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Chemical structure of C.I. Mordant Black 11, monosodium salt

GB58376

C.I. Mordant Black 11, monosodium salt

Also listed as EriochromeblackTindicatorEriochromeblackT(C·I·14645),1%solid;medium:solid

C.I. Mordant Black 11, monosodium salt (catalogue number GB58376) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 1787-61-7. Molecular formula C20H12N3NaO7S, molecular weight 461.38. IUPAC name: sodium 3-hydroxy-4-[(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate. Supplied as 500g at ₪114.21; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS1787-61-7MW461.38FormulaC20H12N3NaO7S
CAS number
1787-61-7
Molecular weight
461.38
Formula
C20H12N3NaO7S
Solubility
DMSO ： 50 mg/mL (108·37 mM; Need ultrasonic)
InChIKey
AMMWFYKTZVIRFN-UHFFFAOYSA-M
Catalogue number
GB58376
Brand
GLPBIO
Computed properties PubChem CID 135465089 · TPSA 177 Ų · H-bond donors 2 · H-bond acceptors 9
TPSA
177 Ų
H-bond donors
2
H-bond acceptors
9
Rotatable bonds
2
Heavy atoms
32

SMILES C1=CC=C2C(=C1)C=CC(=C2O)N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-].[Na+]

Computed descriptors from PubChem (CID 135465089), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.