Material Safety Data Sheet

                              Methyl Red Free Acid

ACC# 14715

  Section 1 - Chemical Product and Company Identification



MSDS Name: Methyl Red Free Acid

Catalog Numbers: M296-10

Synonyms: C.I. Acid Red 2; 2-(4-Dimethylaminophenylazo)benzoic acid; C.I.

13020; p-(Dimethylamino)azobenzene-o-carboxylic acid; Methyl Red.

Company Identification:

         Fisher Scientific

         1 Reagent Lane

         Fair Lawn, NJ 07410

For information, call: 201-796-7100

Emergency Number: 201-796-7100

For CHEMTREC assistance, call: 800-424-9300

For International CHEMTREC assistance, call: 703-527-3887





      Section 2 - Composition, Information on Ingredients







     CAS#                    Chemical Name                Percent     EINECS/ELINCS

   493-52-7     Methyl Red                                  100           207-776-1









                   Section 3 - Hazards Identification







                             EMERGENCY OVERVIEW



Appearance: dark red to purple solid.

Caution! May cause eye and skin irritation. May cause respiratory tract irritation.

Target Organs: No data found.





Potential Health Effects

Eye: Contact may cause transient eye irritation. This product contains an anionic

dye. Similar dyes have not caused injury to the cornea or conjunctiva in documented

exposure cases with human or rabbit eyes.

Skin: May cause skin irritation.

Ingestion: May cause irritation of the digestive tract. The toxicological properties of

this substance have not been fully investigated.

Inhalation: May cause respiratory tract irritation. The toxicological properties of this

substance have not been fully investigated.

Chronic: Chronic exposure may cause liver damage.





                      Section 4 - First Aid Measures







Eyes: In case of contact, immediately flush eyes with plenty of water for a t least 15

minutes. Get medical aid.

Skin: In case of contact, flush skin with plenty of water. Remove contaminated

clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing

before reuse.

Ingestion: If swallowed, do not induce vomiting unless directed to do so by medical

personnel. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial

respiration. If breathing is difficult, give oxygen. Get medical aid.

Notes to Physician: Treat symptomatically and supportively.





                   Section 5 - Fire Fighting Measures







General Information: As in any fire, wear a self-contained breathing apparatus in

pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.

Combustion generates toxic fumes. This material in sufficient quantity and reduced

particle size is capable of creating a dust explosion.

Extinguishing Media: For small fires, use water spray, dry chemical, carbon dioxide

or chemical foam.

Flash Point: Not applicable.

Autoignition Temperature: Not applicable.

Explosion Limits, Lower:Not available.

Upper: Not available.

NFPA Rating: (estimated) Health: 1; Flammability: 1; Instability: 0





               Section 6 - Accidental Release Measures







General Information: Use proper personal protective equipment as indicated in

Section 8.

Spills/Leaks: Clean up spills immediately, observing precautions in the Protective

Equipment section. Sweep up, then place into a suitable container for disposal. Avoid

generating dusty conditions. Provide ventilation.

                   Section 7 - Handling and Storage







Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize

dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid

ingestion and inhalation.

Storage: Store in a cool, dry, well-ventilated area away from incompatible

substances.





       Section 8 - Exposure Controls, Personal Protection







Engineering Controls: Facilities storing or utilizing this material should be equipped

with an eyewash facility and a safety shower. Use adequate ventilation to keep

airborne concentrations low.

Exposure Limits



  Chemical Name              ACGIH                NIOSH           OSHA - Final PELs

     Methyl Red      none listed                 none listed          none listed







OSHA Vacated PELs: Methyl Red: No OSHA Vacated PELs are listed for this

chemical.

Personal Protective Equipment

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as

described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or

European Standard EN166.

Skin: Wear appropriate protective gloves to prevent skin exposure.

Clothing: Wear appropriate protective clothing to minimize contact with skin.

Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or

European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149

approved respirator if exposure limits are exceeded or if irritation or other symptoms

are experienced.





           Section 9 - Physical and Chemical Properties







Physical State: Solid

Appearance: dark red to purple

Odor: none reported

pH: Not available.

Vapor Pressure: Negliglble.

Vapor Density: Not available.

Evaporation Rate:Negligible.

Viscosity: Not available.

