trimethyl orthoformate
| Section 1. Identification | |||
|---|---|---|---|
| Chemical Name | trimethyl orthoformate | CAS No. | 149-73-5 |
| Synonyms | methyl orthofor-mate | Chinese Name | 三甲氧基甲烷 |
| Molecular Formula | C4H10O3 | Molecular Weight | 106.1204 |
| UN No. | 2438 | Data Source | PubChem (NIH/NLM) |
| GHS Hazard Classification | |
|---|---|
| Signal Word | DANGER |
| Pictograms | GHS02 · Flammable GHS07 · Irritant |
| Hazard Statements | H225H319H335H332 |
| Precautionary Statements | P210P233P240P241P242P243P261P264+P265P271P280P303+P361+P353P304+P340P305+P351+P338P319P337+P317P370+P378P403+P233P403+P235P405P501P317 |
| Contents | |||
|---|---|---|---|
| Section 2 | Hazards Identification | Section 8 | Exposure Controls / Personal Protection |
| Section 9 | Physical and Chemical Properties | Section 11 | Toxicological Information |
Section 2. Hazards Identification
This chemical does not meet GHS hazard criteria for 0.7% (2 of 294) of reports.
H225 (99.3%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H319 (99.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (33.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P210, P233, P240, P241, P242, P243, P261, P264+P265, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P319, P337+P317, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 294 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Reported as not meeting GHS hazard criteria per 2 of 294 reports by companies.
There are 12 notifications provided by 292 of 294 reports by companies with hazard statement code(s).
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
P210, P233, P240, P241, P242, P243, P261, P264+P265, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P317, P337+P317, P370+P378, P403+P235, and P501 (click each P-code to see the statement)
Section 8. Exposure Controls / Personal Protection
12 [mg/m3]
130 [mg/m3]
790 [mg/m3]
Section 9. Physical and Chemical Properties
Colorless liquid with a pungent odor; [HSDB]
COLORLESS LIQUID
PUNGENT ODOR
100.6 °C @ 760 MM HG
100.6 °C @760 [mm Hg]
SOL IN ETHANOL, IN ETHER
0.9676 @ 20 °C/4 °C
0.9676 @ 20°C
3.67 (AIR= 1)
81.4 [mmHg]
INDEX OF REFRACTION: 1.3773 @ 25 °C/D
Schoenflies notation
Boiling point
Chemical bond
Chemical shift
Heat of sublimation
Internuclear distance
Lineshape
Molecular structure
Optical coefficient
Point group
Refractive index
Vapor pressure
Other Classes -> Ethers, Other
Section 11. Toxicological Information
Neurotoxin - Other CNS neurotoxin
LC50 (rat) = 40,000 mg/m3
AN IRRITANT TO SKIN, EYES, & MUCOUS MEMBRANES.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.
