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| CAS No.: | 127-20-8 |
|---|---|
| Name: | 2,2-DICHLOROPROPIONIC ACID SODIUM SALT |
| Molecular Structure: | |
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|
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| Formula: | C3H4 Cl2 O2 . Na |
| Molecular Weight: | 164.951 |
| Synonyms: | Propanoicacid, 2,2-dichloro-, sodium salt (9CI); Propionic acid, 2,2-dichloro-, sodiumsalt (8CI); 2,2-DPA Na salt; 2,2-Dichloropropionic acid sodium salt;Antigramigna; Basfapon; Dalapon sodium; Dalapon sodium salt; Dikopan; Dowpon;Dowpon S; Gramevin; Omnidel; Omnidel Spezial; Propinate; Radapon; SYS 67Omnidel; Sodium 2,2-dichloropropionate; Sodium 2,2-dichloropropionic acid;Sodium Dalapon; Sodium dichloropropionate; Sodium a,a-dichloropropionate; Tafapon; a,a-Dichloropropionic acid sodiumsalt |
| Density: | 1.497g/cm3 |
| Melting Point: | 193-197oC |
| Boiling Point: | 187.5°Cat760mmHg |
| Flash Point: | 76.1°C |
| Hazard Symbols: |
|
| Risk Codes: | 20/21/22-34-36/37/38 |
| Safety: | Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O and Cl−. |
| PSA: | 40.13000 |
| LogP: | -0.06990 |
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- 73441-42-6METHYL-5-CHLORO-2,2-DIMETHYLVALERATE
- 127-20-8
sodium 2,2-dichloropropionate
- 26073-26-7
2,2-dichloropropionyl chloride
| Conditions | Yield |
|---|---|
| With oxalyl dichloride In pyridine; dichloromethane at 25℃; for 2h; | 70% |
| With dmap; oxalyl dichloride In dichloromethane |
- 127-20-8
sodium 2,2-dichloropropionate
- 107905-50-0
α,α-Dichloropropionic anhydride
| Conditions | Yield |
|---|---|
| With thionyl chloride In dichloromethane for 2h; Heating; | 43% |
| Conditions | Yield |
|---|---|
| In acetone |
- 39074-64-1
Isopropyl-N-chloromethyl-N-(3-chlorophenyl)-carbamate
- 127-20-8
sodium 2,2-dichloropropionate
- 40151-75-5
2,2-Dichloro-propionic acid [(3-chloro-phenyl)-isopropoxycarbonyl-amino]-methyl ester
- 39073-78-4
(5-Chloro-2-methoxy-phenyl)-chloromethyl-carbamic acid isopropyl ester
- 127-20-8
sodium 2,2-dichloropropionate
- 50887-80-4
2,2-Dichloro-propionic acid [(5-chloro-2-methoxy-phenyl)-isopropoxycarbonyl-amino]-methyl ester
- 127-20-8
sodium 2,2-dichloropropionate
- 125973-26-4
2,2-dichloropropionyl hypofluorite
| Conditions | Yield |
|---|---|
| With water; fluorine In various solvent(s) at -78℃; |
- 73050-78-9
2-(5-chloro-2-hydroxy-phenyl)-propan-2-ol
- 127-20-8
sodium 2,2-dichloropropionate
- 73050-93-8
6-chloro-2,4,4-trimethyl-[4H]-1,3-benzodioxin-2-carboxylic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride In 1,4-dioxane |
- 74271-47-9
chloro-5 hydroxy-2 α-methyl α-phenyl benzene methanol
- 127-20-8
sodium 2,2-dichloropropionate
| Conditions | Yield |
|---|---|
| In water; toluene |
| Conditions | Yield |
|---|---|
| In water a soln. of Cu comp. added to a soln. of acid (pH 4.5-5, 1:2 molar ratio), left to stand at room temp.; |
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Chemistry
IUPAC Name: Sodium 2,2-dichloropropanoate
CAS: 127-20-8
EINECS: 204-828-5
Product Categories: Organics .
