61925-55-1

1,5-naphthalenedisulfonate (2:1) (CA INDEX NAME);
Bis(2-methoxy-4-nitrophenyldiazonium)
1,5-Naphthalenedisulfonate
Chemical FormulaC24H18N6O12S2
61925-55-1
CAS Number

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Section II.Composition and Information on Ingredients
Chemical NameCAS Number Percent (%)TLV/PELToxicology Data
Fast Red B Salt 1,5-Naphthalenedisulfonate61925-55-1Min. 97.0 Not available.Not available.
[for Biochemical Research]
(HPLC)

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Section III. Hazards Identification
Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the
Acute Health Effects
eye is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening, or,
occasionally, blistering.
Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound.
Chronic Health EffectsCARCINOGENIC EFFECTS : Not available.
MUTAGENIC EFFECTS : Not available.
TERATOGENIC EFFECTS : Not available.
DEVELOPMENTAL TOXICITY: Not available.
Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.

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Section IV.First Aid Measures
Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15
Eye Contact
minutes. Get medical attention.
In case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing
Skin Contact
before reuse. Thoroughly clean shoes before reuse. Get medical attention.
InhalationIf the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or
waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not
improve.
IngestionDo NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious
person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar,
tie, belt or waistband.

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Section V.Fire and Explosion Data
Not available.
May be combustible at high temperature.Auto-Ignition
Flammability
Flash PointsFlammable LimitsNot available.
Not available.
These products are toxic carbon oxides (CO, CO2), nitrogen oxides (NO, NO2), sulfur oxides (SO2, SO3...).
Combustion Products
Fire Hazards
Not available.
Risks of explosion of the product in presence of mechanical impact: Not available.
Explosion Hazards
Risks of explosion of the product in presence of static discharge: Not available.
Fire Fighting Media
SMALL FIRE: Use DRY chemical powder.
LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet.
and Instructions
Consult with local fire authorities before attempting large scale fire-fighting operations.
Continued on Next Page
Fast Red B Salt 1,5-Naphthalenedisulfonate
[for Biochemical Research]

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Section VI.Accidental Release Measures
Spill CleanupIrritating material.
Use a shovel to put the material into a convenient waste disposal container. Consult federal, state, and/or local authorities for
Instructions
assistance on disposal.

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Section VII. Handling and Storage
IRRITANT. Keep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a
Handling and Storage
dry, cool place. Avoid excessive heat and light. Do not breathe dust.
Information
Always store away from incompatible compounds such as oxidizing agents.

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Section VIII. Exposure Controls/Personal Protection
Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended
Engineering Controls
exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants
below the exposure limit.
Splash goggles. Lab coat. Dust respirator. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a
Personal Protection
specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent.
Exposure LimitsNot available.

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Section IX. Physical and Chemical Properties
Solid. (Crystal ~ powder,Solubility
Physical state @ 20°CNot available.
pale yellow ~ reddish-yellow.)
Not available.
Specific Gravity
Molecular Weight646.56Partition CoefficientNot available.
Boiling PointNot available.Not applicable.
Vapor Pressure
Melting PointNot available.Vapor DensityNot available.
Not available.Not available.
Refractive IndexVolatility
Critical TemperatureNot available.OdorNot available.
Not available.Not available.
ViscosityTaste

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Section X.Stability and Reactivity Data

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This material is stable if stored under proper conditions. (See Section VII for instructions)
Stability
Conditions of InstabilityAvoid excessive heat and light.
IncompatibilitiesReactive with oxidizing agents.

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Section XI. Toxicological Information
RTECS NumberNot available.
Eye Contact. Ingestion. Inhalation.
Routes of Exposure
Not available.
Toxicity Data
CARCINOGENIC EFFECTS : Not available.
Chronic Toxic Effects
MUTAGENIC EFFECTS : Not available.
TERATOGENIC EFFECTS : Not available.
DEVELOPMENTAL TOXICITY: Not available.
Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.
Acute Toxic EffectsIrritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the eye
is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening, or,
occasionally, blistering.
Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound.

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Section XII.Ecological Information
EcotoxicityNot available.
Not available.
Environmental Fate
Continued on Next Page
Fast Red B Salt 1,5-Naphthalenedisulfonate
[for Biochemical Research]

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Section XIII.Disposal Considerations
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a
Waste Disposal
combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all
federal, state and local regulations when disposing of the substance.

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Section XIV. Transport Information
DOT ClassificationNot a DOT controlled material (United States).
PIN NumberNot applicable.
Proper Shipping NameNot applicable.
Packing Group (PG)Not applicable.
DOT Pictograms

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Section XV. Other Regulatory Information and Pictograms
TSCA Chemical InventoryThis compound is ON the EPA Toxic Substances Control Act (TSCA) inventory list.
(EPA)
WHMIS ClassificationOn NDSL.
(Canada)
EINECS Number (EEC) 263-324-3
EEC Risk StatementsR36/37/38- Irritating to eyes, respiratory system and skin.

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SECTION 16 - ADDITIONAL INFORMATION
N/A