- Glycol dimercaptoacetate
- Glycolaldehyde dimer
- Glycolic acid
- Glycolic acid, calcium salt
- GLYCOLIC ALDEHYDE
- Glycolithocholic acid, sodium salt
- Glycoluril
- GLYCOLS, POLYETHYLENE MONO(TRI-METHYLNONYL)
- Glycolpyramide
- Glycol sulfite
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Cas Database |
| Name |
Glycol dimercaptoacetate |
EINECS | 204-653-4 |
| CAS No. | 123-81-9 | Density | 1.313 |
| PSA | 130.20000 | LogP | -0.06760 |
| Solubility | 20 g/L (20 ºC) | Melting Point |
N/A |
| Formula | C6H10 O4 S2 | Boiling Point | 317 ºC |
| Molecular Weight | 210.275 | Flash Point | 167 ºC |
| Transport Information | N/A | Appearance | Clear, colorless liquid. With a stench. |
| Safety | Poison by ingestion. When heated to decomposition it emits toxic fumes of SOx. See also MERCAPTANS. | Risk Codes | R20/21/22;R36/38;R51/53 |
| Molecular Structure |
|
Hazard Symbols |
 
|
| Synonyms |
Aceticacid, mercapto-, 1,2-ethanediyl ester (9CI); Acetic acid, mercapto-, ethyleneester (6CI,7CI,8CI); Ethylene glycol, bis(mercaptoacetate) (8CI); EGTG; EGTG(polythiol); Ethylene bis(mercaptoacetate); Ethylene glycolbis(2-mercaptoacetate); Ethylene glycol bis(thioglycolate); Ethylene glycolbis(thioglycolic ester); Ethylene mercaptoacetate; Ethylenebis(thioglycolate);Glycol bis(mercaptoacetate); Glycol dimercaptoacetate; Glycol(bisthioglycolate); NSC 30032; PETP |
Article Data | 3 |
Glycol dimercaptoacetate Synthetic route
| Conditions | Yield |
|---|---|
| With toluene-4-sulfonic acid In toluene Heating; | 70% |
| With sulfuric acid at 70 - 80℃; Reagent/catalyst; Temperature; Large scale; |
- 107-21-1
ethylene glycol
- 68-11-1
mercaptoacetic acid
A
- 7380-58-7
mercapto-acetic acid-(2-hydroxy-ethyl ester)
B
- 123-81-9
ethylene glycol dimercaptoacetate
| Conditions | Yield |
|---|---|
| toluene-4-sulfonic acid at 110 - 150℃; for 5h; |
| Conditions | Yield |
|---|---|
| With 2,2-dimethoxy-2-phenylacetophenone In benzene at 50 - 60℃; for 1h; Irradiation; | 96% |
- 123-81-9
ethylene glycol dimercaptoacetate
- 107-02-8
acrolein
- 158199-70-3
Ethylen-bis(6-oxo-3-thiahexanoat)
| Conditions | Yield |
|---|---|
| With triethylamine In chloroform for 12h; Ambient temperature; | 95% |
- 99396-97-1
(AuCl)2(μ-trans-1,2-bis(diphenylphosphino)ethylene)
- 123-81-9
ethylene glycol dimercaptoacetate
- 2966-50-9
silver trifluoroacetate
| Conditions | Yield |
|---|---|
| In methanol; dichloromethane byproducts: AgCl; (darkened flask); addn. of soln. of silver compd. in methanol to soln. of gold compd. in CH2Cl2, stirring for 30 min, filtration through Celite,addn. of dithiol deriv. in CH2Cl2, stirring for 3 h; addn. of pentane, filtration, washing with acetone and ether, elem. anal.; | 93% |
| Conditions | Yield |
|---|---|
| In toluene at 110℃; for 29h; Dean-Stark; | 93% |
| In toluene at 110℃; for 24h; Dean-Stark; | 89% |
- 63640-04-0
1,4-bis(diphenylphosphino)butane digold(I) dichloride
- 123-81-9
ethylene glycol dimercaptoacetate
- 2966-50-9
silver trifluoroacetate
- 909123-30-4
[(CH2OCOCH2SAu)2)(μ-Ph2P(CH2)4PPh2)]
| Conditions | Yield |
|---|---|
| In methanol; dichloromethane byproducts: AgCl; (darkened flask); addn. of soln. of silver compd. in methanol to soln. of gold compd. in CH2Cl2, stirring for 30 min, filtration through Celite,addn. of dithiol deriv. in CH2Cl2, stirring for 3 h; addn. of pentane, filtration, washing with acetone and ether, elem. anal.; | 87% |
- 64659-16-1
Au2Cl2{μ-Ph2P(CH2)6PPh2}
- 123-81-9
ethylene glycol dimercaptoacetate
- 2966-50-9
silver trifluoroacetate
- 909123-32-6
[(CH2OCOCH2SAu)2)(μ-Ph2P(CH2)6PPh2)]
| Conditions | Yield |
|---|---|
