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Basic Information
| CAS No.: | 110-99-6 |
|---|---|
| Name: | Diglycolic acid |
| Article Data: | 44 |
| Molecular Structure: | |
|
|
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| Formula: | C4H6 O5 |
| Molecular Weight: | 134.089 |
| Synonyms: | Aceticacid, oxydi- (8CI); Diglycolic acid (6CI); 2,2'-Oxydiacetic acid;3-Oxapentane-1,5-dioic acid; 3-Oxapentanedioic acid; Bis(carboxymethyl) ether;NSC 8651; Oxodiacetic acid; Oxybisacetic acid; Oxydiacetic acid; Oxydiethanolicacid |
| EINECS: | 203-823-5 |
| Density: | 1.486 |
| Melting Point: | 140-144 |
| Boiling Point: | 445.2°Cat760mmHg |
| Flash Point: | 201.7°C |
| Solubility: | soluble |
| Appearance: | white to light beige crystalline powder |
| Hazard Symbols: |
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| Risk Codes: | R22;R34 |
| Safety: | Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors. |
| PSA: | 83.83000 |
| LogP: | -0.82780 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With nitric acid at 45 - 80℃; for 2.16667h; | 92% |
| With nitric acid | 90% |
| With C24H33IrN4O3; water; sodium hydroxide for 18h; Reflux; | 90% |
Conditions
| Conditions | Yield |
|---|---|
| With dinitrogen tetraoxide In chloroform | 75% |
- 112-60-7
Tetraethylene glycol
A
- 110-99-6
2,2'-oxybis-acetic acid
B
- 23243-68-7
3,6-dioxasuberic acid
C
- 13887-98-4
tetraglycolic acid
Conditions
| Conditions | Yield |
|---|---|
| at 5℃; for 8h; electrolysis: nickel net anode, cylindrical stainless steel cathode; electrolyte: 1M NaOH/H2O; Title compound not separated from byproducts; | A 3% B 16% C 50% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrabutylammomium bromide; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 0.75h; Time; Inert atmosphere; | A n/a B 29% |
Conditions
| Conditions | Yield |
|---|---|
| at 200 - 240℃; |
Conditions
| Conditions | Yield |
|---|---|
| With water quantitativer Verlauf der Bildung mit verschiedenen Basen; |
Conditions
| Conditions | Yield |
|---|---|
| With calcium hydroxide; water | |
| With barium dihydroxide; water | |
| With strontium hydroxide; water | |
| With barium dihydroxide Darstellung; ueber mehrere Stufen; |
Conditions
| Conditions | Yield |
|---|---|
| With water; lead(II) oxide | |
| With water; magnesium oxide |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium hypochlorite |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium hypochlorite |
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Diglycolic acid
Chemistry
MF: C4H6O5 
MW: 134.09
mp: 140-144 °C(lit.)
Physical State: Crystalline powder
Color of OXODIACETIC ACID: clear slight yellow
Solubility : soluble in water and soluble in alcohol
MW: 134.09
mp: 140-144 °C(lit.)
Physical State: Crystalline powder
Color of OXODIACETIC ACID: clear slight yellow
Solubility : soluble in water and soluble in alcohol
Toxicity Data With Reference
| 1. | orl-rat LD50:500 mg/kg | ACIEAY Angewandte Chemie, International Edition in English. 14 (1975),94. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: Xn
Risk Statements: 22-36/37/38-34
Safety Statements: 26-36-45-36/37/39
RIDADR: 2811
WGK Germany: 3
RTECS: AJ1530000
HazardClass: 8
PackingGroup: III
Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Risk Statements: 22-36/37/38-34
Safety Statements: 26-36-45-36/37/39
RIDADR: 2811
WGK Germany: 3
RTECS: AJ1530000
HazardClass: 8
PackingGroup: III
Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Specification
Handling of OXODIACETIC ACID: Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Keep container tightly closed. Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation.
Storage of OXODIACETIC ACID: Store in a cool, dry, well-ventilated area away from incompatible substances. Store in a tightly closed container. Keep container closed when not in use.
Storage of OXODIACETIC ACID: Store in a cool, dry, well-ventilated area away from incompatible substances. Store in a tightly closed container. Keep container closed when not in use.