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Nuclear fast red

Also known as Calcium red, Sodium 4-amino-1,3-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate, C.I. 60760

Nuclear fast red chemical structure, C14H8NNaO7S, CAS 6409-77-4
2D chemical structure

Key facts

What buyers check first

CAS number
6409-77-4
Formula
C14H8NNaO7S
Molar mass
357.28 g/mol
EC number
229-088-0
HS code
292250
Category
Fluorescent dyes and stains

What is Nuclear fast red?

Plain description, key identifiers and synonyms

Nuclear fast red is an organic sodium salt that is the monosodium salt of 4-amino-1,3-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid. It forms bright red lakes with calcium and is a useful red nuclear staining lake with aluminum. It has a role as a fluorochrome and a histological dye. It contains a nuclear fast red(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate
CAS number
6409-77-4
EC number
229-088-0
Molecular formula
C14H8NNaO7S
UNII
MD9M23GV7H
MDL number
MFCD00078493
InChIKey
IFSXZLJQEKGQAF-UHFFFAOYSA-M
InChI
InChI=1S/C14H9NO7S.Na/c15-9-7-8(12(18)14(13(9)19)23(20,21)22)11(17)6-4-2-1-3-5(6)10(7)16;/h1-4,18-19H,15H2,(H,20,21,22);/q;+1/p-1
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C(=C3N)O)S(=O)(=O)[O-])O.[Na+]

Synonyms

  • Calcium red
  • Sodium 4-amino-1,3-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
  • C.I. 60760
  • Disodium 1-amino-2,4-dihydroxy-9,10-dihydro-9,10-dioxoanthracene-3-sulphonate
  • Nuclear Fast Red Sodium salt
  • Helio Fast Rubine BBL
  • Sodium 1,3-dihydroxy-4-aminoanthraquinone-2-sulfonate
  • 2-Anthracenesulfonic acid, 4-amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-, monosodium salt
  • Helioechtrubin
  • 4-Amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt
  • nuclear-fast-red
  • 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid, sodium salt
  • Helio fast rubin BBL
  • Nuclear fast red 0.1 % solution
  • Nuclear Fast Red Staining Solution
  • sodium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate
  • Nuclear Fast Red, for microscopy (Bot., Hist.)
  • 2-Anthracenesulfonic acid, 4-amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-, sodium salt (1:1)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
357.28 g/molcalc.
Exact mass
356.9919 Dacalc.
LogP (octanol/water)
-2.64calc.
Topological polar surface area
157.8 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
1calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1c2ccccc2C(=O)c2ccccc21

O=C1c2ccccc2C(=O)c2ccccc21

3 rings, 16 atoms, the Anthraquinone ring system.

2,059 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Nuclear fast red suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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Nuclear fast red price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • dye
  • fluorescent dye
  • fluorochrome
  • histological dye

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Nuclear fast red is traded under.

HS 2922.50Indicative HS code

Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function

World exports in 2024
$3.29B
−5.9% vs 2023, imports $3.19B
2019 to 2024
Top exporters
  1. China39.2%
  2. United Kingdom27.1%
  3. India * partner reported4.8%
Top importers
  1. United States20.7%
  2. Germany7.6%
  3. Italy6.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Nuclear fast red is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Nuclear fast red, based on the data on this page

What is Nuclear fast red?

Nuclear fast red is an organic sodium salt that is the monosodium salt of 4-amino-1,3-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid. It forms bright red lakes with calcium and is a useful red nuclear staining lake with aluminum. It has a role as a fluorochrome and a histological dye.

What is the CAS number of Nuclear fast red?

The CAS registry number of Nuclear fast red is 6409-77-4.

What is the molecular formula and weight of Nuclear fast red?

The molecular formula of Nuclear fast red is C14H8NNaO7S and its molar mass is 357.28 g/mol.

What is Nuclear fast red used for?

Known uses and roles of Nuclear fast red include indicators and stains in research and laboratory, dye, fluorescent dye, fluorochrome and histological dye.

Is Nuclear fast red hazardous?

Nuclear fast red carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Nuclear fast red?

Nuclear fast red is usually classified under HS code 292250 (Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Nuclear fast red?

CompoundList lists 2 suppliers of Nuclear fast red in United Kingdom and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Nuclear fast red in India?

1 supplier in India list Nuclear fast red on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Nuclear fast red?

Suppliers quote Nuclear fast red on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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