MEROCYANINE 540 Structure

MEROCYANINE 540

Chemical Properties

Melting point 285 °C (dec.)(lit.)
storage temp.  2-8°C
solubility  DMSO: soluble
form  Solid
color  Dark purple to black
λmax 555 nm
ex/em λex 559 nm; λem 579 nm in EtOH
BRN  3585252
InChIKey OSQUFVVXNRMSHL-LTHRDKTGSA-M
SMILES [Na+].CCCCN1C(=O)C(=C\C=C\C=C2/Oc3ccccc3N2CCCS([O-])(=O)=O)\C(=O)N(CCCC)C1=S
FDA UNII BS0KSN6L1U
EPA Substance Registry System 3(2H)-Benzoxazolepropanesulfonic acid, 2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-butenylidene]-, sodium salt (62796-23-0)
UNSPSC Code 12352103
NACRES NA.23

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
RTECS  DM4866500
F  3-8-10
TSCA  TSCA listed
Storage Class 11 - Combustible Solids
NFPA 704:
0
1 0

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