3(2H)-Benzoxazolepropanesulfonicacid,2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-buten-1-ylidene]-,sodium salt (1:1) cas no:62796-23-0

Name3(2H)-Benzoxazolepropanesulfonicacid,2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-buten-1-ylidene]-,sodium salt (1:1)
CAS62796-23-0
Synonyms3(2H)-Benzoxazolepropanesulfonicacid,2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-butenylidene]-,sodium salt (9CI); M 540; M 540 (dye); MC 540; Merocyanine 540; NK 2272
Molecular FormulaC26H33 N3 O6 S2 . Na
Molecular Weight569.72

storage temp2-8°C

Hazard Xi
Risk 36/37/38
Safety

Poison by intravenous route. When heated to decomposition it emits very toxic fumes of Na₂O, SO_x, and NO_x.
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
S36: Wear suitable protective clothing
WGK Germany: 3
RTECS: DM4866500
F: 3-8-10

1.

ivn-mus LD50:92 mg/kg

TXAPA9    Toxicology and Applied Pharmacology. 44 (1978),225.