Dimethyl oxalate
| Section 1. Identification | |||
|---|---|---|---|
| Chemical Name | Dimethyl oxalate | CAS No. | 553-90-2 |
| Synonyms | methyloxalate; dimethylethanedioate | Chinese Name | 乙二酸二甲酯 |
| Molecular Formula | C4H6O4 | Molecular Weight | 118.09 |
| UN No. | — | Data Source | PubChem (NIH/NLM) |
| GHS Hazard Classification | |
|---|---|
| Signal Word | DANGER |
| Pictograms | GHS05 · Corrosive GHS07 · Irritant GHS08 · Health Hazard |
| Hazard Statements | H302H314H315H318H319H373 |
| Precautionary Statements | P260P264P264+P265P270P280P301+P317P301+P330+P331P302+P352P302+P361+P354P304+P340P305+P351+P338P305+P354+P338P316P317P321P330P332+P317P337+P317P362+P364P363P405P501P319 |
| 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 0.5% (1 of 191) of reports.
H302 (69.6%): Harmful if swallowed [Warning Acute toxicity, oral]
H314 (67%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H315 (32.5%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (64.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H319 (32.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P321, P330, P332+P317, P337+P317, P362+P364, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 191 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Reported as not meeting GHS hazard criteria per 1 of 191 reports by companies.
There are 10 notifications provided by 190 of 191 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.
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P319, P321, P330, P363, P405, and P501 (click each P-code to see the statement)
Section 8. Exposure Controls / Personal Protection
4.7 [mg/m3]
52 [mg/m3]
310 [mg/m3]
Section 9. Physical and Chemical Properties
Colorless solid; [Merck Index] White crystalline aggregates; [MSDSonline]
163.5 °C @760 [mm Hg]
1.148 @25 °C
1.14 [mmHg]
Boiling point
Crystal structure
Diamagnetic susceptibility
Formula unit
Fusion temperature
Heat of sublimation
Magnetic susceptibility
Melting temperature
Optical coefficient
Phase transition
Refractive index
Space group
Thermal expansion coefficient
Transition enthalpy
Unit cell
Unit cell parameter
Vapor pressure
Viscosity
Other Classes -> Esters, Other
Chelating
Section 11. Toxicological Information
Dermatotoxin - Skin burns.
Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.
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.
