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| CAS No.: | 557-30-2 |
|---|---|
| Name: | GLYOXIME |
| Molecular Structure: | |
|
|
|
| Formula: | C2H4 N2 O2 |
| Molecular Weight: | 88.066 |
| Synonyms: | Ethanedial,dioxime (9CI); Glyoxal, dioxime (8CI); Glyoxime (6CI,7CI); Ethanedione dioxime;NSC 18263; Pik-off |
| Density: | 1.29g/cm3 |
| Melting Point: |
178-180 °C |
| Boiling Point: | 169.3°Cat760mmHg |
| Flash Point: | 56.2°C |
| Hazard Symbols: | R1:Explosive when dry.; R11:Highly flammable.; R21:Harmful in contact with skin.; R25:Toxic if swallowed.; |
| Risk Codes: | R1;R11;R21;R25; |
| Safety: | Poison by ingestion. Moderately toxic by skin contact. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. |
| PSA: | 65.18000 |
| LogP: | -0.09360 |
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Chemistry
Molecule structure of Ethanedial dioxime (CAS NO.557-30-2):
IUPAC Name: N-[(E)-2-Nitrosoethenyl]hydroxylamine
Molecular Weight: 88.06536 g/mol
Molecular Formula: C2H4N2O2
Density: 1.293 g/cm3
Melting Point: 178-180 °C
Boiling Point: 310.229 °C at 760 mmHg
Flash Point: 188.015 °C
Index of Refraction: 1.487
Molar Refractivity: 19.569 cm3
Molar Volume: 68.087 cm3
Polarizability: 7.758×10-24 cm3
Surface Tension: 51.518 dyne/cm
Enthalpy of Vaporization: 63.897 kJ/mol
XLogP3-AA: -0.1
H-Bond Donor: 2
H-Bond Acceptor: 4
Rotatable Bond Count: 1
Tautomer Count: 5
Exact Mass: 88.027277
MonoIsotopic Mass: 88.027277
Topological Polar Surface Area: 61.7
Heavy Atom Count: 6
Complexity: 60.6
Canonical SMILES: C(=CN=O)NO
Isomeric SMILES: C(=C/N=O)\NO
InChI: InChI=1S/C2H4N2O2/c5-3-1-2-4-6/h1-3,5H/b2-1+
InChIKey: RUFIRPVAEJIIIS-OWOJBTEDSA-N
EINECS of Ethanedial dioxime (CAS NO.557-30-2): 209-168-1
Toxicity Data With Reference
| 1. | mmo-esc 20 µmol/plate | MUREAV Mutation Research. 164 (1986),263. | ||
| 2. | orl-rat LD50:119 mg/kg | 85ARAE Agricultural Chemicals, Books I, II, III, and IV 3 (1976/7769. | ||
| 3. | skn-rbt LD50:1580 mg/kg | FMCHA2 Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: )1983,C188. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by ingestion. Moderately toxic by skin contact. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Risk Statements: 1-11-21-25
R1:Explosive when dry.
R11:Highly flammable.
R21:Harmful in contact with skin.
R25 :Toxic if swallowed.
Safety Statements: 16-35-36/37/39-45
S16:Keep away from sources of ignition.
S35:This material and its container must be disposed of in a safe way.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 1325 4.1/PG 2
WGK Germany: 3
RTECS: MD2850000
HazardClass: 4.1
PackingGroup: II
Specification
Ethanedial dioxime (CAS NO.557-30-2) is also called Glyoxal dioxime ; 3-01-00-03084 (Beilstein Handbook Reference) ; AI3-61673 ; BRN 1699539 ; CCRIS 7742 ; CGA 22,911 ; CGA-15281 ; CGA-22911 10S ; Caswell No. 471AA ; EPA Pesticide Chemical Code 425300 ; Ethanedione dioxime ; Glyoxal-dioxime ; Glyoxime ; NSC 18263 ; Pik-Off .