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

Reported in EPA TSCA Inventory.

Poison by ingestion. Moderately toxic by skin contact. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x.
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

 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 .