| In methanol; dichloromethane byproducts: AgCl; (darkened flask); addn. of soln. of silver compd. in methanol to soln. of gold compd. in CH2Cl2, stirring for 30 min, filtration through Celite,addn. of dithiol deriv. in CH2Cl2, stirring for 3 h; addn. of pentane, filtration, washing with acetone and ether, elem. anal.; | 85% |
| Conditions | Yield |
|---|---|
| With tripropylborane In methanol; hexane; benzene at 20℃; | A 48% B 9% |
- 156842-95-4
MoCl(CO)2(1,10-phenanthroline)(η(3)-CH2C(COCl)C=CH2)
- 75-09-2
dichloromethane
- 123-81-9
ethylene glycol dimercaptoacetate
| Conditions | Yield |
|---|---|
| With triethylamine In dichloromethane (N2); dropwise addn. of dithiol to a soln. of molybdenum complex and amine in CH2Cl2, stirring for 2 h; storage at low temp., filtration, recrystn. (CH2Cl2/petrol), drying in vac.; elem. anal.; | 47% |
Glycol dimercaptoacetate Chemical Properties
IUPAC: 2-(2-Sulfanylacetyl)oxyethyl 2-sulfanylacetate
Mercapto di-acetic acid, ethylene ester (123-81-9) is also called for AI3-26087 ; Acetic acid, mercapto-, 1,2-ethanediyl ester ; BRN 1948305 ; EINECS 204-653-4 ; Ethylene bis(mercaptoacetate) ; Ethylene bis(thioglycolate) ; Ethylene glycol bis(mercaptoacetate) ; Ethylene glycol bis(thioglycolate) ; Ethylene glycol bis(thioglycolic ester) ; Ethylene mercaptoacetate ; Ethylenebis(thioglycolate) ; GDMA ; Glycol bis(mercaptoacetate) ; Glycol dimercaptoacetate ; NSC 30032 ; Acetic acid, 2-mercapto-, 1,1'-(1,2-ethanediyl) ester ; Ethylene di(S-thioacetate) and so on.
Molecular Weight: 210.27
Molecular Formula: C6H10O4S2
EINECS: 204-653-4
LogP: ACD/LogP: 0.90
XLogP: 0.60
ALOGPS: 0.75
ACD/LogD (pH 5.5): 0.89
ACD/LogD (pH 7.4): 0.72
ACD/BCF (pH 5.5): 2.8
ACD/BCF (pH 7.4): 1.89
ACD/KOC (pH 5.5): 72.7
ACD/KOC (pH 7.4): 48.95
H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 9
Index of Refraction: 1.516
Molar Refractivity: 49.18 cm3
Molar Volume: 162.6 cm3
Surface Tension: 46.2 dyne/cm
Density: 1.292 g/cm3
Flash Point: 242.1°C
Enthalpy of Vaporization: 55.84 kJ/mol
Boiling Point: 317.1°C at 760 mmHg
Vapour Pressure: 0.000394 mmHg at 25°C
The appearance of Mercapto di-acetic acid, ethylene ester (123-81-9) is clear liquid.
The molecular structure of Mercapto di-acetic acid, ethylene ester (123-81-9):
Glycol dimercaptoacetate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | oral | 50mg/kg (50mg/kg) | BEHAVIORAL: TREMOR BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: ATAXIA | National Technical Information Service. Vol. OTS0546402, |
| rat | LD50 | oral | 330mg/kg (330mg/kg) | International Tin Research Institute Publication. Vol. 538, Pg. 17, 1978. |
Glycol dimercaptoacetate Consensus Reports
Reported in EPA TSCA Inventory.
Glycol dimercaptoacetate Safety Profile
Poison by ingestion. When heated to decomposition it emits toxic fumes of SOx. See also MERCAPTANS.
Hazard Codes: Xn
,N 
Risk Statements: 22-36/37/38-51/53-36/38-20/21/22
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R36/38:Irritating to eyes and skin.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36-57-36/37/39-29
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S57:Use appropriate container to avoid environmental contamination.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S29:Do not empty into drains.
RIDADR: 2810
WGK Germany: 2
RTECS: AI6600000
HazardClass: 6.1(b)
PackingGroup: III
HS Code: 29309070
Glycol dimercaptoacetate Specification
1.Treatment of Mercapto di-acetic acid, ethylene ester (123-81-9) in Wastewater :
Total removal:1.85 percent
Total biodegradation:0.09 percent
Total sludge adsorption:1.76 percent
Total to air:0.00 percent
(using 10000 hr Bio P,A,S)
2. Handling and Storage
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Store in a tightly closed container.
3.Fire Fighting Measures
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
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