Following is the Molecular Structure of α,α-Dichloropropionic acid sodium salt (127-20-8):
SMILES: [Na+].ClC(Cl)(C([O-])=O)C
InChI: InChI=1/C3H4Cl2O2.Na/c1-3(4,5)2(6)7;/h1H3,(H,6,7);/q;+1/p-1
InChIKey: PDEFQWNXOUGDJR-REWHXWOFAR
Std.InChI: InChI=1S/C3H4Cl2O2.Na/c1-3(4,5)2(6)7;/h1H3,(H,6,7);/q;+1/p-1
Std.InChIKey: PDEFQWNXOUGDJR-UHFFFAOYSA-M
Molecular Formula: C3H3Cl2NaO2
Molecular Weight: 164.95
Boiling Point: 187.5℃ at 760mmHg
Flash Point: 76.1℃
Enthalpy of Vaporization: 46.71kJ/mol
Vapour Pressure: 0.282mmHg at 25℃
Uses
α,α-Dichloropropionic acid sodium salt (127-20-8) can be used for herbicide.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| chicken | LD50 | oral | 5600mg/kg (5600mg/kg) | Down to Earth. Vol. 35, Pg. 25, 1979. | |
| domestic animals - goat/sheep | LD50 | oral | > 4gm/kg (4000mg/kg) | "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A112, Pg. 1984, | |
| guinea pig | LD50 | oral | 3400mg/kg (3400mg/kg) | "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976. | |
| mammal (species unspecified) | LC50 | inhalation | > 20gm/m3/8H (20000mg/m3) | Pesticide Manual. Vol. 9, Pg. 222, 1991. | |
| mammal (species unspecified) | LD50 | oral | 4gm/kg (4000mg/kg) | "Pflanzenschutz-und Schaedlingsbekaempfungsmittel: Abriss einer Toxikologie und Therapie von Vergiftungen," 2nd ed., Klimmer, O.R., Hattingen, Fed. Rep. Ger., Hundt-Verlag, 1971Vol. -, Pg. 86, 1971. | |
| mammal (species unspecified) | LD50 | unreported | 6600mg/kg (6600mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C164, 1991. | |
| mouse | LD50 | oral | 4600mg/kg (4600mg/kg) | Japan Pesticide Information. Vol. (11), Pg. 42, 1972. | |
| mouse | LD50 | unreported | 3650mg/kg (3650mg/kg) | Tsitologiya i Genetika. Cytology and Genetics. For English translation, see CYGEDX. Vol. 16(1), Pg. 45, 1982. | |
| rabbit | LD50 | oral | 3400mg/kg (3400mg/kg) | "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976. | |
| rabbit | LD50 | skin | > 2gm/kg (2000mg/kg) | Pesticide Manual. Vol. 9, Pg. 222, 1991. | |
| rat | LD50 | oral | 3860mg/kg (3860mg/kg) | World Review of Pest Control. Vol. 9, Pg. 119, 1970. | |
| rat | LD50 | parenteral | > 6gm/kg (6000mg/kg) | Defense des Vegetaux. Vol. 14, Pg. 3, 1960. |
Consensus Reports
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Safety Profile
Hazard Codes: 
Xi Irritant.
Risk Statements: 20/21/22-34-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R34: Causes burns.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-27-28-36/37/39-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27: Take off immediately all contaminated clothing.
S28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S36: Wear suitable protective clothing.
RIDADR: UN 3261 8/PG 2
RTECS: UF1225000
Moderately toxic by ingestion. Mutation data reported.
Standards and Recommendations
DFG MAK: 1 ppm (6 mg/m3)
Specification
α,α-Dichloropropionic acid sodium salt (127-20-8),which also can be called for Dpa sodium ; Dalapone-Na ; Dalapon-sodium ; alpha,alpha-Dichloropropionic acid,sodium salt ; 2,2-Dichloropropionic acid sodium salt ; Sodium dichloropropionate ; Sodium 2,2-dichloropropionate ; 2,2-Dichloro-propanoicacisodiumsalt .When α,α-Dichloropropionic acid sodium salt (127-20-8) was heated,it emits toxic fumes of Na2O and Cl− .This chemical is a white or yellow powder and it should be stored at 4℃.It's soluble in water and most organic solvents.