Boiling Point: Not available.

Freezing/Melting Point:178-182 deg C

Decomposition Temperature:Not available.

Solubility: Insoluble in water.

Specific Gravity/Density:Not available.

Molecular Formula:C15H15N3O2

Molecular Weight:269.30





                 Section 10 - Stability and Reactivity







Chemical Stability: Stable under normal temperatures and pressures. Materials

containing similar functional groups can decompose at elevated temperatures.

Conditions to Avoid: Dust generation, excess heat.

Incompatibilities with Other Materials: Strong oxidizing agents.

Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon

dioxide.

Hazardous Polymerization: Has not been reported.





                Section 11 - Toxicological Information







RTECS#:

CAS# 493-52-7: DG8960000

LD50/LC50:

Not available.



Carcinogenicity:

CAS# 493-52-7: Not listed by ACGIH, IARC, NTP, or CA Prop 65.



Epidemiology: No information found

Teratogenicity: No information available.

Reproductive Effects: No information available.

Mutagenicity: See actual entry in RTECS for complete information.

Neurotoxicity: No information available.

Other Studies:





                  Section 12 - Ecological Information





No information available.

                 Section 13 - Disposal Considerations





Chemical waste generators must determine whether a discarded chemical is

classified as a hazardous waste. US EPA guidelines for the classification

determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must

consult state and local hazardous waste regulations to ensure complete and accurate

classification.

RCRA P-Series: None listed.

RCRA U-Series: None listed.





                  Section 14 - Transport Information







                             US DOT                          Canada TDG

Shipping Name:            Not Regulated                     Not Regulated

 Hazard Class:

 UN Number:

Packing Group:









                 Section 15 - Regulatory Information





US FEDERAL



TSCA

   CAS# 493-52-7 is listed on the TSCA inventory.

Health & Safety Reporting List

   None of the chemicals are on the Health & Safety Reporting List.

Chemical Test Rules

   None of the chemicals in this product are under a Chemical Test Rule.

Section 12b

   None of the chemicals are listed under TSCA Section 12b.

TSCA Significant New Use Rule

   None of the chemicals in this material have a SNUR under TSCA.

CERCLA Hazardous Substances and corresponding RQs

   None of the chemicals in this material have an RQ.

SARA Section 302 Extremely Hazardous Substances

   None of the chemicals in this product have a TPQ.

Section 313      No chemicals are reportable under Section 313.

Clean Air Act:

   This material does not contain any hazardous air pollutants.

   This material does not contain any Class 1 Ozone depletors.

   This material does not contain any Class 2 Ozone depletors.

Clean Water Act:

   None of the chemicals in this product are listed as Hazardous Substances under

the CWA.

   None of the chemicals in this product are listed as Priority Pollutants under the

CWA.

   None of the chemicals in this product are listed as Toxic Pollutants under the

CWA.

OSHA:

   None of the chemicals in this product are considered highly hazardous by OSHA.

STATE

   CAS# 493-52-7 is not present on state lists from CA, PA, MN, MA, FL, or NJ.



California Prop 65



California No Significant Risk Level: None of the chemicals in this product are listed.



European/International Regulations

European Labeling in Accordance with EC Directives

Hazard Symbols:

    Not available.

Risk Phrases:



Safety Phrases:

   S 24/25 Avoid contact with skin and eyes.



WGK (Water Danger/Protection)

   CAS# 493-52-7: 2

Canada - DSL/NDSL

   CAS# 493-52-7 is listed on Canada's DSL List.

Canada - WHMIS

   This product has a WHMIS classification of Not controlled..

This product has been classified in accordance with the hazard criteria of the

Controlled Products Regulations and the MSDS contains all of the information

required by those regulations.

Canadian Ingredient Disclosure List





                         Section 16 - Additional Information





MSDS Creation Date: 12/12/1997

Revision #7 Date: 1/18/2006

The information above is believed to be accurate and represents the best information currently available to us.

However, we make no warranty of merchantability or any other warranty, express or implied, with respect to

such information, and we assume no liability resulting from its use. Users should make their own investigations to

determine the suitability of the information for their particular purposes. In no event shall Fisher be liable for any

claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential

or exemplary damages, howsoever arising, even if Fisher has been advised of the possibility of such damages.