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MSDS Material Safety Data Sheet
CAS

877-24-7
121-54-0
7732-18-5

File Name: pulseinstruments_net---msds_ph4.asp
 
                               MATERIAL SAFETY DATA SHEET



                                    pH 4 BUFFER SOLUTION



Section I : Product Identification

Product Name : pH 4 BUFFER SOLUTION

Model Number : PH04-04, PH04-16, PH04-GAL

Chemical Family : Inorganic Salt



Section II : Hazardous Components



Chemical Components             %          CAS No.         Nature of Hazard

Potassium Hydrogen              <1.0%      877-24-7        N/A

Phthalate

Benzethonium                    <0.01%     121-54-0        N/A

Water                           99+%       7732-18-5       N/A



Section III : Physical Data

State : Liquid

Appearance : Pink-Orange Oderless Liquid

Boiling Point (at 760 mm Hg) : 100 C

Melting Point : NA

Specific Gravity : 1.005

Solubility in Water : Miscible

Vapor Pressure (mm Hg) : NA

Vapor Density (air = 1) : NA

Evaporation Rate : NA

Storage Precautions : None



Section IV : Fire and Explosion Hazard Data

Flash Point : NA

NFPA Codes : Health 0, Flammability 0, Reactivity 0

Toxic Gases Produced : None

Extinguishing Media : Water, Carbon Dioxide, or dry chemical



Section V : Health Hazard Data

Threshold Limit Value (TLV/TWA) : NA

Toxicity : LD50 (Oral-Rat) : NA

           Potassium Hydrogen Phthalate = NA

           Benzethonium Chloride = 420 mg/kg

Effects of Exposure : May irritate eyes, skin, and respiratory tract

Precautionary Steps : Avoid contact with eyes, skin, and clothing



Emergency and First Aid Procedures : If skin contact, wash exposed area with soap and water.

Get medical help if irritation persists. If eye contact, flush the eye thoroughly with running water.

Get medical help if irritation persists.









                               Website: www.pulseinstrument.com

Section VI : Reactivity Data

Stability : Stable

Hazardous Polymerization : NA

Conditions to Avoid : None

Incompatibles : None

Decomposition Products : -COX, K20 small quantities of each



Section VII : Spill and Disposal Procedures

In case of Spill or Discharge : Take up on absorbing paper / cloth and put in a container. Flush

spill area with water.

Disposal Procedure : Dispose in accordance with all applicable federal, state, local

environmental regulations.



Section VIII : Transportation Data

Proper Shipping Name : NA

Hazard Class : NA

UN Number : NA



**NA = Not applicable or not defined.





**NOTE:

The information in this document is based on data considered accurate. However, Pulse

Instruments is not responsible for the implied accuracy of the data or the results obtained from

its use. The information contained herein is furnished without warranty of any kind. The

provided information should be considered only as a supplement.





Modification Date: April 20, 2006

Version: 1.1









                              Website: www.pulseinstrument.com
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