Benzenesulfonic acid,5-chloro-2-[4,5-dihydro-3-methyl-4-[2-[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]-,sodium salt (1:1)

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Product NameCAS #EC noAnnex I
Index Number
ACID YELLOW 406372-96-9 228-907-9 None
FormulaC23H19ClN4O7S2.Na
Molecular Weight 584,9900 AMU

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4 - First Aid Measures

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AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
In case of contact, immediately wash skin with soap and copious
amounts of water.
AFTER EYE CONTACT
In case of contact, immediately flush eyes with copious amounts
of water for at least 15 minutes.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

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5 - Fire Fighting Measures

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EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.
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SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

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6 - Accidental Release Measures

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PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.
METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.

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7 - Handling and Storage

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HANDLING
Directions for Safe Handling: Avoid inhalation. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.
STORAGE
Conditions of Storage: Keep tightly closed. Store in a cool dry
place.

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8 - Exposure Controls / Personal Protection

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ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling. Wash contaminated clothing before
reuse.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US)
or CEN (EU). Respiratory protection is not required. Where
protection is desired, use multi-purpose combination (US) or type
ABEK (EN 14387) respirator cartridges.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.

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9 - Physical and Chemical Properties

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pH N/A
BP/BP RangeN/A
MP/MP Range147,000 °C
Flash PointN/A
FlammabilityN/A
Autoignition TempN/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion LimitsN/A
Vapor PressureN/A
Partition Coefficient N/A
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ViscosityN/A
Vapor DensityN/A
Saturated Vapor Conc. N/A
Evaporation RateN/A
Bulk DensityN/A
Decomposition Temp.N/A
Solvent ContentN/A
Water ContentN/A
Surface TensionN/A
ConductivityN/A
Miscellaneous DataN/A
SolubilityN/A

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10 - Stability and Reactivity

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STABILITY
Materials to Avoid: Strong oxidizing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Nitrogen oxides, Sulfur oxides, Hydrogen chloride gas.

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11 - Toxicological Information

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SIGNS AND SYMPTOMS OF EXPOSURE
To the best of our knowledge, the chemical, physical, and
toxicological properties have not been thoroughly investigated.
ROUTE OF EXPOSURE
Skin Contact: May cause skin irritation.
Eye Contact: May cause eye irritation.
Multiple Routes: May be harmful by inhalation, ingestion, or
skin absorption.

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12 - Ecological Information

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No data available.

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13 - Disposal Considerations

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SUBSTANCE DISPOSAL
Dissolve or mix the material with a combustible solvent and burn
in a chemical incinerator equipped with an afterburner and
scrubber. Observe all federal, state, and local environmental
regulations.

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14 - Transport Information

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RID/ADR
Non-hazardous for road transport.
IMDG
Non-hazardous for sea transport.
IATA
Non-hazardous for air transport.

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15 - Regulatory Information

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COUNTRY SPECIFIC INFORMATION
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Germany
WGK: 3
Self-Classification

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16 - Other Information

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WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2010 Co. License granted to make
unlimitedpaper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
ALDRICHwww.molbase.com

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SECTION 16 - ADDITIONAL INFORMATION
N/A