Molecular Structure of Carbadox (CAS NO.6804-07-5):

EINECS: 229-879-0
IUPAC Name: Methyl N-[(E)-(1-hydroxy-4-oxidoquinoxalin-4-ium-2-ylidene)methyl]iminocarbamate 
Molecular Formula: C₁₁H₁₀N₄O₄
Molecular Weight: 262.221500 g/mol
XLogP3-AA: 0.3
H-Bond Donor: 1
H-Bond Acceptor: 6
Canonical SMILES: COC(=O)N=NC=C1C=[N+](C2=CC=CC=C2N1O)[O-]
Isomeric SMILES: COC(=O)N=N/C=C/1\C=[N+](C2=CC=CC=C2N1O)[O-]
InChI: InChI=1S/C11H10N4O4/c1-19-11(16)13-12-6-8-7-14(17)9-4-2-3-5-10(9)15(8)18/h2-7,18H,1H3/b8-6+,13-12?
InChIKey: BPMVRAQIQQEBLN-OBPBNMOMSA-N
Index of Refraction: 1.647
Molar Refractivity: 65.92 cm³
Molar Volume: 181.2 cm³
Surface Tension: 60.7 dyne/cm
Density: 1.44 g/cm³
Melting Point: 239-240 °C
Water Solubility: 1755 mg/L at 25 °C
Storage Temp.: 2-8 °C

In early 2004, Carbadox was banned by the Canadian government as a livestock feed additive and for human consumption and also banned by the European Union at any level. It is approved in the United States for use in swine for up to 42 days before slaughter.

Safety Information of Carbadox (CAS NO.6804-07-5):
Hazard Codes: F ,T 
Risk Statements: 45-11-22
R45:May cause cancer
R11:Highly flammable
R22:Harmful if swallowed
Safety Statements: 53-45
S53:Avoid exposure - obtain special instructions before use
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: FE2779000
Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic effects. Human mutation data reported. When heated to decomposition it emits toxic fumes of NO_x.

  Carbadox with CAS Registry Number of 6804-07-5 is yellow crystalline solid. When heated to decomposition, it yields Carbon monoxide , Carbon dioxide , and Nitrogen oxides. Carbadox is also known as Carbadox [USAN:INN:BAN] ; 2-Formylquinoxaline 1,4-dioxide carbomethoxyhydrazone ; 3-(2-Chinoxalinylmethylen-1,4-dioxid)methylkarbazat ; 3-(2-Chinoxalinylmethylen-1,4-dioxid)methylkarbazat [Czech] ; CCRIS 3002 ; Carbadoxum ; Carbadoxum [INN-Latin] ; Fortigro ; GS 6244 ; Getroxel ; HSDB 7028 ; Hydrazinecarboxylic acid (2-quinoxalinylmethylene)-, methyl ester N(sup 1),N(sup 4)-dioxide ; Karbadox ; Karbadox [Czech] ; Mecadox ; Methyl 3-(2-quinoxalinylmethylene)carbazate N(sup 1),N(sup 4)-dioxide ; Methyl 3-(2-quinoxalinylmethylene)carbazate-N1,N4-dioxide ; UNII-M2X04R2E2Y ; Carbazic acid, 3-(2-quinoxalinylmethylene)-, methyl ester, N(sup 1),N(sup 4)-dioxide ; Hydrazinecarboxylic acid, (2-quinoxalinylmethylene)-, methyl ester N(sup 1),N(sup 4)-dioxide ; Hydrazinecarboxylic acid, (2-quinoxalinylmethylene)-, methyl ester, N,N'-dioxide (9CI) . It is used as antimicrobial to prevent and treat dysentery in swine and to maintain weight gain during periods of stress. It is also used as pharmaceutical excipient, feed additive.