days) | 4 | To be negotiated |
Product Name | Tetramethyl orthosilicate | ||||
CAS No. | 681-84-5 | ||||
Appearance | Colorless transparent liquid. | ||||
Assay | ≥99% | ||||
Capacity | 1000mt/year | ||||
Min.packing | 1gram | ||||
Application | It is most commonly used as a raw material for sol-gel. | ||||
Standard | Export | ||||
Brand | Finerchem | ||||
More information | Molecular Formula: C4H12O4Si Molecular Weight: 152.22 CAS Registry Number: 681-84-5 EINECS: 211-656-4 Density: 1.023 Melting point: -2 ºC Boiling point: 121-122 ºC Flash point: 26 ºC Water solubility: hydrolysis |
Property
Description
Basic Info
Chemical Name | Tetramethyl orthosilicate |
---|---|
Synonyms | Silicic acid (H4SiO4), tetramethyl ester; |
CAS No. | 681-84-5 |
Molecular Formula | C4H12O4Si |
Molecular Weight | 152.22100 |
PSA | 36.92000 |
LogP | 0.00760 |
Properties
Appearance & Physical State | colourless liquid |
---|---|
Density | 1.023 |
Boiling Point | 121-122ºC |
Melting Point | -2ºC |
Flash Point | 26ºC |
Refractive Index | 1.367-1.37 |
Water Solubility | hydrolysis |
Storage Condition | Flammables area |
Vapor Density | 5.25 (vs air) |
Vapor Pressure | 3.35 psi ( 20 °C) |
Safety Info
RTECS | VV9800000 |
---|---|
Hazard Class | 6.1 |
Safety Statements | S16-S26-S28-S36/37/39-S45 |
HS Code | 29209085 |
WGK Germany | 3 |
Packing Group | I |
RIDADR | UN 2606 6.1/PG 1 |
Risk Statements | R10; R26; R37/38; R41 |
Hazard Codes | T+ |
Symbol | GHS02, GHS05, GHS06 |
Hazard Declaration | H226; H315; H318; H330 |
Caution Statement | P210; P260; P280; P304 + P340 + P310; P305 + P351 + P338 + P310; P370 + P378 |
Signal Word | Danger |
Synthesis Route
Toxicity
Exposure Route | Type of Test | Species Observed | Dose/Duration | Toxic Effects |
---|---|---|---|---|
Oral | LDLo - Lowest published lethal dose | Rodent - rat | 700 mg/kg | 1.Kidney, Ureter, Bladder-changes in tubules (including acute renal failure, acute tubular necrosis) |
Inhalation | LCLo - Lowest published lethal concentration | Rodent - rat | 250 ppm/4H | 1.Details of toxic effects not reported other than lethal dose value |
Intraperitoneal | LD50 - Lethal dose, 50 percent kill | Rodent - rat | 100 mg/kg | 1.Details of toxic effects not reported other than lethal dose value |
Precursor
Downstream Product