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CAS RN: 924-44-7 | Product Number: G0264

Ethyl Glyoxylate Polymer form (47% in Toluene)


Purity:
Synonyms:
  • Ethyl Oxoacetate Polymer form (47% in Toluene)
  • Glyoxalic Acid Ethyl Ester Polymer form (47% in Toluene)
  • Glyoxylic Acid Ethyl Ester Polymer form (47% in Toluene)
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25G
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500G
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Product Number G0264
Molecular Formula / Molecular Weight (CH__3CH__2OCOCHO)__n
Physical State (20 deg.C) Liquid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 924-44-7
Reaxys Registry Number 1209486
PubChem Substance ID 87570438
MDL Number

MFCD00044009

Specifications
Appearance Colorless to Almost colorlessclear liquid
Concentration(Oxime Formation) 47.0 to 51.7 w/w%
Properties (reference)
Boiling Point 110 °C
Flash point 7 °C
Specific Gravity (20/20) 1.03
Refractive Index 1.48
GHS
Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H332 : Harmful if inhaled.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H370 : Causes damage to organs.
H372 : Causes damage to organs through prolonged or repeated exposure.
H341 : Suspected of causing genetic defects.
H335 : May cause respiratory irritation.
H361d : Suspected of damaging the unborn child.
H336 : May cause drowsiness or dizziness.
H304 : May be fatal if swallowed and enters airways.
H225 : Highly flammable liquid and vapour.
Precautionary Statements P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P331 : Do NOT induce vomiting.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P301 + P310 : IF SWALLOWED: Immediately call a POISON CENTER/doctor.
Related Laws:
EC Number 213-105-3
Transport Information:
UN Number UN1294
Class 3
Packing Group II
HS Number 2918300090
Application
Preparation of Monomeric Ethyl Glyoxylate

Polymeric ethyl glyoxylate toluene solution (30 g) was added to the flame dried flask. Toluene was evaporated completely under vacuum (less than 1 mmHg) at room temperature, and phosphorus pentoxide (ca. 300 mg) was added to the polymeric ethyl glyoxylate. The mixture was distilled to give almost-toluene-free monomeric ethyl glyoxylate as a slightly yellow liquid (150 mmHg, 80 °C). Monomeric ethyl glyoxylate easily polymerizes within 30 min to give viscous liquid. Therefore, distilled ethyl glyoxylate should be used immediately after purification.

References


PubMed Literature


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