The Molecular Structure of Menadione sodium bisulfite (CAS NO.130-37-0):

Empirical Formula: C₁₁H₉NaO₅S
Molecular Weight: 276.2409 
Empirical Formula: C11H9NaO5S
Molecular Weight: 276.2409
Nominal Mass: 276 Da
Average Mass: 276.2409 Da
Monoisotopic Mass: 276.006838 Da
IUPAC Name: sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate 
Nominal Mass: 276 Da
Average Mass: 276.2409 Da
Monoisotopic Mass: 276.006838 Da 
InChI
InChI=1/C11H10O5S.Na/c1-11(17(14,15)16)6-9(12)7-4-2-3-5-8(7)10(11)13;/h2-5H,6H2,1H3,(H,14,15,16);/q;+1/p-1
Smiles
c12c(C(C[C@@](C1=O)(S(=O)(=O)[O-])C)=O)cccc2.[Na+]

Reported in EPA TSCA Inventory.

Human mutation data reported. When heated to decomposition it emits toxic vapors of SO_x.
Hazard Codes: Xi
Risk Statements: 36
Safety Statements: 26
WGK Germany: 3

APPEARANCE OF MENADIONE SODIUM HYDROGEN SULFITE : white crystalline powder
CONTENT: 98.0% min
SODIUM BISULFITE: 31.0% - 34.0%
WATER: 15.0% - 17.0%
HEAVY METALS: 20ppm max
ARSENIC: 5ppm max

 Menadione sodium bisulfite (CAS NO.130-37-0) is also called as Menadione sodium bisulfite anhydrous ; 1,2,3,4-Tetrahydro-2-methyl-1,4-dioxo-2-naphthalenesulfonic acid sodium salt ; 2,3-Dihydro-2-methyl-1,4-naphthoquinone-2-sulfonate sodium ; 2-Methyl-1,4-naphthoquinone sodium bisulfite ; 2-Methyl-1,4-naphthoquinone sodium hydrogen sulfite ; 2-Methylnaphthoquinone sodium hydrogen sulfite ; Bisulfite sodique de menadione ; Bisulfite sodique de menadione [INN-French] ; Bisulfito sodico de menadiona ; Bisulfito sodico de menadiona [INN-Spanish] ; CCRIS 7112 ; Dohyfral ; EINECS 204-987-0 ; Golagen K ; Hemoklot ; Hetroge K premix ; Hetrogen K ; Hykinone ; Ido-K ; K-Trombina ; Kalzon ; Kavitamin ; Kavitan ; Kawitan ; Klotogen ; Klotogen F ; Klotogen F 16 ; Klotogen F 227 ; MSBC ; Menachinonum natrium bisulfurosum ; Menadione sodio bisolfito ; Menadione sodio bisolfito [DCIT] ; Menadione sodium hydrogen sulfite ; Menadioni natrii bisulfis ; Menadioni natrii bisulfis [INN-Latin] ; Menadioni natrii hydrogensulfis ; Menaphthone sodium bisulfite ; Menaphthone sodium bisulphite ; Natrium menadionsulfonicum ; Sodium menadione bisulfite ; UNII-6XF3C2HK77 ; Vikasol ; Vikasolum ; Vitamin K injection ; Vitamin K3 sodium ; bisulfite ; 2-Naphthalenesulfonic acid, 1,2,3,4-tetrahydro-2-methyl-1,4-dioxo-, sodium salt ; 2-Naphthalenesulfonic acid, 1,2,3,4-tetrahydro-2-methyl-1,4-dioxo-, sodium salt (1:1) ; Precautions: Do not breathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. Keep locked up.. Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk, evaporate the residue under a fume hood. Ground all equipment containing material. If you feel unwell, seek medical attention and show the label when possible. Avoid contact with skin and eyes.Storage: Do not store above 24^°C (75.2^°F). Preferably refrigerate and do not store above 0^°C (32^°F). Light Sensitive. Moisture Sensitive. Store in light-resistant containers. Keep container tightly closed. Keep container in a cool, well-ventilated area.